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1 /*!
2 * jQuery JavaScript Library v3.5.1
3 * https://jquery.com/
4 *
5 * Includes Sizzle.js
6 * https://sizzlejs.com/
7 *
8 * Copyright JS Foundation and other contributors
9 * Released under the MIT license
10 * https://jquery.org/license
11 *
12 * Date: 2020-05-04T22:49Z
13 */
14 ( function( global, factory ) {
15
16 "use strict";
17
18 if ( typeof module === "object" && typeof module.exports === "object" ) {
19
20 // For CommonJS and CommonJS-like environments where a proper `window`
21 // is present, execute the factory and get jQuery.
22 // For environments that do not have a `window` with a `document`
23 // (such as Node.js), expose a factory as module.exports.
24 // This accentuates the need for the creation of a real `window`.
25 // e.g. var jQuery = require("jquery")(window);
26 // See ticket #14549 for more info.
27 module.exports = global.document ?
28 factory( global, true ) :
29 function( w ) {
30 if ( !w.document ) {
31 throw new Error( "jQuery requires a window with a document" );
32 }
33 return factory( w );
34 };
35 } else {
36 factory( global );
37 }
38
39 // Pass this if window is not defined yet
40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
41
42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45 // enough that all such attempts are guarded in a try block.
46 "use strict";
47
48 var arr = [];
49
50 var getProto = Object.getPrototypeOf;
51
52 var slice = arr.slice;
53
54 var flat = arr.flat ? function( array ) {
55 return arr.flat.call( array );
56 } : function( array ) {
57 return arr.concat.apply( [], array );
58 };
59
60
61 var push = arr.push;
62
63 var indexOf = arr.indexOf;
64
65 var class2type = {};
66
67 var toString = class2type.toString;
68
69 var hasOwn = class2type.hasOwnProperty;
70
71 var fnToString = hasOwn.toString;
72
73 var ObjectFunctionString = fnToString.call( Object );
74
75 var support = {};
76
77 var isFunction = function isFunction( obj ) {
78
79 // Support: Chrome <=57, Firefox <=52
80 // In some browsers, typeof returns "function" for HTML <object> elements
81 // (i.e., `typeof document.createElement( "object" ) === "function"`).
82 // We don't want to classify *any* DOM node as a function.
83 return typeof obj === "function" && typeof obj.nodeType !== "number";
84 };
85
86
87 var isWindow = function isWindow( obj ) {
88 return obj != null && obj === obj.window;
89 };
90
91
92 var document = window.document;
93
94
95
96 var preservedScriptAttributes = {
97 type: true,
98 src: true,
99 nonce: true,
100 noModule: true
101 };
102
103 function DOMEval( code, node, doc ) {
104 doc = doc || document;
105
106 var i, val,
107 script = doc.createElement( "script" );
108
109 script.text = code;
110 if ( node ) {
111 for ( i in preservedScriptAttributes ) {
112
113 // Support: Firefox 64+, Edge 18+
114 // Some browsers don't support the "nonce" property on scripts.
115 // On the other hand, just using `getAttribute` is not enough as
116 // the `nonce` attribute is reset to an empty string whenever it
117 // becomes browsing-context connected.
118 // See https://github.com/whatwg/html/issues/2369
119 // See https://html.spec.whatwg.org/#nonce-attributes
120 // The `node.getAttribute` check was added for the sake of
121 // `jQuery.globalEval` so that it can fake a nonce-containing node
122 // via an object.
123 val = node[ i ] || node.getAttribute && node.getAttribute( i );
124 if ( val ) {
125 script.setAttribute( i, val );
126 }
127 }
128 }
129 doc.head.appendChild( script ).parentNode.removeChild( script );
130 }
131
132
133 function toType( obj ) {
134 if ( obj == null ) {
135 return obj + "";
136 }
137
138 // Support: Android <=2.3 only (functionish RegExp)
139 return typeof obj === "object" || typeof obj === "function" ?
140 class2type[ toString.call( obj ) ] || "object" :
141 typeof obj;
142 }
143 /* global Symbol */
144 // Defining this global in .eslintrc.json would create a danger of using the global
145 // unguarded in another place, it seems safer to define global only for this module
146
147
148
149 var
150 version = "3.5.1",
151
152 // Define a local copy of jQuery
153 jQuery = function( selector, context ) {
154
155 // The jQuery object is actually just the init constructor 'enhanced'
156 // Need init if jQuery is called (just allow error to be thrown if not included)
157 return new jQuery.fn.init( selector, context );
158 };
159
160 jQuery.fn = jQuery.prototype = {
161
162 // The current version of jQuery being used
163 jquery: version,
164
165 constructor: jQuery,
166
167 // The default length of a jQuery object is 0
168 length: 0,
169
170 toArray: function() {
171 return slice.call( this );
172 },
173
174 // Get the Nth element in the matched element set OR
175 // Get the whole matched element set as a clean array
176 get: function( num ) {
177
178 // Return all the elements in a clean array
179 if ( num == null ) {
180 return slice.call( this );
181 }
182
183 // Return just the one element from the set
184 return num < 0 ? this[ num + this.length ] : this[ num ];
185 },
186
187 // Take an array of elements and push it onto the stack
188 // (returning the new matched element set)
189 pushStack: function( elems ) {
190
191 // Build a new jQuery matched element set
192 var ret = jQuery.merge( this.constructor(), elems );
193
194 // Add the old object onto the stack (as a reference)
195 ret.prevObject = this;
196
197 // Return the newly-formed element set
198 return ret;
199 },
200
201 // Execute a callback for every element in the matched set.
202 each: function( callback ) {
203 return jQuery.each( this, callback );
204 },
205
206 map: function( callback ) {
207 return this.pushStack( jQuery.map( this, function( elem, i ) {
208 return callback.call( elem, i, elem );
209 } ) );
210 },
211
212 slice: function() {
213 return this.pushStack( slice.apply( this, arguments ) );
214 },
215
216 first: function() {
217 return this.eq( 0 );
218 },
219
220 last: function() {
221 return this.eq( -1 );
222 },
223
224 even: function() {
225 return this.pushStack( jQuery.grep( this, function( _elem, i ) {
226 return ( i + 1 ) % 2;
227 } ) );
228 },
229
230 odd: function() {
231 return this.pushStack( jQuery.grep( this, function( _elem, i ) {
232 return i % 2;
233 } ) );
234 },
235
236 eq: function( i ) {
237 var len = this.length,
238 j = +i + ( i < 0 ? len : 0 );
239 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
240 },
241
242 end: function() {
243 return this.prevObject || this.constructor();
244 },
245
246 // For internal use only.
247 // Behaves like an Array's method, not like a jQuery method.
248 push: push,
249 sort: arr.sort,
250 splice: arr.splice
251 };
252
253 jQuery.extend = jQuery.fn.extend = function() {
254 var options, name, src, copy, copyIsArray, clone,
255 target = arguments[ 0 ] || {},
256 i = 1,
257 length = arguments.length,
258 deep = false;
259
260 // Handle a deep copy situation
261 if ( typeof target === "boolean" ) {
262 deep = target;
263
264 // Skip the boolean and the target
265 target = arguments[ i ] || {};
266 i++;
267 }
268
269 // Handle case when target is a string or something (possible in deep copy)
270 if ( typeof target !== "object" && !isFunction( target ) ) {
271 target = {};
272 }
273
274 // Extend jQuery itself if only one argument is passed
275 if ( i === length ) {
276 target = this;
277 i--;
278 }
279
280 for ( ; i < length; i++ ) {
281
282 // Only deal with non-null/undefined values
283 if ( ( options = arguments[ i ] ) != null ) {
284
285 // Extend the base object
286 for ( name in options ) {
287 copy = options[ name ];
288
289 // Prevent Object.prototype pollution
290 // Prevent never-ending loop
291 if ( name === "__proto__" || target === copy ) {
292 continue;
293 }
294
295 // Recurse if we're merging plain objects or arrays
296 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
297 ( copyIsArray = Array.isArray( copy ) ) ) ) {
298 src = target[ name ];
299
300 // Ensure proper type for the source value
301 if ( copyIsArray && !Array.isArray( src ) ) {
302 clone = [];
303 } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
304 clone = {};
305 } else {
306 clone = src;
307 }
308 copyIsArray = false;
309
310 // Never move original objects, clone them
311 target[ name ] = jQuery.extend( deep, clone, copy );
312
313 // Don't bring in undefined values
314 } else if ( copy !== undefined ) {
315 target[ name ] = copy;
316 }
317 }
318 }
319 }
320
321 // Return the modified object
322 return target;
323 };
324
325 jQuery.extend( {
326
327 // Unique for each copy of jQuery on the page
328 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
329
330 // Assume jQuery is ready without the ready module
331 isReady: true,
332
333 error: function( msg ) {
334 throw new Error( msg );
335 },
336
337 noop: function() {},
338
339 isPlainObject: function( obj ) {
340 var proto, Ctor;
341
342 // Detect obvious negatives
343 // Use toString instead of jQuery.type to catch host objects
344 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
345 return false;
346 }
347
348 proto = getProto( obj );
349
350 // Objects with no prototype (e.g., `Object.create( null )`) are plain
351 if ( !proto ) {
352 return true;
353 }
354
355 // Objects with prototype are plain iff they were constructed by a global Object function
356 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
357 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
358 },
359
360 isEmptyObject: function( obj ) {
361 var name;
362
363 for ( name in obj ) {
364 return false;
365 }
366 return true;
367 },
368
369 // Evaluates a script in a provided context; falls back to the global one
370 // if not specified.
371 globalEval: function( code, options, doc ) {
372 DOMEval( code, { nonce: options && options.nonce }, doc );
373 },
374
375 each: function( obj, callback ) {
376 var length, i = 0;
377
378 if ( isArrayLike( obj ) ) {
379 length = obj.length;
380 for ( ; i < length; i++ ) {
381 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
382 break;
383 }
384 }
385 } else {
386 for ( i in obj ) {
387 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
388 break;
389 }
390 }
391 }
392
393 return obj;
394 },
395
396 // results is for internal usage only
397 makeArray: function( arr, results ) {
398 var ret = results || [];
399
400 if ( arr != null ) {
401 if ( isArrayLike( Object( arr ) ) ) {
402 jQuery.merge( ret,
403 typeof arr === "string" ?
404 [ arr ] : arr
405 );
406 } else {
407 push.call( ret, arr );
408 }
409 }
410
411 return ret;
412 },
413
414 inArray: function( elem, arr, i ) {
415 return arr == null ? -1 : indexOf.call( arr, elem, i );
416 },
417
418 // Support: Android <=4.0 only, PhantomJS 1 only
419 // push.apply(_, arraylike) throws on ancient WebKit
420 merge: function( first, second ) {
421 var len = +second.length,
422 j = 0,
423 i = first.length;
424
425 for ( ; j < len; j++ ) {
426 first[ i++ ] = second[ j ];
427 }
428
429 first.length = i;
430
431 return first;
432 },
433
434 grep: function( elems, callback, invert ) {
435 var callbackInverse,
436 matches = [],
437 i = 0,
438 length = elems.length,
439 callbackExpect = !invert;
440
441 // Go through the array, only saving the items
442 // that pass the validator function
443 for ( ; i < length; i++ ) {
444 callbackInverse = !callback( elems[ i ], i );
445 if ( callbackInverse !== callbackExpect ) {
446 matches.push( elems[ i ] );
447 }
448 }
449
450 return matches;
451 },
452
453 // arg is for internal usage only
454 map: function( elems, callback, arg ) {
455 var length, value,
456 i = 0,
457 ret = [];
458
459 // Go through the array, translating each of the items to their new values
460 if ( isArrayLike( elems ) ) {
461 length = elems.length;
462 for ( ; i < length; i++ ) {
463 value = callback( elems[ i ], i, arg );
464
465 if ( value != null ) {
466 ret.push( value );
467 }
468 }
469
470 // Go through every key on the object,
471 } else {
472 for ( i in elems ) {
473 value = callback( elems[ i ], i, arg );
474
475 if ( value != null ) {
476 ret.push( value );
477 }
478 }
479 }
480
481 // Flatten any nested arrays
482 return flat( ret );
483 },
484
485 // A global GUID counter for objects
486 guid: 1,
487
488 // jQuery.support is not used in Core but other projects attach their
489 // properties to it so it needs to exist.
490 support: support
491 } );
492
493 if ( typeof Symbol === "function" ) {
494 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
495 }
496
497 // Populate the class2type map
498 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
499 function( _i, name ) {
500 class2type[ "[object " + name + "]" ] = name.toLowerCase();
501 } );
502
503 function isArrayLike( obj ) {
504
505 // Support: real iOS 8.2 only (not reproducible in simulator)
506 // `in` check used to prevent JIT error (gh-2145)
507 // hasOwn isn't used here due to false negatives
508 // regarding Nodelist length in IE
509 var length = !!obj && "length" in obj && obj.length,
510 type = toType( obj );
511
512 if ( isFunction( obj ) || isWindow( obj ) ) {
513 return false;
514 }
515
516 return type === "array" || length === 0 ||
517 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
518 }
519 var Sizzle =
520 /*!
521 * Sizzle CSS Selector Engine v2.3.5
522 * https://sizzlejs.com/
523 *
524 * Copyright JS Foundation and other contributors
525 * Released under the MIT license
526 * https://js.foundation/
527 *
528 * Date: 2020-03-14
529 */
530 ( function( window ) {
531 var i,
532 support,
533 Expr,
534 getText,
535 isXML,
536 tokenize,
537 compile,
538 select,
539 outermostContext,
540 sortInput,
541 hasDuplicate,
542
543 // Local document vars
544 setDocument,
545 document,
546 docElem,
547 documentIsHTML,
548 rbuggyQSA,
549 rbuggyMatches,
550 matches,
551 contains,
552
553 // Instance-specific data
554 expando = "sizzle" + 1 * new Date(),
555 preferredDoc = window.document,
556 dirruns = 0,
557 done = 0,
558 classCache = createCache(),
559 tokenCache = createCache(),
560 compilerCache = createCache(),
561 nonnativeSelectorCache = createCache(),
562 sortOrder = function( a, b ) {
563 if ( a === b ) {
564 hasDuplicate = true;
565 }
566 return 0;
567 },
568
569 // Instance methods
570 hasOwn = ( {} ).hasOwnProperty,
571 arr = [],
572 pop = arr.pop,
573 pushNative = arr.push,
574 push = arr.push,
575 slice = arr.slice,
576
577 // Use a stripped-down indexOf as it's faster than native
578 // https://jsperf.com/thor-indexof-vs-for/5
579 indexOf = function( list, elem ) {
580 var i = 0,
581 len = list.length;
582 for ( ; i < len; i++ ) {
583 if ( list[ i ] === elem ) {
584 return i;
585 }
586 }
587 return -1;
588 },
589
590 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
591 "ismap|loop|multiple|open|readonly|required|scoped",
592
593 // Regular expressions
594
595 // http://www.w3.org/TR/css3-selectors/#whitespace
596 whitespace = "[\\x20\\t\\r\\n\\f]",
597
598 // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
599 identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
600 "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
601
602 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
603 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
604
605 // Operator (capture 2)
606 "*([*^$|!~]?=)" + whitespace +
607
608 // "Attribute values must be CSS identifiers [capture 5]
609 // or strings [capture 3 or capture 4]"
610 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
611 whitespace + "*\\]",
612
613 pseudos = ":(" + identifier + ")(?:\\((" +
614
615 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
616 // 1. quoted (capture 3; capture 4 or capture 5)
617 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
618
619 // 2. simple (capture 6)
620 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
621
622 // 3. anything else (capture 2)
623 ".*" +
624 ")\\)|)",
625
626 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
627 rwhitespace = new RegExp( whitespace + "+", "g" ),
628 rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
629 whitespace + "+$", "g" ),
630
631 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
632 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
633 "*" ),
634 rdescend = new RegExp( whitespace + "|>" ),
635
636 rpseudo = new RegExp( pseudos ),
637 ridentifier = new RegExp( "^" + identifier + "$" ),
638
639 matchExpr = {
640 "ID": new RegExp( "^#(" + identifier + ")" ),
641 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
642 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
643 "ATTR": new RegExp( "^" + attributes ),
644 "PSEUDO": new RegExp( "^" + pseudos ),
645 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
646 whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
647 whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
648 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
649
650 // For use in libraries implementing .is()
651 // We use this for POS matching in `select`
652 "needsContext": new RegExp( "^" + whitespace +
653 "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
654 "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
655 },
656
657 rhtml = /HTML$/i,
658 rinputs = /^(?:input|select|textarea|button)$/i,
659 rheader = /^h\d$/i,
660
661 rnative = /^[^{]+\{\s*\[native \w/,
662
663 // Easily-parseable/retrievable ID or TAG or CLASS selectors
664 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
665
666 rsibling = /[+~]/,
667
668 // CSS escapes
669 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
670 runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
671 funescape = function( escape, nonHex ) {
672 var high = "0x" + escape.slice( 1 ) - 0x10000;
673
674 return nonHex ?
675
676 // Strip the backslash prefix from a non-hex escape sequence
677 nonHex :
678
679 // Replace a hexadecimal escape sequence with the encoded Unicode code point
680 // Support: IE <=11+
681 // For values outside the Basic Multilingual Plane (BMP), manually construct a
682 // surrogate pair
683 high < 0 ?
684 String.fromCharCode( high + 0x10000 ) :
685 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
686 },
687
688 // CSS string/identifier serialization
689 // https://drafts.csswg.org/cssom/#common-serializing-idioms
690 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
691 fcssescape = function( ch, asCodePoint ) {
692 if ( asCodePoint ) {
693
694 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
695 if ( ch === "\0" ) {
696 return "\uFFFD";
697 }
698
699 // Control characters and (dependent upon position) numbers get escaped as code points
700 return ch.slice( 0, -1 ) + "\\" +
701 ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
702 }
703
704 // Other potentially-special ASCII characters get backslash-escaped
705 return "\\" + ch;
706 },
707
708 // Used for iframes
709 // See setDocument()
710 // Removing the function wrapper causes a "Permission Denied"
711 // error in IE
712 unloadHandler = function() {
713 setDocument();
714 },
715
716 inDisabledFieldset = addCombinator(
717 function( elem ) {
718 return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
719 },
720 { dir: "parentNode", next: "legend" }
721 );
722
723 // Optimize for push.apply( _, NodeList )
724 try {
725 push.apply(
726 ( arr = slice.call( preferredDoc.childNodes ) ),
727 preferredDoc.childNodes
728 );
729
730 // Support: Android<4.0
731 // Detect silently failing push.apply
732 // eslint-disable-next-line no-unused-expressions
733 arr[ preferredDoc.childNodes.length ].nodeType;
734 } catch ( e ) {
735 push = { apply: arr.length ?
736
737 // Leverage slice if possible
738 function( target, els ) {
739 pushNative.apply( target, slice.call( els ) );
740 } :
741
742 // Support: IE<9
743 // Otherwise append directly
744 function( target, els ) {
745 var j = target.length,
746 i = 0;
747
748 // Can't trust NodeList.length
749 while ( ( target[ j++ ] = els[ i++ ] ) ) {}
750 target.length = j - 1;
751 }
752 };
753 }
754
755 function Sizzle( selector, context, results, seed ) {
756 var m, i, elem, nid, match, groups, newSelector,
757 newContext = context && context.ownerDocument,
758
759 // nodeType defaults to 9, since context defaults to document
760 nodeType = context ? context.nodeType : 9;
761
762 results = results || [];
763
764 // Return early from calls with invalid selector or context
765 if ( typeof selector !== "string" || !selector ||
766 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
767
768 return results;
769 }
770
771 // Try to shortcut find operations (as opposed to filters) in HTML documents
772 if ( !seed ) {
773 setDocument( context );
774 context = context || document;
775
776 if ( documentIsHTML ) {
777
778 // If the selector is sufficiently simple, try using a "get*By*" DOM method
779 // (excepting DocumentFragment context, where the methods don't exist)
780 if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
781
782 // ID selector
783 if ( ( m = match[ 1 ] ) ) {
784
785 // Document context
786 if ( nodeType === 9 ) {
787 if ( ( elem = context.getElementById( m ) ) ) {
788
789 // Support: IE, Opera, Webkit
790 // TODO: identify versions
791 // getElementById can match elements by name instead of ID
792 if ( elem.id === m ) {
793 results.push( elem );
794 return results;
795 }
796 } else {
797 return results;
798 }
799
800 // Element context
801 } else {
802
803 // Support: IE, Opera, Webkit
804 // TODO: identify versions
805 // getElementById can match elements by name instead of ID
806 if ( newContext && ( elem = newContext.getElementById( m ) ) &&
807 contains( context, elem ) &&
808 elem.id === m ) {
809
810 results.push( elem );
811 return results;
812 }
813 }
814
815 // Type selector
816 } else if ( match[ 2 ] ) {
817 push.apply( results, context.getElementsByTagName( selector ) );
818 return results;
819
820 // Class selector
821 } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName &&
822 context.getElementsByClassName ) {
823
824 push.apply( results, context.getElementsByClassName( m ) );
825 return results;
826 }
827 }
828
829 // Take advantage of querySelectorAll
830 if ( support.qsa &&
831 !nonnativeSelectorCache[ selector + " " ] &&
832 ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
833
834 // Support: IE 8 only
835 // Exclude object elements
836 ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
837
838 newSelector = selector;
839 newContext = context;
840
841 // qSA considers elements outside a scoping root when evaluating child or
842 // descendant combinators, which is not what we want.
843 // In such cases, we work around the behavior by prefixing every selector in the
844 // list with an ID selector referencing the scope context.
845 // The technique has to be used as well when a leading combinator is used
846 // as such selectors are not recognized by querySelectorAll.
847 // Thanks to Andrew Dupont for this technique.
848 if ( nodeType === 1 &&
849 ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
850
851 // Expand context for sibling selectors
852 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
853 context;
854
855 // We can use :scope instead of the ID hack if the browser
856 // supports it & if we're not changing the context.
857 if ( newContext !== context || !support.scope ) {
858
859 // Capture the context ID, setting it first if necessary
860 if ( ( nid = context.getAttribute( "id" ) ) ) {
861 nid = nid.replace( rcssescape, fcssescape );
862 } else {
863 context.setAttribute( "id", ( nid = expando ) );
864 }
865 }
866
867 // Prefix every selector in the list
868 groups = tokenize( selector );
869 i = groups.length;
870 while ( i-- ) {
871 groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
872 toSelector( groups[ i ] );
873 }
874 newSelector = groups.join( "," );
875 }
876
877 try {
878 push.apply( results,
879 newContext.querySelectorAll( newSelector )
880 );
881 return results;
882 } catch ( qsaError ) {
883 nonnativeSelectorCache( selector, true );
884 } finally {
885 if ( nid === expando ) {
886 context.removeAttribute( "id" );
887 }
888 }
889 }
890 }
891 }
892
893 // All others
894 return select( selector.replace( rtrim, "$1" ), context, results, seed );
895 }
896
897 /**
898 * Create key-value caches of limited size
899 * @returns {function(string, object)} Returns the Object data after storing it on itself with
900 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
901 * deleting the oldest entry
902 */
903 function createCache() {
904 var keys = [];
905
906 function cache( key, value ) {
907
908 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
909 if ( keys.push( key + " " ) > Expr.cacheLength ) {
910
911 // Only keep the most recent entries
912 delete cache[ keys.shift() ];
913 }
914 return ( cache[ key + " " ] = value );
915 }
916 return cache;
917 }
918
919 /**
920 * Mark a function for special use by Sizzle
921 * @param {Function} fn The function to mark
922 */
923 function markFunction( fn ) {
924 fn[ expando ] = true;
925 return fn;
926 }
927
928 /**
929 * Support testing using an element
930 * @param {Function} fn Passed the created element and returns a boolean result
931 */
932 function assert( fn ) {
933 var el = document.createElement( "fieldset" );
934
935 try {
936 return !!fn( el );
937 } catch ( e ) {
938 return false;
939 } finally {
940
941 // Remove from its parent by default
942 if ( el.parentNode ) {
943 el.parentNode.removeChild( el );
944 }
945
946 // release memory in IE
947 el = null;
948 }
949 }
950
951 /**
952 * Adds the same handler for all of the specified attrs
953 * @param {String} attrs Pipe-separated list of attributes
954 * @param {Function} handler The method that will be applied
955 */
956 function addHandle( attrs, handler ) {
957 var arr = attrs.split( "|" ),
958 i = arr.length;
959
960 while ( i-- ) {
961 Expr.attrHandle[ arr[ i ] ] = handler;
962 }
963 }
964
965 /**
966 * Checks document order of two siblings
967 * @param {Element} a
968 * @param {Element} b
969 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
970 */
971 function siblingCheck( a, b ) {
972 var cur = b && a,
973 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
974 a.sourceIndex - b.sourceIndex;
975
976 // Use IE sourceIndex if available on both nodes
977 if ( diff ) {
978 return diff;
979 }
980
981 // Check if b follows a
982 if ( cur ) {
983 while ( ( cur = cur.nextSibling ) ) {
984 if ( cur === b ) {
985 return -1;
986 }
987 }
988 }
989
990 return a ? 1 : -1;
991 }
992
993 /**
994 * Returns a function to use in pseudos for input types
995 * @param {String} type
996 */
997 function createInputPseudo( type ) {
998 return function( elem ) {
999 var name = elem.nodeName.toLowerCase();
1000 return name === "input" && elem.type === type;
1001 };
1002 }
1003
1004 /**
1005 * Returns a function to use in pseudos for buttons
1006 * @param {String} type
1007 */
1008 function createButtonPseudo( type ) {
1009 return function( elem ) {
1010 var name = elem.nodeName.toLowerCase();
1011 return ( name === "input" || name === "button" ) && elem.type === type;
1012 };
1013 }
1014
1015 /**
1016 * Returns a function to use in pseudos for :enabled/:disabled
1017 * @param {Boolean} disabled true for :disabled; false for :enabled
1018 */
1019 function createDisabledPseudo( disabled ) {
1020
1021 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1022 return function( elem ) {
1023
1024 // Only certain elements can match :enabled or :disabled
1025 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
1026 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
1027 if ( "form" in elem ) {
1028
1029 // Check for inherited disabledness on relevant non-disabled elements:
1030 // * listed form-associated elements in a disabled fieldset
1031 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
1032 // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
1033 // * option elements in a disabled optgroup
1034 // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
1035 // All such elements have a "form" property.
1036 if ( elem.parentNode && elem.disabled === false ) {
1037
1038 // Option elements defer to a parent optgroup if present
1039 if ( "label" in elem ) {
1040 if ( "label" in elem.parentNode ) {
1041 return elem.parentNode.disabled === disabled;
1042 } else {
1043 return elem.disabled === disabled;
1044 }
1045 }
1046
1047 // Support: IE 6 - 11
1048 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1049 return elem.isDisabled === disabled ||
1050
1051 // Where there is no isDisabled, check manually
1052 /* jshint -W018 */
1053 elem.isDisabled !== !disabled &&
1054 inDisabledFieldset( elem ) === disabled;
1055 }
1056
1057 return elem.disabled === disabled;
1058
1059 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1060 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1061 // even exist on them, let alone have a boolean value.
1062 } else if ( "label" in elem ) {
1063 return elem.disabled === disabled;
1064 }
1065
1066 // Remaining elements are neither :enabled nor :disabled
1067 return false;
1068 };
1069 }
1070
1071 /**
1072 * Returns a function to use in pseudos for positionals
1073 * @param {Function} fn
1074 */
1075 function createPositionalPseudo( fn ) {
1076 return markFunction( function( argument ) {
1077 argument = +argument;
1078 return markFunction( function( seed, matches ) {
1079 var j,
1080 matchIndexes = fn( [], seed.length, argument ),
1081 i = matchIndexes.length;
1082
1083 // Match elements found at the specified indexes
1084 while ( i-- ) {
1085 if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
1086 seed[ j ] = !( matches[ j ] = seed[ j ] );
1087 }
1088 }
1089 } );
1090 } );
1091 }
1092
1093 /**
1094 * Checks a node for validity as a Sizzle context
1095 * @param {Element|Object=} context
1096 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1097 */
1098 function testContext( context ) {
1099 return context && typeof context.getElementsByTagName !== "undefined" && context;
1100 }
1101
1102 // Expose support vars for convenience
1103 support = Sizzle.support = {};
1104
1105 /**
1106 * Detects XML nodes
1107 * @param {Element|Object} elem An element or a document
1108 * @returns {Boolean} True iff elem is a non-HTML XML node
1109 */
1110 isXML = Sizzle.isXML = function( elem ) {
1111 var namespace = elem.namespaceURI,
1112 docElem = ( elem.ownerDocument || elem ).documentElement;
1113
1114 // Support: IE <=8
1115 // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1116 // https://bugs.jquery.com/ticket/4833
1117 return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1118 };
1119
1120 /**
1121 * Sets document-related variables once based on the current document
1122 * @param {Element|Object} [doc] An element or document object to use to set the document
1123 * @returns {Object} Returns the current document
1124 */
1125 setDocument = Sizzle.setDocument = function( node ) {
1126 var hasCompare, subWindow,
1127 doc = node ? node.ownerDocument || node : preferredDoc;
1128
1129 // Return early if doc is invalid or already selected
1130 // Support: IE 11+, Edge 17 - 18+
1131 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1132 // two documents; shallow comparisons work.
1133 // eslint-disable-next-line eqeqeq
1134 if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
1135 return document;
1136 }
1137
1138 // Update global variables
1139 document = doc;
1140 docElem = document.documentElement;
1141 documentIsHTML = !isXML( document );
1142
1143 // Support: IE 9 - 11+, Edge 12 - 18+
1144 // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1145 // Support: IE 11+, Edge 17 - 18+
1146 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1147 // two documents; shallow comparisons work.
1148 // eslint-disable-next-line eqeqeq
1149 if ( preferredDoc != document &&
1150 ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
1151
1152 // Support: IE 11, Edge
1153 if ( subWindow.addEventListener ) {
1154 subWindow.addEventListener( "unload", unloadHandler, false );
1155
1156 // Support: IE 9 - 10 only
1157 } else if ( subWindow.attachEvent ) {
1158 subWindow.attachEvent( "onunload", unloadHandler );
1159 }
1160 }
1161
1162 // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
1163 // Safari 4 - 5 only, Opera <=11.6 - 12.x only
1164 // IE/Edge & older browsers don't support the :scope pseudo-class.
1165 // Support: Safari 6.0 only
1166 // Safari 6.0 supports :scope but it's an alias of :root there.
1167 support.scope = assert( function( el ) {
1168 docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
1169 return typeof el.querySelectorAll !== "undefined" &&
1170 !el.querySelectorAll( ":scope fieldset div" ).length;
1171 } );
1172
1173 /* Attributes
1174 ---------------------------------------------------------------------- */
1175
1176 // Support: IE<8
1177 // Verify that getAttribute really returns attributes and not properties
1178 // (excepting IE8 booleans)
1179 support.attributes = assert( function( el ) {
1180 el.className = "i";
1181 return !el.getAttribute( "className" );
1182 } );
1183
1184 /* getElement(s)By*
1185 ---------------------------------------------------------------------- */
1186
1187 // Check if getElementsByTagName("*") returns only elements
1188 support.getElementsByTagName = assert( function( el ) {
1189 el.appendChild( document.createComment( "" ) );
1190 return !el.getElementsByTagName( "*" ).length;
1191 } );
1192
1193 // Support: IE<9
1194 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1195
1196 // Support: IE<10
1197 // Check if getElementById returns elements by name
1198 // The broken getElementById methods don't pick up programmatically-set names,
1199 // so use a roundabout getElementsByName test
1200 support.getById = assert( function( el ) {
1201 docElem.appendChild( el ).id = expando;
1202 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1203 } );
1204
1205 // ID filter and find
1206 if ( support.getById ) {
1207 Expr.filter[ "ID" ] = function( id ) {
1208 var attrId = id.replace( runescape, funescape );
1209 return function( elem ) {
1210 return elem.getAttribute( "id" ) === attrId;
1211 };
1212 };
1213 Expr.find[ "ID" ] = function( id, context ) {
1214 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1215 var elem = context.getElementById( id );
1216 return elem ? [ elem ] : [];
1217 }
1218 };
1219 } else {
1220 Expr.filter[ "ID" ] = function( id ) {
1221 var attrId = id.replace( runescape, funescape );
1222 return function( elem ) {
1223 var node = typeof elem.getAttributeNode !== "undefined" &&
1224 elem.getAttributeNode( "id" );
1225 return node && node.value === attrId;
1226 };
1227 };
1228
1229 // Support: IE 6 - 7 only
1230 // getElementById is not reliable as a find shortcut
1231 Expr.find[ "ID" ] = function( id, context ) {
1232 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1233 var node, i, elems,
1234 elem = context.getElementById( id );
1235
1236 if ( elem ) {
1237
1238 // Verify the id attribute
1239 node = elem.getAttributeNode( "id" );
1240 if ( node && node.value === id ) {
1241 return [ elem ];
1242 }
1243
1244 // Fall back on getElementsByName
1245 elems = context.getElementsByName( id );
1246 i = 0;
1247 while ( ( elem = elems[ i++ ] ) ) {
1248 node = elem.getAttributeNode( "id" );
1249 if ( node && node.value === id ) {
1250 return [ elem ];
1251 }
1252 }
1253 }
1254
1255 return [];
1256 }
1257 };
1258 }
1259
1260 // Tag
1261 Expr.find[ "TAG" ] = support.getElementsByTagName ?
1262 function( tag, context ) {
1263 if ( typeof context.getElementsByTagName !== "undefined" ) {
1264 return context.getElementsByTagName( tag );
1265
1266 // DocumentFragment nodes don't have gEBTN
1267 } else if ( support.qsa ) {
1268 return context.querySelectorAll( tag );
1269 }
1270 } :
1271
1272 function( tag, context ) {
1273 var elem,
1274 tmp = [],
1275 i = 0,
1276
1277 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1278 results = context.getElementsByTagName( tag );
1279
1280 // Filter out possible comments
1281 if ( tag === "*" ) {
1282 while ( ( elem = results[ i++ ] ) ) {
1283 if ( elem.nodeType === 1 ) {
1284 tmp.push( elem );
1285 }
1286 }
1287
1288 return tmp;
1289 }
1290 return results;
1291 };
1292
1293 // Class
1294 Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) {
1295 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1296 return context.getElementsByClassName( className );
1297 }
1298 };
1299
1300 /* QSA/matchesSelector
1301 ---------------------------------------------------------------------- */
1302
1303 // QSA and matchesSelector support
1304
1305 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1306 rbuggyMatches = [];
1307
1308 // qSa(:focus) reports false when true (Chrome 21)
1309 // We allow this because of a bug in IE8/9 that throws an error
1310 // whenever `document.activeElement` is accessed on an iframe
1311 // So, we allow :focus to pass through QSA all the time to avoid the IE error
1312 // See https://bugs.jquery.com/ticket/13378
1313 rbuggyQSA = [];
1314
1315 if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) {
1316
1317 // Build QSA regex
1318 // Regex strategy adopted from Diego Perini
1319 assert( function( el ) {
1320
1321 var input;
1322
1323 // Select is set to empty string on purpose
1324 // This is to test IE's treatment of not explicitly
1325 // setting a boolean content attribute,
1326 // since its presence should be enough
1327 // https://bugs.jquery.com/ticket/12359
1328 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1329 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1330 "<option selected=''></option></select>";
1331
1332 // Support: IE8, Opera 11-12.16
1333 // Nothing should be selected when empty strings follow ^= or $= or *=
1334 // The test attribute must be unknown in Opera but "safe" for WinRT
1335 // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1336 if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
1337 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1338 }
1339
1340 // Support: IE8
1341 // Boolean attributes and "value" are not treated correctly
1342 if ( !el.querySelectorAll( "[selected]" ).length ) {
1343 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1344 }
1345
1346 // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1347 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1348 rbuggyQSA.push( "~=" );
1349 }
1350
1351 // Support: IE 11+, Edge 15 - 18+
1352 // IE 11/Edge don't find elements on a `[name='']` query in some cases.
1353 // Adding a temporary attribute to the document before the selection works
1354 // around the issue.
1355 // Interestingly, IE 10 & older don't seem to have the issue.
1356 input = document.createElement( "input" );
1357 input.setAttribute( "name", "" );
1358 el.appendChild( input );
1359 if ( !el.querySelectorAll( "[name='']" ).length ) {
1360 rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
1361 whitespace + "*(?:''|\"\")" );
1362 }
1363
1364 // Webkit/Opera - :checked should return selected option elements
1365 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1366 // IE8 throws error here and will not see later tests
1367 if ( !el.querySelectorAll( ":checked" ).length ) {
1368 rbuggyQSA.push( ":checked" );
1369 }
1370
1371 // Support: Safari 8+, iOS 8+
1372 // https://bugs.webkit.org/show_bug.cgi?id=136851
1373 // In-page `selector#id sibling-combinator selector` fails
1374 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1375 rbuggyQSA.push( ".#.+[+~]" );
1376 }
1377
1378 // Support: Firefox <=3.6 - 5 only
1379 // Old Firefox doesn't throw on a badly-escaped identifier.
1380 el.querySelectorAll( "\\\f" );
1381 rbuggyQSA.push( "[\\r\\n\\f]" );
1382 } );
1383
1384 assert( function( el ) {
1385 el.innerHTML = "<a href='' disabled='disabled'></a>" +
1386 "<select disabled='disabled'><option/></select>";
1387
1388 // Support: Windows 8 Native Apps
1389 // The type and name attributes are restricted during .innerHTML assignment
1390 var input = document.createElement( "input" );
1391 input.setAttribute( "type", "hidden" );
1392 el.appendChild( input ).setAttribute( "name", "D" );
1393
1394 // Support: IE8
1395 // Enforce case-sensitivity of name attribute
1396 if ( el.querySelectorAll( "[name=d]" ).length ) {
1397 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1398 }
1399
1400 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1401 // IE8 throws error here and will not see later tests
1402 if ( el.querySelectorAll( ":enabled" ).length !== 2 ) {
1403 rbuggyQSA.push( ":enabled", ":disabled" );
1404 }
1405
1406 // Support: IE9-11+
1407 // IE's :disabled selector does not pick up the children of disabled fieldsets
1408 docElem.appendChild( el ).disabled = true;
1409 if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
1410 rbuggyQSA.push( ":enabled", ":disabled" );
1411 }
1412
1413 // Support: Opera 10 - 11 only
1414 // Opera 10-11 does not throw on post-comma invalid pseudos
1415 el.querySelectorAll( "*,:x" );
1416 rbuggyQSA.push( ",.*:" );
1417 } );
1418 }
1419
1420 if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches ||
1421 docElem.webkitMatchesSelector ||
1422 docElem.mozMatchesSelector ||
1423 docElem.oMatchesSelector ||
1424 docElem.msMatchesSelector ) ) ) ) {
1425
1426 assert( function( el ) {
1427
1428 // Check to see if it's possible to do matchesSelector
1429 // on a disconnected node (IE 9)
1430 support.disconnectedMatch = matches.call( el, "*" );
1431
1432 // This should fail with an exception
1433 // Gecko does not error, returns false instead
1434 matches.call( el, "[s!='']:x" );
1435 rbuggyMatches.push( "!=", pseudos );
1436 } );
1437 }
1438
1439 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
1440 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) );
1441
1442 /* Contains
1443 ---------------------------------------------------------------------- */
1444 hasCompare = rnative.test( docElem.compareDocumentPosition );
1445
1446 // Element contains another
1447 // Purposefully self-exclusive
1448 // As in, an element does not contain itself
1449 contains = hasCompare || rnative.test( docElem.contains ) ?
1450 function( a, b ) {
1451 var adown = a.nodeType === 9 ? a.documentElement : a,
1452 bup = b && b.parentNode;
1453 return a === bup || !!( bup && bup.nodeType === 1 && (
1454 adown.contains ?
1455 adown.contains( bup ) :
1456 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1457 ) );
1458 } :
1459 function( a, b ) {
1460 if ( b ) {
1461 while ( ( b = b.parentNode ) ) {
1462 if ( b === a ) {
1463 return true;
1464 }
1465 }
1466 }
1467 return false;
1468 };
1469
1470 /* Sorting
1471 ---------------------------------------------------------------------- */
1472
1473 // Document order sorting
1474 sortOrder = hasCompare ?
1475 function( a, b ) {
1476
1477 // Flag for duplicate removal
1478 if ( a === b ) {
1479 hasDuplicate = true;
1480 return 0;
1481 }
1482
1483 // Sort on method existence if only one input has compareDocumentPosition
1484 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1485 if ( compare ) {
1486 return compare;
1487 }
1488
1489 // Calculate position if both inputs belong to the same document
1490 // Support: IE 11+, Edge 17 - 18+
1491 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1492 // two documents; shallow comparisons work.
1493 // eslint-disable-next-line eqeqeq
1494 compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
1495 a.compareDocumentPosition( b ) :
1496
1497 // Otherwise we know they are disconnected
1498 1;
1499
1500 // Disconnected nodes
1501 if ( compare & 1 ||
1502 ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
1503
1504 // Choose the first element that is related to our preferred document
1505 // Support: IE 11+, Edge 17 - 18+
1506 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1507 // two documents; shallow comparisons work.
1508 // eslint-disable-next-line eqeqeq
1509 if ( a == document || a.ownerDocument == preferredDoc &&
1510 contains( preferredDoc, a ) ) {
1511 return -1;
1512 }
1513
1514 // Support: IE 11+, Edge 17 - 18+
1515 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1516 // two documents; shallow comparisons work.
1517 // eslint-disable-next-line eqeqeq
1518 if ( b == document || b.ownerDocument == preferredDoc &&
1519 contains( preferredDoc, b ) ) {
1520 return 1;
1521 }
1522
1523 // Maintain original order
1524 return sortInput ?
1525 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1526 0;
1527 }
1528
1529 return compare & 4 ? -1 : 1;
1530 } :
1531 function( a, b ) {
1532
1533 // Exit early if the nodes are identical
1534 if ( a === b ) {
1535 hasDuplicate = true;
1536 return 0;
1537 }
1538
1539 var cur,
1540 i = 0,
1541 aup = a.parentNode,
1542 bup = b.parentNode,
1543 ap = [ a ],
1544 bp = [ b ];
1545
1546 // Parentless nodes are either documents or disconnected
1547 if ( !aup || !bup ) {
1548
1549 // Support: IE 11+, Edge 17 - 18+
1550 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1551 // two documents; shallow comparisons work.
1552 /* eslint-disable eqeqeq */
1553 return a == document ? -1 :
1554 b == document ? 1 :
1555 /* eslint-enable eqeqeq */
1556 aup ? -1 :
1557 bup ? 1 :
1558 sortInput ?
1559 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1560 0;
1561
1562 // If the nodes are siblings, we can do a quick check
1563 } else if ( aup === bup ) {
1564 return siblingCheck( a, b );
1565 }
1566
1567 // Otherwise we need full lists of their ancestors for comparison
1568 cur = a;
1569 while ( ( cur = cur.parentNode ) ) {
1570 ap.unshift( cur );
1571 }
1572 cur = b;
1573 while ( ( cur = cur.parentNode ) ) {
1574 bp.unshift( cur );
1575 }
1576
1577 // Walk down the tree looking for a discrepancy
1578 while ( ap[ i ] === bp[ i ] ) {
1579 i++;
1580 }
1581
1582 return i ?
1583
1584 // Do a sibling check if the nodes have a common ancestor
1585 siblingCheck( ap[ i ], bp[ i ] ) :
1586
1587 // Otherwise nodes in our document sort first
1588 // Support: IE 11+, Edge 17 - 18+
1589 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1590 // two documents; shallow comparisons work.
1591 /* eslint-disable eqeqeq */
1592 ap[ i ] == preferredDoc ? -1 :
1593 bp[ i ] == preferredDoc ? 1 :
1594 /* eslint-enable eqeqeq */
1595 0;
1596 };
1597
1598 return document;
1599 };
1600
1601 Sizzle.matches = function( expr, elements ) {
1602 return Sizzle( expr, null, null, elements );
1603 };
1604
1605 Sizzle.matchesSelector = function( elem, expr ) {
1606 setDocument( elem );
1607
1608 if ( support.matchesSelector && documentIsHTML &&
1609 !nonnativeSelectorCache[ expr + " " ] &&
1610 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1611 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1612
1613 try {
1614 var ret = matches.call( elem, expr );
1615
1616 // IE 9's matchesSelector returns false on disconnected nodes
1617 if ( ret || support.disconnectedMatch ||
1618
1619 // As well, disconnected nodes are said to be in a document
1620 // fragment in IE 9
1621 elem.document && elem.document.nodeType !== 11 ) {
1622 return ret;
1623 }
1624 } catch ( e ) {
1625 nonnativeSelectorCache( expr, true );
1626 }
1627 }
1628
1629 return Sizzle( expr, document, null, [ elem ] ).length > 0;
1630 };
1631
1632 Sizzle.contains = function( context, elem ) {
1633
1634 // Set document vars if needed
1635 // Support: IE 11+, Edge 17 - 18+
1636 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1637 // two documents; shallow comparisons work.
1638 // eslint-disable-next-line eqeqeq
1639 if ( ( context.ownerDocument || context ) != document ) {
1640 setDocument( context );
1641 }
1642 return contains( context, elem );
1643 };
1644
1645 Sizzle.attr = function( elem, name ) {
1646
1647 // Set document vars if needed
1648 // Support: IE 11+, Edge 17 - 18+
1649 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1650 // two documents; shallow comparisons work.
1651 // eslint-disable-next-line eqeqeq
1652 if ( ( elem.ownerDocument || elem ) != document ) {
1653 setDocument( elem );
1654 }
1655
1656 var fn = Expr.attrHandle[ name.toLowerCase() ],
1657
1658 // Don't get fooled by Object.prototype properties (jQuery #13807)
1659 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1660 fn( elem, name, !documentIsHTML ) :
1661 undefined;
1662
1663 return val !== undefined ?
1664 val :
1665 support.attributes || !documentIsHTML ?
1666 elem.getAttribute( name ) :
1667 ( val = elem.getAttributeNode( name ) ) && val.specified ?
1668 val.value :
1669 null;
1670 };
1671
1672 Sizzle.escape = function( sel ) {
1673 return ( sel + "" ).replace( rcssescape, fcssescape );
1674 };
1675
1676 Sizzle.error = function( msg ) {
1677 throw new Error( "Syntax error, unrecognized expression: " + msg );
1678 };
1679
1680 /**
1681 * Document sorting and removing duplicates
1682 * @param {ArrayLike} results
1683 */
1684 Sizzle.uniqueSort = function( results ) {
1685 var elem,
1686 duplicates = [],
1687 j = 0,
1688 i = 0;
1689
1690 // Unless we *know* we can detect duplicates, assume their presence
1691 hasDuplicate = !support.detectDuplicates;
1692 sortInput = !support.sortStable && results.slice( 0 );
1693 results.sort( sortOrder );
1694
1695 if ( hasDuplicate ) {
1696 while ( ( elem = results[ i++ ] ) ) {
1697 if ( elem === results[ i ] ) {
1698 j = duplicates.push( i );
1699 }
1700 }
1701 while ( j-- ) {
1702 results.splice( duplicates[ j ], 1 );
1703 }
1704 }
1705
1706 // Clear input after sorting to release objects
1707 // See https://github.com/jquery/sizzle/pull/225
1708 sortInput = null;
1709
1710 return results;
1711 };
1712
1713 /**
1714 * Utility function for retrieving the text value of an array of DOM nodes
1715 * @param {Array|Element} elem
1716 */
1717 getText = Sizzle.getText = function( elem ) {
1718 var node,
1719 ret = "",
1720 i = 0,
1721 nodeType = elem.nodeType;
1722
1723 if ( !nodeType ) {
1724
1725 // If no nodeType, this is expected to be an array
1726 while ( ( node = elem[ i++ ] ) ) {
1727
1728 // Do not traverse comment nodes
1729 ret += getText( node );
1730 }
1731 } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1732
1733 // Use textContent for elements
1734 // innerText usage removed for consistency of new lines (jQuery #11153)
1735 if ( typeof elem.textContent === "string" ) {
1736 return elem.textContent;
1737 } else {
1738
1739 // Traverse its children
1740 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1741 ret += getText( elem );
1742 }
1743 }
1744 } else if ( nodeType === 3 || nodeType === 4 ) {
1745 return elem.nodeValue;
1746 }
1747
1748 // Do not include comment or processing instruction nodes
1749
1750 return ret;
1751 };
1752
1753 Expr = Sizzle.selectors = {
1754
1755 // Can be adjusted by the user
1756 cacheLength: 50,
1757
1758 createPseudo: markFunction,
1759
1760 match: matchExpr,
1761
1762 attrHandle: {},
1763
1764 find: {},
1765
1766 relative: {
1767 ">": { dir: "parentNode", first: true },
1768 " ": { dir: "parentNode" },
1769 "+": { dir: "previousSibling", first: true },
1770 "~": { dir: "previousSibling" }
1771 },
1772
1773 preFilter: {
1774 "ATTR": function( match ) {
1775 match[ 1 ] = match[ 1 ].replace( runescape, funescape );
1776
1777 // Move the given value to match[3] whether quoted or unquoted
1778 match[ 3 ] = ( match[ 3 ] || match[ 4 ] ||
1779 match[ 5 ] || "" ).replace( runescape, funescape );
1780
1781 if ( match[ 2 ] === "~=" ) {
1782 match[ 3 ] = " " + match[ 3 ] + " ";
1783 }
1784
1785 return match.slice( 0, 4 );
1786 },
1787
1788 "CHILD": function( match ) {
1789
1790 /* matches from matchExpr["CHILD"]
1791 1 type (only|nth|...)
1792 2 what (child|of-type)
1793 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1794 4 xn-component of xn+y argument ([+-]?\d*n|)
1795 5 sign of xn-component
1796 6 x of xn-component
1797 7 sign of y-component
1798 8 y of y-component
1799 */
1800 match[ 1 ] = match[ 1 ].toLowerCase();
1801
1802 if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
1803
1804 // nth-* requires argument
1805 if ( !match[ 3 ] ) {
1806 Sizzle.error( match[ 0 ] );
1807 }
1808
1809 // numeric x and y parameters for Expr.filter.CHILD
1810 // remember that false/true cast respectively to 0/1
1811 match[ 4 ] = +( match[ 4 ] ?
1812 match[ 5 ] + ( match[ 6 ] || 1 ) :
1813 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) );
1814 match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
1815
1816 // other types prohibit arguments
1817 } else if ( match[ 3 ] ) {
1818 Sizzle.error( match[ 0 ] );
1819 }
1820
1821 return match;
1822 },
1823
1824 "PSEUDO": function( match ) {
1825 var excess,
1826 unquoted = !match[ 6 ] && match[ 2 ];
1827
1828 if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
1829 return null;
1830 }
1831
1832 // Accept quoted arguments as-is
1833 if ( match[ 3 ] ) {
1834 match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
1835
1836 // Strip excess characters from unquoted arguments
1837 } else if ( unquoted && rpseudo.test( unquoted ) &&
1838
1839 // Get excess from tokenize (recursively)
1840 ( excess = tokenize( unquoted, true ) ) &&
1841
1842 // advance to the next closing parenthesis
1843 ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
1844
1845 // excess is a negative index
1846 match[ 0 ] = match[ 0 ].slice( 0, excess );
1847 match[ 2 ] = unquoted.slice( 0, excess );
1848 }
1849
1850 // Return only captures needed by the pseudo filter method (type and argument)
1851 return match.slice( 0, 3 );
1852 }
1853 },
1854
1855 filter: {
1856
1857 "TAG": function( nodeNameSelector ) {
1858 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1859 return nodeNameSelector === "*" ?
1860 function() {
1861 return true;
1862 } :
1863 function( elem ) {
1864 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1865 };
1866 },
1867
1868 "CLASS": function( className ) {
1869 var pattern = classCache[ className + " " ];
1870
1871 return pattern ||
1872 ( pattern = new RegExp( "(^|" + whitespace +
1873 ")" + className + "(" + whitespace + "|$)" ) ) && classCache(
1874 className, function( elem ) {
1875 return pattern.test(
1876 typeof elem.className === "string" && elem.className ||
1877 typeof elem.getAttribute !== "undefined" &&
1878 elem.getAttribute( "class" ) ||
1879 ""
1880 );
1881 } );
1882 },
1883
1884 "ATTR": function( name, operator, check ) {
1885 return function( elem ) {
1886 var result = Sizzle.attr( elem, name );
1887
1888 if ( result == null ) {
1889 return operator === "!=";
1890 }
1891 if ( !operator ) {
1892 return true;
1893 }
1894
1895 result += "";
1896
1897 /* eslint-disable max-len */
1898
1899 return operator === "=" ? result === check :
1900 operator === "!=" ? result !== check :
1901 operator === "^=" ? check && result.indexOf( check ) === 0 :
1902 operator === "*=" ? check && result.indexOf( check ) > -1 :
1903 operator === "$=" ? check && result.slice( -check.length ) === check :
1904 operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1905 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1906 false;
1907 /* eslint-enable max-len */
1908
1909 };
1910 },
1911
1912 "CHILD": function( type, what, _argument, first, last ) {
1913 var simple = type.slice( 0, 3 ) !== "nth",
1914 forward = type.slice( -4 ) !== "last",
1915 ofType = what === "of-type";
1916
1917 return first === 1 && last === 0 ?
1918
1919 // Shortcut for :nth-*(n)
1920 function( elem ) {
1921 return !!elem.parentNode;
1922 } :
1923
1924 function( elem, _context, xml ) {
1925 var cache, uniqueCache, outerCache, node, nodeIndex, start,
1926 dir = simple !== forward ? "nextSibling" : "previousSibling",
1927 parent = elem.parentNode,
1928 name = ofType && elem.nodeName.toLowerCase(),
1929 useCache = !xml && !ofType,
1930 diff = false;
1931
1932 if ( parent ) {
1933
1934 // :(first|last|only)-(child|of-type)
1935 if ( simple ) {
1936 while ( dir ) {
1937 node = elem;
1938 while ( ( node = node[ dir ] ) ) {
1939 if ( ofType ?
1940 node.nodeName.toLowerCase() === name :
1941 node.nodeType === 1 ) {
1942
1943 return false;
1944 }
1945 }
1946
1947 // Reverse direction for :only-* (if we haven't yet done so)
1948 start = dir = type === "only" && !start && "nextSibling";
1949 }
1950 return true;
1951 }
1952
1953 start = [ forward ? parent.firstChild : parent.lastChild ];
1954
1955 // non-xml :nth-child(...) stores cache data on `parent`
1956 if ( forward && useCache ) {
1957
1958 // Seek `elem` from a previously-cached index
1959
1960 // ...in a gzip-friendly way
1961 node = parent;
1962 outerCache = node[ expando ] || ( node[ expando ] = {} );
1963
1964 // Support: IE <9 only
1965 // Defend against cloned attroperties (jQuery gh-1709)
1966 uniqueCache = outerCache[ node.uniqueID ] ||
1967 ( outerCache[ node.uniqueID ] = {} );
1968
1969 cache = uniqueCache[ type ] || [];
1970 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1971 diff = nodeIndex && cache[ 2 ];
1972 node = nodeIndex && parent.childNodes[ nodeIndex ];
1973
1974 while ( ( node = ++nodeIndex && node && node[ dir ] ||
1975
1976 // Fallback to seeking `elem` from the start
1977 ( diff = nodeIndex = 0 ) || start.pop() ) ) {
1978
1979 // When found, cache indexes on `parent` and break
1980 if ( node.nodeType === 1 && ++diff && node === elem ) {
1981 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1982 break;
1983 }
1984 }
1985
1986 } else {
1987
1988 // Use previously-cached element index if available
1989 if ( useCache ) {
1990
1991 // ...in a gzip-friendly way
1992 node = elem;
1993 outerCache = node[ expando ] || ( node[ expando ] = {} );
1994
1995 // Support: IE <9 only
1996 // Defend against cloned attroperties (jQuery gh-1709)
1997 uniqueCache = outerCache[ node.uniqueID ] ||
1998 ( outerCache[ node.uniqueID ] = {} );
1999
2000 cache = uniqueCache[ type ] || [];
2001 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
2002 diff = nodeIndex;
2003 }
2004
2005 // xml :nth-child(...)
2006 // or :nth-last-child(...) or :nth(-last)?-of-type(...)
2007 if ( diff === false ) {
2008
2009 // Use the same loop as above to seek `elem` from the start
2010 while ( ( node = ++nodeIndex && node && node[ dir ] ||
2011 ( diff = nodeIndex = 0 ) || start.pop() ) ) {
2012
2013 if ( ( ofType ?
2014 node.nodeName.toLowerCase() === name :
2015 node.nodeType === 1 ) &&
2016 ++diff ) {
2017
2018 // Cache the index of each encountered element
2019 if ( useCache ) {
2020 outerCache = node[ expando ] ||
2021 ( node[ expando ] = {} );
2022
2023 // Support: IE <9 only
2024 // Defend against cloned attroperties (jQuery gh-1709)
2025 uniqueCache = outerCache[ node.uniqueID ] ||
2026 ( outerCache[ node.uniqueID ] = {} );
2027
2028 uniqueCache[ type ] = [ dirruns, diff ];
2029 }
2030
2031 if ( node === elem ) {
2032 break;
2033 }
2034 }
2035 }
2036 }
2037 }
2038
2039 // Incorporate the offset, then check against cycle size
2040 diff -= last;
2041 return diff === first || ( diff % first === 0 && diff / first >= 0 );
2042 }
2043 };
2044 },
2045
2046 "PSEUDO": function( pseudo, argument ) {
2047
2048 // pseudo-class names are case-insensitive
2049 // http://www.w3.org/TR/selectors/#pseudo-classes
2050 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
2051 // Remember that setFilters inherits from pseudos
2052 var args,
2053 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
2054 Sizzle.error( "unsupported pseudo: " + pseudo );
2055
2056 // The user may use createPseudo to indicate that
2057 // arguments are needed to create the filter function
2058 // just as Sizzle does
2059 if ( fn[ expando ] ) {
2060 return fn( argument );
2061 }
2062
2063 // But maintain support for old signatures
2064 if ( fn.length > 1 ) {
2065 args = [ pseudo, pseudo, "", argument ];
2066 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
2067 markFunction( function( seed, matches ) {
2068 var idx,
2069 matched = fn( seed, argument ),
2070 i = matched.length;
2071 while ( i-- ) {
2072 idx = indexOf( seed, matched[ i ] );
2073 seed[ idx ] = !( matches[ idx ] = matched[ i ] );
2074 }
2075 } ) :
2076 function( elem ) {
2077 return fn( elem, 0, args );
2078 };
2079 }
2080
2081 return fn;
2082 }
2083 },
2084
2085 pseudos: {
2086
2087 // Potentially complex pseudos
2088 "not": markFunction( function( selector ) {
2089
2090 // Trim the selector passed to compile
2091 // to avoid treating leading and trailing
2092 // spaces as combinators
2093 var input = [],
2094 results = [],
2095 matcher = compile( selector.replace( rtrim, "$1" ) );
2096
2097 return matcher[ expando ] ?
2098 markFunction( function( seed, matches, _context, xml ) {
2099 var elem,
2100 unmatched = matcher( seed, null, xml, [] ),
2101 i = seed.length;
2102
2103 // Match elements unmatched by `matcher`
2104 while ( i-- ) {
2105 if ( ( elem = unmatched[ i ] ) ) {
2106 seed[ i ] = !( matches[ i ] = elem );
2107 }
2108 }
2109 } ) :
2110 function( elem, _context, xml ) {
2111 input[ 0 ] = elem;
2112 matcher( input, null, xml, results );
2113
2114 // Don't keep the element (issue #299)
2115 input[ 0 ] = null;
2116 return !results.pop();
2117 };
2118 } ),
2119
2120 "has": markFunction( function( selector ) {
2121 return function( elem ) {
2122 return Sizzle( selector, elem ).length > 0;
2123 };
2124 } ),
2125
2126 "contains": markFunction( function( text ) {
2127 text = text.replace( runescape, funescape );
2128 return function( elem ) {
2129 return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
2130 };
2131 } ),
2132
2133 // "Whether an element is represented by a :lang() selector
2134 // is based solely on the element's language value
2135 // being equal to the identifier C,
2136 // or beginning with the identifier C immediately followed by "-".
2137 // The matching of C against the element's language value is performed case-insensitively.
2138 // The identifier C does not have to be a valid language name."
2139 // http://www.w3.org/TR/selectors/#lang-pseudo
2140 "lang": markFunction( function( lang ) {
2141
2142 // lang value must be a valid identifier
2143 if ( !ridentifier.test( lang || "" ) ) {
2144 Sizzle.error( "unsupported lang: " + lang );
2145 }
2146 lang = lang.replace( runescape, funescape ).toLowerCase();
2147 return function( elem ) {
2148 var elemLang;
2149 do {
2150 if ( ( elemLang = documentIsHTML ?
2151 elem.lang :
2152 elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
2153
2154 elemLang = elemLang.toLowerCase();
2155 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2156 }
2157 } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
2158 return false;
2159 };
2160 } ),
2161
2162 // Miscellaneous
2163 "target": function( elem ) {
2164 var hash = window.location && window.location.hash;
2165 return hash && hash.slice( 1 ) === elem.id;
2166 },
2167
2168 "root": function( elem ) {
2169 return elem === docElem;
2170 },
2171
2172 "focus": function( elem ) {
2173 return elem === document.activeElement &&
2174 ( !document.hasFocus || document.hasFocus() ) &&
2175 !!( elem.type || elem.href || ~elem.tabIndex );
2176 },
2177
2178 // Boolean properties
2179 "enabled": createDisabledPseudo( false ),
2180 "disabled": createDisabledPseudo( true ),
2181
2182 "checked": function( elem ) {
2183
2184 // In CSS3, :checked should return both checked and selected elements
2185 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2186 var nodeName = elem.nodeName.toLowerCase();
2187 return ( nodeName === "input" && !!elem.checked ) ||
2188 ( nodeName === "option" && !!elem.selected );
2189 },
2190
2191 "selected": function( elem ) {
2192
2193 // Accessing this property makes selected-by-default
2194 // options in Safari work properly
2195 if ( elem.parentNode ) {
2196 // eslint-disable-next-line no-unused-expressions
2197 elem.parentNode.selectedIndex;
2198 }
2199
2200 return elem.selected === true;
2201 },
2202
2203 // Contents
2204 "empty": function( elem ) {
2205
2206 // http://www.w3.org/TR/selectors/#empty-pseudo
2207 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2208 // but not by others (comment: 8; processing instruction: 7; etc.)
2209 // nodeType < 6 works because attributes (2) do not appear as children
2210 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2211 if ( elem.nodeType < 6 ) {
2212 return false;
2213 }
2214 }
2215 return true;
2216 },
2217
2218 "parent": function( elem ) {
2219 return !Expr.pseudos[ "empty" ]( elem );
2220 },
2221
2222 // Element/input types
2223 "header": function( elem ) {
2224 return rheader.test( elem.nodeName );
2225 },
2226
2227 "input": function( elem ) {
2228 return rinputs.test( elem.nodeName );
2229 },
2230
2231 "button": function( elem ) {
2232 var name = elem.nodeName.toLowerCase();
2233 return name === "input" && elem.type === "button" || name === "button";
2234 },
2235
2236 "text": function( elem ) {
2237 var attr;
2238 return elem.nodeName.toLowerCase() === "input" &&
2239 elem.type === "text" &&
2240
2241 // Support: IE<8
2242 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2243 ( ( attr = elem.getAttribute( "type" ) ) == null ||
2244 attr.toLowerCase() === "text" );
2245 },
2246
2247 // Position-in-collection
2248 "first": createPositionalPseudo( function() {
2249 return [ 0 ];
2250 } ),
2251
2252 "last": createPositionalPseudo( function( _matchIndexes, length ) {
2253 return [ length - 1 ];
2254 } ),
2255
2256 "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
2257 return [ argument < 0 ? argument + length : argument ];
2258 } ),
2259
2260 "even": createPositionalPseudo( function( matchIndexes, length ) {
2261 var i = 0;
2262 for ( ; i < length; i += 2 ) {
2263 matchIndexes.push( i );
2264 }
2265 return matchIndexes;
2266 } ),
2267
2268 "odd": createPositionalPseudo( function( matchIndexes, length ) {
2269 var i = 1;
2270 for ( ; i < length; i += 2 ) {
2271 matchIndexes.push( i );
2272 }
2273 return matchIndexes;
2274 } ),
2275
2276 "lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2277 var i = argument < 0 ?
2278 argument + length :
2279 argument > length ?
2280 length :
2281 argument;
2282 for ( ; --i >= 0; ) {
2283 matchIndexes.push( i );
2284 }
2285 return matchIndexes;
2286 } ),
2287
2288 "gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2289 var i = argument < 0 ? argument + length : argument;
2290 for ( ; ++i < length; ) {
2291 matchIndexes.push( i );
2292 }
2293 return matchIndexes;
2294 } )
2295 }
2296 };
2297
2298 Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ];
2299
2300 // Add button/input type pseudos
2301 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2302 Expr.pseudos[ i ] = createInputPseudo( i );
2303 }
2304 for ( i in { submit: true, reset: true } ) {
2305 Expr.pseudos[ i ] = createButtonPseudo( i );
2306 }
2307
2308 // Easy API for creating new setFilters
2309 function setFilters() {}
2310 setFilters.prototype = Expr.filters = Expr.pseudos;
2311 Expr.setFilters = new setFilters();
2312
2313 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2314 var matched, match, tokens, type,
2315 soFar, groups, preFilters,
2316 cached = tokenCache[ selector + " " ];
2317
2318 if ( cached ) {
2319 return parseOnly ? 0 : cached.slice( 0 );
2320 }
2321
2322 soFar = selector;
2323 groups = [];
2324 preFilters = Expr.preFilter;
2325
2326 while ( soFar ) {
2327
2328 // Comma and first run
2329 if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
2330 if ( match ) {
2331
2332 // Don't consume trailing commas as valid
2333 soFar = soFar.slice( match[ 0 ].length ) || soFar;
2334 }
2335 groups.push( ( tokens = [] ) );
2336 }
2337
2338 matched = false;
2339
2340 // Combinators
2341 if ( ( match = rcombinators.exec( soFar ) ) ) {
2342 matched = match.shift();
2343 tokens.push( {
2344 value: matched,
2345
2346 // Cast descendant combinators to space
2347 type: match[ 0 ].replace( rtrim, " " )
2348 } );
2349 soFar = soFar.slice( matched.length );
2350 }
2351
2352 // Filters
2353 for ( type in Expr.filter ) {
2354 if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
2355 ( match = preFilters[ type ]( match ) ) ) ) {
2356 matched = match.shift();
2357 tokens.push( {
2358 value: matched,
2359 type: type,
2360 matches: match
2361 } );
2362 soFar = soFar.slice( matched.length );
2363 }
2364 }
2365
2366 if ( !matched ) {
2367 break;
2368 }
2369 }
2370
2371 // Return the length of the invalid excess
2372 // if we're just parsing
2373 // Otherwise, throw an error or return tokens
2374 return parseOnly ?
2375 soFar.length :
2376 soFar ?
2377 Sizzle.error( selector ) :
2378
2379 // Cache the tokens
2380 tokenCache( selector, groups ).slice( 0 );
2381 };
2382
2383 function toSelector( tokens ) {
2384 var i = 0,
2385 len = tokens.length,
2386 selector = "";
2387 for ( ; i < len; i++ ) {
2388 selector += tokens[ i ].value;
2389 }
2390 return selector;
2391 }
2392
2393 function addCombinator( matcher, combinator, base ) {
2394 var dir = combinator.dir,
2395 skip = combinator.next,
2396 key = skip || dir,
2397 checkNonElements = base && key === "parentNode",
2398 doneName = done++;
2399
2400 return combinator.first ?
2401
2402 // Check against closest ancestor/preceding element
2403 function( elem, context, xml ) {
2404 while ( ( elem = elem[ dir ] ) ) {
2405 if ( elem.nodeType === 1 || checkNonElements ) {
2406 return matcher( elem, context, xml );
2407 }
2408 }
2409 return false;
2410 } :
2411
2412 // Check against all ancestor/preceding elements
2413 function( elem, context, xml ) {
2414 var oldCache, uniqueCache, outerCache,
2415 newCache = [ dirruns, doneName ];
2416
2417 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2418 if ( xml ) {
2419 while ( ( elem = elem[ dir ] ) ) {
2420 if ( elem.nodeType === 1 || checkNonElements ) {
2421 if ( matcher( elem, context, xml ) ) {
2422 return true;
2423 }
2424 }
2425 }
2426 } else {
2427 while ( ( elem = elem[ dir ] ) ) {
2428 if ( elem.nodeType === 1 || checkNonElements ) {
2429 outerCache = elem[ expando ] || ( elem[ expando ] = {} );
2430
2431 // Support: IE <9 only
2432 // Defend against cloned attroperties (jQuery gh-1709)
2433 uniqueCache = outerCache[ elem.uniqueID ] ||
2434 ( outerCache[ elem.uniqueID ] = {} );
2435
2436 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2437 elem = elem[ dir ] || elem;
2438 } else if ( ( oldCache = uniqueCache[ key ] ) &&
2439 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2440
2441 // Assign to newCache so results back-propagate to previous elements
2442 return ( newCache[ 2 ] = oldCache[ 2 ] );
2443 } else {
2444
2445 // Reuse newcache so results back-propagate to previous elements
2446 uniqueCache[ key ] = newCache;
2447
2448 // A match means we're done; a fail means we have to keep checking
2449 if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
2450 return true;
2451 }
2452 }
2453 }
2454 }
2455 }
2456 return false;
2457 };
2458 }
2459
2460 function elementMatcher( matchers ) {
2461 return matchers.length > 1 ?
2462 function( elem, context, xml ) {
2463 var i = matchers.length;
2464 while ( i-- ) {
2465 if ( !matchers[ i ]( elem, context, xml ) ) {
2466 return false;
2467 }
2468 }
2469 return true;
2470 } :
2471 matchers[ 0 ];
2472 }
2473
2474 function multipleContexts( selector, contexts, results ) {
2475 var i = 0,
2476 len = contexts.length;
2477 for ( ; i < len; i++ ) {
2478 Sizzle( selector, contexts[ i ], results );
2479 }
2480 return results;
2481 }
2482
2483 function condense( unmatched, map, filter, context, xml ) {
2484 var elem,
2485 newUnmatched = [],
2486 i = 0,
2487 len = unmatched.length,
2488 mapped = map != null;
2489
2490 for ( ; i < len; i++ ) {
2491 if ( ( elem = unmatched[ i ] ) ) {
2492 if ( !filter || filter( elem, context, xml ) ) {
2493 newUnmatched.push( elem );
2494 if ( mapped ) {
2495 map.push( i );
2496 }
2497 }
2498 }
2499 }
2500
2501 return newUnmatched;
2502 }
2503
2504 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2505 if ( postFilter && !postFilter[ expando ] ) {
2506 postFilter = setMatcher( postFilter );
2507 }
2508 if ( postFinder && !postFinder[ expando ] ) {
2509 postFinder = setMatcher( postFinder, postSelector );
2510 }
2511 return markFunction( function( seed, results, context, xml ) {
2512 var temp, i, elem,
2513 preMap = [],
2514 postMap = [],
2515 preexisting = results.length,
2516
2517 // Get initial elements from seed or context
2518 elems = seed || multipleContexts(
2519 selector || "*",
2520 context.nodeType ? [ context ] : context,
2521 []
2522 ),
2523
2524 // Prefilter to get matcher input, preserving a map for seed-results synchronization
2525 matcherIn = preFilter && ( seed || !selector ) ?
2526 condense( elems, preMap, preFilter, context, xml ) :
2527 elems,
2528
2529 matcherOut = matcher ?
2530
2531 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2532 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2533
2534 // ...intermediate processing is necessary
2535 [] :
2536
2537 // ...otherwise use results directly
2538 results :
2539 matcherIn;
2540
2541 // Find primary matches
2542 if ( matcher ) {
2543 matcher( matcherIn, matcherOut, context, xml );
2544 }
2545
2546 // Apply postFilter
2547 if ( postFilter ) {
2548 temp = condense( matcherOut, postMap );
2549 postFilter( temp, [], context, xml );
2550
2551 // Un-match failing elements by moving them back to matcherIn
2552 i = temp.length;
2553 while ( i-- ) {
2554 if ( ( elem = temp[ i ] ) ) {
2555 matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
2556 }
2557 }
2558 }
2559
2560 if ( seed ) {
2561 if ( postFinder || preFilter ) {
2562 if ( postFinder ) {
2563
2564 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2565 temp = [];
2566 i = matcherOut.length;
2567 while ( i-- ) {
2568 if ( ( elem = matcherOut[ i ] ) ) {
2569
2570 // Restore matcherIn since elem is not yet a final match
2571 temp.push( ( matcherIn[ i ] = elem ) );
2572 }
2573 }
2574 postFinder( null, ( matcherOut = [] ), temp, xml );
2575 }
2576
2577 // Move matched elements from seed to results to keep them synchronized
2578 i = matcherOut.length;
2579 while ( i-- ) {
2580 if ( ( elem = matcherOut[ i ] ) &&
2581 ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) {
2582
2583 seed[ temp ] = !( results[ temp ] = elem );
2584 }
2585 }
2586 }
2587
2588 // Add elements to results, through postFinder if defined
2589 } else {
2590 matcherOut = condense(
2591 matcherOut === results ?
2592 matcherOut.splice( preexisting, matcherOut.length ) :
2593 matcherOut
2594 );
2595 if ( postFinder ) {
2596 postFinder( null, results, matcherOut, xml );
2597 } else {
2598 push.apply( results, matcherOut );
2599 }
2600 }
2601 } );
2602 }
2603
2604 function matcherFromTokens( tokens ) {
2605 var checkContext, matcher, j,
2606 len = tokens.length,
2607 leadingRelative = Expr.relative[ tokens[ 0 ].type ],
2608 implicitRelative = leadingRelative || Expr.relative[ " " ],
2609 i = leadingRelative ? 1 : 0,
2610
2611 // The foundational matcher ensures that elements are reachable from top-level context(s)
2612 matchContext = addCombinator( function( elem ) {
2613 return elem === checkContext;
2614 }, implicitRelative, true ),
2615 matchAnyContext = addCombinator( function( elem ) {
2616 return indexOf( checkContext, elem ) > -1;
2617 }, implicitRelative, true ),
2618 matchers = [ function( elem, context, xml ) {
2619 var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2620 ( checkContext = context ).nodeType ?
2621 matchContext( elem, context, xml ) :
2622 matchAnyContext( elem, context, xml ) );
2623
2624 // Avoid hanging onto element (issue #299)
2625 checkContext = null;
2626 return ret;
2627 } ];
2628
2629 for ( ; i < len; i++ ) {
2630 if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
2631 matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
2632 } else {
2633 matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
2634
2635 // Return special upon seeing a positional matcher
2636 if ( matcher[ expando ] ) {
2637
2638 // Find the next relative operator (if any) for proper handling
2639 j = ++i;
2640 for ( ; j < len; j++ ) {
2641 if ( Expr.relative[ tokens[ j ].type ] ) {
2642 break;
2643 }
2644 }
2645 return setMatcher(
2646 i > 1 && elementMatcher( matchers ),
2647 i > 1 && toSelector(
2648
2649 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2650 tokens
2651 .slice( 0, i - 1 )
2652 .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
2653 ).replace( rtrim, "$1" ),
2654 matcher,
2655 i < j && matcherFromTokens( tokens.slice( i, j ) ),
2656 j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
2657 j < len && toSelector( tokens )
2658 );
2659 }
2660 matchers.push( matcher );
2661 }
2662 }
2663
2664 return elementMatcher( matchers );
2665 }
2666
2667 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2668 var bySet = setMatchers.length > 0,
2669 byElement = elementMatchers.length > 0,
2670 superMatcher = function( seed, context, xml, results, outermost ) {
2671 var elem, j, matcher,
2672 matchedCount = 0,
2673 i = "0",
2674 unmatched = seed && [],
2675 setMatched = [],
2676 contextBackup = outermostContext,
2677
2678 // We must always have either seed elements or outermost context
2679 elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
2680
2681 // Use integer dirruns iff this is the outermost matcher
2682 dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
2683 len = elems.length;
2684
2685 if ( outermost ) {
2686
2687 // Support: IE 11+, Edge 17 - 18+
2688 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2689 // two documents; shallow comparisons work.
2690 // eslint-disable-next-line eqeqeq
2691 outermostContext = context == document || context || outermost;
2692 }
2693
2694 // Add elements passing elementMatchers directly to results
2695 // Support: IE<9, Safari
2696 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2697 for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
2698 if ( byElement && elem ) {
2699 j = 0;
2700
2701 // Support: IE 11+, Edge 17 - 18+
2702 // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2703 // two documents; shallow comparisons work.
2704 // eslint-disable-next-line eqeqeq
2705 if ( !context && elem.ownerDocument != document ) {
2706 setDocument( elem );
2707 xml = !documentIsHTML;
2708 }
2709 while ( ( matcher = elementMatchers[ j++ ] ) ) {
2710 if ( matcher( elem, context || document, xml ) ) {
2711 results.push( elem );
2712 break;
2713 }
2714 }
2715 if ( outermost ) {
2716 dirruns = dirrunsUnique;
2717 }
2718 }
2719
2720 // Track unmatched elements for set filters
2721 if ( bySet ) {
2722
2723 // They will have gone through all possible matchers
2724 if ( ( elem = !matcher && elem ) ) {
2725 matchedCount--;
2726 }
2727
2728 // Lengthen the array for every element, matched or not
2729 if ( seed ) {
2730 unmatched.push( elem );
2731 }
2732 }
2733 }
2734
2735 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2736 // makes the latter nonnegative.
2737 matchedCount += i;
2738
2739 // Apply set filters to unmatched elements
2740 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2741 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2742 // no element matchers and no seed.
2743 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2744 // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2745 // numerically zero.
2746 if ( bySet && i !== matchedCount ) {
2747 j = 0;
2748 while ( ( matcher = setMatchers[ j++ ] ) ) {
2749 matcher( unmatched, setMatched, context, xml );
2750 }
2751
2752 if ( seed ) {
2753
2754 // Reintegrate element matches to eliminate the need for sorting
2755 if ( matchedCount > 0 ) {
2756 while ( i-- ) {
2757 if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
2758 setMatched[ i ] = pop.call( results );
2759 }
2760 }
2761 }
2762
2763 // Discard index placeholder values to get only actual matches
2764 setMatched = condense( setMatched );
2765 }
2766
2767 // Add matches to results
2768 push.apply( results, setMatched );
2769
2770 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2771 if ( outermost && !seed && setMatched.length > 0 &&
2772 ( matchedCount + setMatchers.length ) > 1 ) {
2773
2774 Sizzle.uniqueSort( results );
2775 }
2776 }
2777
2778 // Override manipulation of globals by nested matchers
2779 if ( outermost ) {
2780 dirruns = dirrunsUnique;
2781 outermostContext = contextBackup;
2782 }
2783
2784 return unmatched;
2785 };
2786
2787 return bySet ?
2788 markFunction( superMatcher ) :
2789 superMatcher;
2790 }
2791
2792 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2793 var i,
2794 setMatchers = [],
2795 elementMatchers = [],
2796 cached = compilerCache[ selector + " " ];
2797
2798 if ( !cached ) {
2799
2800 // Generate a function of recursive functions that can be used to check each element
2801 if ( !match ) {
2802 match = tokenize( selector );
2803 }
2804 i = match.length;
2805 while ( i-- ) {
2806 cached = matcherFromTokens( match[ i ] );
2807 if ( cached[ expando ] ) {
2808 setMatchers.push( cached );
2809 } else {
2810 elementMatchers.push( cached );
2811 }
2812 }
2813
2814 // Cache the compiled function
2815 cached = compilerCache(
2816 selector,
2817 matcherFromGroupMatchers( elementMatchers, setMatchers )
2818 );
2819
2820 // Save selector and tokenization
2821 cached.selector = selector;
2822 }
2823 return cached;
2824 };
2825
2826 /**
2827 * A low-level selection function that works with Sizzle's compiled
2828 * selector functions
2829 * @param {String|Function} selector A selector or a pre-compiled
2830 * selector function built with Sizzle.compile
2831 * @param {Element} context
2832 * @param {Array} [results]
2833 * @param {Array} [seed] A set of elements to match against
2834 */
2835 select = Sizzle.select = function( selector, context, results, seed ) {
2836 var i, tokens, token, type, find,
2837 compiled = typeof selector === "function" && selector,
2838 match = !seed && tokenize( ( selector = compiled.selector || selector ) );
2839
2840 results = results || [];
2841
2842 // Try to minimize operations if there is only one selector in the list and no seed
2843 // (the latter of which guarantees us context)
2844 if ( match.length === 1 ) {
2845
2846 // Reduce context if the leading compound selector is an ID
2847 tokens = match[ 0 ] = match[ 0 ].slice( 0 );
2848 if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
2849 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
2850
2851 context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
2852 .replace( runescape, funescape ), context ) || [] )[ 0 ];
2853 if ( !context ) {
2854 return results;
2855
2856 // Precompiled matchers will still verify ancestry, so step up a level
2857 } else if ( compiled ) {
2858 context = context.parentNode;
2859 }
2860
2861 selector = selector.slice( tokens.shift().value.length );
2862 }
2863
2864 // Fetch a seed set for right-to-left matching
2865 i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
2866 while ( i-- ) {
2867 token = tokens[ i ];
2868
2869 // Abort if we hit a combinator
2870 if ( Expr.relative[ ( type = token.type ) ] ) {
2871 break;
2872 }
2873 if ( ( find = Expr.find[ type ] ) ) {
2874
2875 // Search, expanding context for leading sibling combinators
2876 if ( ( seed = find(
2877 token.matches[ 0 ].replace( runescape, funescape ),
2878 rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) ||
2879 context
2880 ) ) ) {
2881
2882 // If seed is empty or no tokens remain, we can return early
2883 tokens.splice( i, 1 );
2884 selector = seed.length && toSelector( tokens );
2885 if ( !selector ) {
2886 push.apply( results, seed );
2887 return results;
2888 }
2889
2890 break;
2891 }
2892 }
2893 }
2894 }
2895
2896 // Compile and execute a filtering function if one is not provided
2897 // Provide `match` to avoid retokenization if we modified the selector above
2898 ( compiled || compile( selector, match ) )(
2899 seed,
2900 context,
2901 !documentIsHTML,
2902 results,
2903 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2904 );
2905 return results;
2906 };
2907
2908 // One-time assignments
2909
2910 // Sort stability
2911 support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando;
2912
2913 // Support: Chrome 14-35+
2914 // Always assume duplicates if they aren't passed to the comparison function
2915 support.detectDuplicates = !!hasDuplicate;
2916
2917 // Initialize against the default document
2918 setDocument();
2919
2920 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2921 // Detached nodes confoundingly follow *each other*
2922 support.sortDetached = assert( function( el ) {
2923
2924 // Should return 1, but returns 4 (following)
2925 return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1;
2926 } );
2927
2928 // Support: IE<8
2929 // Prevent attribute/property "interpolation"
2930 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2931 if ( !assert( function( el ) {
2932 el.innerHTML = "<a href='#'></a>";
2933 return el.firstChild.getAttribute( "href" ) === "#";
2934 } ) ) {
2935 addHandle( "type|href|height|width", function( elem, name, isXML ) {
2936 if ( !isXML ) {
2937 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2938 }
2939 } );
2940 }
2941
2942 // Support: IE<9
2943 // Use defaultValue in place of getAttribute("value")
2944 if ( !support.attributes || !assert( function( el ) {
2945 el.innerHTML = "<input/>";
2946 el.firstChild.setAttribute( "value", "" );
2947 return el.firstChild.getAttribute( "value" ) === "";
2948 } ) ) {
2949 addHandle( "value", function( elem, _name, isXML ) {
2950 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2951 return elem.defaultValue;
2952 }
2953 } );
2954 }
2955
2956 // Support: IE<9
2957 // Use getAttributeNode to fetch booleans when getAttribute lies
2958 if ( !assert( function( el ) {
2959 return el.getAttribute( "disabled" ) == null;
2960 } ) ) {
2961 addHandle( booleans, function( elem, name, isXML ) {
2962 var val;
2963 if ( !isXML ) {
2964 return elem[ name ] === true ? name.toLowerCase() :
2965 ( val = elem.getAttributeNode( name ) ) && val.specified ?
2966 val.value :
2967 null;
2968 }
2969 } );
2970 }
2971
2972 return Sizzle;
2973
2974 } )( window );
2975
2976
2977
2978 jQuery.find = Sizzle;
2979 jQuery.expr = Sizzle.selectors;
2980
2981 // Deprecated
2982 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2983 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2984 jQuery.text = Sizzle.getText;
2985 jQuery.isXMLDoc = Sizzle.isXML;
2986 jQuery.contains = Sizzle.contains;
2987 jQuery.escapeSelector = Sizzle.escape;
2988
2989
2990
2991
2992 var dir = function( elem, dir, until ) {
2993 var matched = [],
2994 truncate = until !== undefined;
2995
2996 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2997 if ( elem.nodeType === 1 ) {
2998 if ( truncate && jQuery( elem ).is( until ) ) {
2999 break;
3000 }
3001 matched.push( elem );
3002 }
3003 }
3004 return matched;
3005 };
3006
3007
3008 var siblings = function( n, elem ) {
3009 var matched = [];
3010
3011 for ( ; n; n = n.nextSibling ) {
3012 if ( n.nodeType === 1 && n !== elem ) {
3013 matched.push( n );
3014 }
3015 }
3016
3017 return matched;
3018 };
3019
3020
3021 var rneedsContext = jQuery.expr.match.needsContext;
3022
3023
3024
3025 function nodeName( elem, name ) {
3026
3027 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
3028
3029 };
3030 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
3031
3032
3033
3034 // Implement the identical functionality for filter and not
3035 function winnow( elements, qualifier, not ) {
3036 if ( isFunction( qualifier ) ) {
3037 return jQuery.grep( elements, function( elem, i ) {
3038 return !!qualifier.call( elem, i, elem ) !== not;
3039 } );
3040 }
3041
3042 // Single element
3043 if ( qualifier.nodeType ) {
3044 return jQuery.grep( elements, function( elem ) {
3045 return ( elem === qualifier ) !== not;
3046 } );
3047 }
3048
3049 // Arraylike of elements (jQuery, arguments, Array)
3050 if ( typeof qualifier !== "string" ) {
3051 return jQuery.grep( elements, function( elem ) {
3052 return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
3053 } );
3054 }
3055
3056 // Filtered directly for both simple and complex selectors
3057 return jQuery.filter( qualifier, elements, not );
3058 }
3059
3060 jQuery.filter = function( expr, elems, not ) {
3061 var elem = elems[ 0 ];
3062
3063 if ( not ) {
3064 expr = ":not(" + expr + ")";
3065 }
3066
3067 if ( elems.length === 1 && elem.nodeType === 1 ) {
3068 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
3069 }
3070
3071 return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
3072 return elem.nodeType === 1;
3073 } ) );
3074 };
3075
3076 jQuery.fn.extend( {
3077 find: function( selector ) {
3078 var i, ret,
3079 len = this.length,
3080 self = this;
3081
3082 if ( typeof selector !== "string" ) {
3083 return this.pushStack( jQuery( selector ).filter( function() {
3084 for ( i = 0; i < len; i++ ) {
3085 if ( jQuery.contains( self[ i ], this ) ) {
3086 return true;
3087 }
3088 }
3089 } ) );
3090 }
3091
3092 ret = this.pushStack( [] );
3093
3094 for ( i = 0; i < len; i++ ) {
3095 jQuery.find( selector, self[ i ], ret );
3096 }
3097
3098 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
3099 },
3100 filter: function( selector ) {
3101 return this.pushStack( winnow( this, selector || [], false ) );
3102 },
3103 not: function( selector ) {
3104 return this.pushStack( winnow( this, selector || [], true ) );
3105 },
3106 is: function( selector ) {
3107 return !!winnow(
3108 this,
3109
3110 // If this is a positional/relative selector, check membership in the returned set
3111 // so $("p:first").is("p:last") won't return true for a doc with two "p".
3112 typeof selector === "string" && rneedsContext.test( selector ) ?
3113 jQuery( selector ) :
3114 selector || [],
3115 false
3116 ).length;
3117 }
3118 } );
3119
3120
3121 // Initialize a jQuery object
3122
3123
3124 // A central reference to the root jQuery(document)
3125 var rootjQuery,
3126
3127 // A simple way to check for HTML strings
3128 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
3129 // Strict HTML recognition (#11290: must start with <)
3130 // Shortcut simple #id case for speed
3131 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
3132
3133 init = jQuery.fn.init = function( selector, context, root ) {
3134 var match, elem;
3135
3136 // HANDLE: $(""), $(null), $(undefined), $(false)
3137 if ( !selector ) {
3138 return this;
3139 }
3140
3141 // Method init() accepts an alternate rootjQuery
3142 // so migrate can support jQuery.sub (gh-2101)
3143 root = root || rootjQuery;
3144
3145 // Handle HTML strings
3146 if ( typeof selector === "string" ) {
3147 if ( selector[ 0 ] === "<" &&
3148 selector[ selector.length - 1 ] === ">" &&
3149 selector.length >= 3 ) {
3150
3151 // Assume that strings that start and end with <> are HTML and skip the regex check
3152 match = [ null, selector, null ];
3153
3154 } else {
3155 match = rquickExpr.exec( selector );
3156 }
3157
3158 // Match html or make sure no context is specified for #id
3159 if ( match && ( match[ 1 ] || !context ) ) {
3160
3161 // HANDLE: $(html) -> $(array)
3162 if ( match[ 1 ] ) {
3163 context = context instanceof jQuery ? context[ 0 ] : context;
3164
3165 // Option to run scripts is true for back-compat
3166 // Intentionally let the error be thrown if parseHTML is not present
3167 jQuery.merge( this, jQuery.parseHTML(
3168 match[ 1 ],
3169 context && context.nodeType ? context.ownerDocument || context : document,
3170 true
3171 ) );
3172
3173 // HANDLE: $(html, props)
3174 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
3175 for ( match in context ) {
3176
3177 // Properties of context are called as methods if possible
3178 if ( isFunction( this[ match ] ) ) {
3179 this[ match ]( context[ match ] );
3180
3181 // ...and otherwise set as attributes
3182 } else {
3183 this.attr( match, context[ match ] );
3184 }
3185 }
3186 }
3187
3188 return this;
3189
3190 // HANDLE: $(#id)
3191 } else {
3192 elem = document.getElementById( match[ 2 ] );
3193
3194 if ( elem ) {
3195
3196 // Inject the element directly into the jQuery object
3197 this[ 0 ] = elem;
3198 this.length = 1;
3199 }
3200 return this;
3201 }
3202
3203 // HANDLE: $(expr, $(...))
3204 } else if ( !context || context.jquery ) {
3205 return ( context || root ).find( selector );
3206
3207 // HANDLE: $(expr, context)
3208 // (which is just equivalent to: $(context).find(expr)
3209 } else {
3210 return this.constructor( context ).find( selector );
3211 }
3212
3213 // HANDLE: $(DOMElement)
3214 } else if ( selector.nodeType ) {
3215 this[ 0 ] = selector;
3216 this.length = 1;
3217 return this;
3218
3219 // HANDLE: $(function)
3220 // Shortcut for document ready
3221 } else if ( isFunction( selector ) ) {
3222 return root.ready !== undefined ?
3223 root.ready( selector ) :
3224
3225 // Execute immediately if ready is not present
3226 selector( jQuery );
3227 }
3228
3229 return jQuery.makeArray( selector, this );
3230 };
3231
3232 // Give the init function the jQuery prototype for later instantiation
3233 init.prototype = jQuery.fn;
3234
3235 // Initialize central reference
3236 rootjQuery = jQuery( document );
3237
3238
3239 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3240
3241 // Methods guaranteed to produce a unique set when starting from a unique set
3242 guaranteedUnique = {
3243 children: true,
3244 contents: true,
3245 next: true,
3246 prev: true
3247 };
3248
3249 jQuery.fn.extend( {
3250 has: function( target ) {
3251 var targets = jQuery( target, this ),
3252 l = targets.length;
3253
3254 return this.filter( function() {
3255 var i = 0;
3256 for ( ; i < l; i++ ) {
3257 if ( jQuery.contains( this, targets[ i ] ) ) {
3258 return true;
3259 }
3260 }
3261 } );
3262 },
3263
3264 closest: function( selectors, context ) {
3265 var cur,
3266 i = 0,
3267 l = this.length,
3268 matched = [],
3269 targets = typeof selectors !== "string" && jQuery( selectors );
3270
3271 // Positional selectors never match, since there's no _selection_ context
3272 if ( !rneedsContext.test( selectors ) ) {
3273 for ( ; i < l; i++ ) {
3274 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3275
3276 // Always skip document fragments
3277 if ( cur.nodeType < 11 && ( targets ?
3278 targets.index( cur ) > -1 :
3279
3280 // Don't pass non-elements to Sizzle
3281 cur.nodeType === 1 &&
3282 jQuery.find.matchesSelector( cur, selectors ) ) ) {
3283
3284 matched.push( cur );
3285 break;
3286 }
3287 }
3288 }
3289 }
3290
3291 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3292 },
3293
3294 // Determine the position of an element within the set
3295 index: function( elem ) {
3296
3297 // No argument, return index in parent
3298 if ( !elem ) {
3299 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3300 }
3301
3302 // Index in selector
3303 if ( typeof elem === "string" ) {
3304 return indexOf.call( jQuery( elem ), this[ 0 ] );
3305 }
3306
3307 // Locate the position of the desired element
3308 return indexOf.call( this,
3309
3310 // If it receives a jQuery object, the first element is used
3311 elem.jquery ? elem[ 0 ] : elem
3312 );
3313 },
3314
3315 add: function( selector, context ) {
3316 return this.pushStack(
3317 jQuery.uniqueSort(
3318 jQuery.merge( this.get(), jQuery( selector, context ) )
3319 )
3320 );
3321 },
3322
3323 addBack: function( selector ) {
3324 return this.add( selector == null ?
3325 this.prevObject : this.prevObject.filter( selector )
3326 );
3327 }
3328 } );
3329
3330 function sibling( cur, dir ) {
3331 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3332 return cur;
3333 }
3334
3335 jQuery.each( {
3336 parent: function( elem ) {
3337 var parent = elem.parentNode;
3338 return parent && parent.nodeType !== 11 ? parent : null;
3339 },
3340 parents: function( elem ) {
3341 return dir( elem, "parentNode" );
3342 },
3343 parentsUntil: function( elem, _i, until ) {
3344 return dir( elem, "parentNode", until );
3345 },
3346 next: function( elem ) {
3347 return sibling( elem, "nextSibling" );
3348 },
3349 prev: function( elem ) {
3350 return sibling( elem, "previousSibling" );
3351 },
3352 nextAll: function( elem ) {
3353 return dir( elem, "nextSibling" );
3354 },
3355 prevAll: function( elem ) {
3356 return dir( elem, "previousSibling" );
3357 },
3358 nextUntil: function( elem, _i, until ) {
3359 return dir( elem, "nextSibling", until );
3360 },
3361 prevUntil: function( elem, _i, until ) {
3362 return dir( elem, "previousSibling", until );
3363 },
3364 siblings: function( elem ) {
3365 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3366 },
3367 children: function( elem ) {
3368 return siblings( elem.firstChild );
3369 },
3370 contents: function( elem ) {
3371 if ( elem.contentDocument != null &&
3372
3373 // Support: IE 11+
3374 // <object> elements with no `data` attribute has an object
3375 // `contentDocument` with a `null` prototype.
3376 getProto( elem.contentDocument ) ) {
3377
3378 return elem.contentDocument;
3379 }
3380
3381 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3382 // Treat the template element as a regular one in browsers that
3383 // don't support it.
3384 if ( nodeName( elem, "template" ) ) {
3385 elem = elem.content || elem;
3386 }
3387
3388 return jQuery.merge( [], elem.childNodes );
3389 }
3390 }, function( name, fn ) {
3391 jQuery.fn[ name ] = function( until, selector ) {
3392 var matched = jQuery.map( this, fn, until );
3393
3394 if ( name.slice( -5 ) !== "Until" ) {
3395 selector = until;
3396 }
3397
3398 if ( selector && typeof selector === "string" ) {
3399 matched = jQuery.filter( selector, matched );
3400 }
3401
3402 if ( this.length > 1 ) {
3403
3404 // Remove duplicates
3405 if ( !guaranteedUnique[ name ] ) {
3406 jQuery.uniqueSort( matched );
3407 }
3408
3409 // Reverse order for parents* and prev-derivatives
3410 if ( rparentsprev.test( name ) ) {
3411 matched.reverse();
3412 }
3413 }
3414
3415 return this.pushStack( matched );
3416 };
3417 } );
3418 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3419
3420
3421
3422 // Convert String-formatted options into Object-formatted ones
3423 function createOptions( options ) {
3424 var object = {};
3425 jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3426 object[ flag ] = true;
3427 } );
3428 return object;
3429 }
3430
3431 /*
3432 * Create a callback list using the following parameters:
3433 *
3434 * options: an optional list of space-separated options that will change how
3435 * the callback list behaves or a more traditional option object
3436 *
3437 * By default a callback list will act like an event callback list and can be
3438 * "fired" multiple times.
3439 *
3440 * Possible options:
3441 *
3442 * once: will ensure the callback list can only be fired once (like a Deferred)
3443 *
3444 * memory: will keep track of previous values and will call any callback added
3445 * after the list has been fired right away with the latest "memorized"
3446 * values (like a Deferred)
3447 *
3448 * unique: will ensure a callback can only be added once (no duplicate in the list)
3449 *
3450 * stopOnFalse: interrupt callings when a callback returns false
3451 *
3452 */
3453 jQuery.Callbacks = function( options ) {
3454
3455 // Convert options from String-formatted to Object-formatted if needed
3456 // (we check in cache first)
3457 options = typeof options === "string" ?
3458 createOptions( options ) :
3459 jQuery.extend( {}, options );
3460
3461 var // Flag to know if list is currently firing
3462 firing,
3463
3464 // Last fire value for non-forgettable lists
3465 memory,
3466
3467 // Flag to know if list was already fired
3468 fired,
3469
3470 // Flag to prevent firing
3471 locked,
3472
3473 // Actual callback list
3474 list = [],
3475
3476 // Queue of execution data for repeatable lists
3477 queue = [],
3478
3479 // Index of currently firing callback (modified by add/remove as needed)
3480 firingIndex = -1,
3481
3482 // Fire callbacks
3483 fire = function() {
3484
3485 // Enforce single-firing
3486 locked = locked || options.once;
3487
3488 // Execute callbacks for all pending executions,
3489 // respecting firingIndex overrides and runtime changes
3490 fired = firing = true;
3491 for ( ; queue.length; firingIndex = -1 ) {
3492 memory = queue.shift();
3493 while ( ++firingIndex < list.length ) {
3494
3495 // Run callback and check for early termination
3496 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3497 options.stopOnFalse ) {
3498
3499 // Jump to end and forget the data so .add doesn't re-fire
3500 firingIndex = list.length;
3501 memory = false;
3502 }
3503 }
3504 }
3505
3506 // Forget the data if we're done with it
3507 if ( !options.memory ) {
3508 memory = false;
3509 }
3510
3511 firing = false;
3512
3513 // Clean up if we're done firing for good
3514 if ( locked ) {
3515
3516 // Keep an empty list if we have data for future add calls
3517 if ( memory ) {
3518 list = [];
3519
3520 // Otherwise, this object is spent
3521 } else {
3522 list = "";
3523 }
3524 }
3525 },
3526
3527 // Actual Callbacks object
3528 self = {
3529
3530 // Add a callback or a collection of callbacks to the list
3531 add: function() {
3532 if ( list ) {
3533
3534 // If we have memory from a past run, we should fire after adding
3535 if ( memory && !firing ) {
3536 firingIndex = list.length - 1;
3537 queue.push( memory );
3538 }
3539
3540 ( function add( args ) {
3541 jQuery.each( args, function( _, arg ) {
3542 if ( isFunction( arg ) ) {
3543 if ( !options.unique || !self.has( arg ) ) {
3544 list.push( arg );
3545 }
3546 } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3547
3548 // Inspect recursively
3549 add( arg );
3550 }
3551 } );
3552 } )( arguments );
3553
3554 if ( memory && !firing ) {
3555 fire();
3556 }
3557 }
3558 return this;
3559 },
3560
3561 // Remove a callback from the list
3562 remove: function() {
3563 jQuery.each( arguments, function( _, arg ) {
3564 var index;
3565 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3566 list.splice( index, 1 );
3567
3568 // Handle firing indexes
3569 if ( index <= firingIndex ) {
3570 firingIndex--;
3571 }
3572 }
3573 } );
3574 return this;
3575 },
3576
3577 // Check if a given callback is in the list.
3578 // If no argument is given, return whether or not list has callbacks attached.
3579 has: function( fn ) {
3580 return fn ?
3581 jQuery.inArray( fn, list ) > -1 :
3582 list.length > 0;
3583 },
3584
3585 // Remove all callbacks from the list
3586 empty: function() {
3587 if ( list ) {
3588 list = [];
3589 }
3590 return this;
3591 },
3592
3593 // Disable .fire and .add
3594 // Abort any current/pending executions
3595 // Clear all callbacks and values
3596 disable: function() {
3597 locked = queue = [];
3598 list = memory = "";
3599 return this;
3600 },
3601 disabled: function() {
3602 return !list;
3603 },
3604
3605 // Disable .fire
3606 // Also disable .add unless we have memory (since it would have no effect)
3607 // Abort any pending executions
3608 lock: function() {
3609 locked = queue = [];
3610 if ( !memory && !firing ) {
3611 list = memory = "";
3612 }
3613 return this;
3614 },
3615 locked: function() {
3616 return !!locked;
3617 },
3618
3619 // Call all callbacks with the given context and arguments
3620 fireWith: function( context, args ) {
3621 if ( !locked ) {
3622 args = args || [];
3623 args = [ context, args.slice ? args.slice() : args ];
3624 queue.push( args );
3625 if ( !firing ) {
3626 fire();
3627 }
3628 }
3629 return this;
3630 },
3631
3632 // Call all the callbacks with the given arguments
3633 fire: function() {
3634 self.fireWith( this, arguments );
3635 return this;
3636 },
3637
3638 // To know if the callbacks have already been called at least once
3639 fired: function() {
3640 return !!fired;
3641 }
3642 };
3643
3644 return self;
3645 };
3646
3647
3648 function Identity( v ) {
3649 return v;
3650 }
3651 function Thrower( ex ) {
3652 throw ex;
3653 }
3654
3655 function adoptValue( value, resolve, reject, noValue ) {
3656 var method;
3657
3658 try {
3659
3660 // Check for promise aspect first to privilege synchronous behavior
3661 if ( value && isFunction( ( method = value.promise ) ) ) {
3662 method.call( value ).done( resolve ).fail( reject );
3663
3664 // Other thenables
3665 } else if ( value && isFunction( ( method = value.then ) ) ) {
3666 method.call( value, resolve, reject );
3667
3668 // Other non-thenables
3669 } else {
3670
3671 // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3672 // * false: [ value ].slice( 0 ) => resolve( value )
3673 // * true: [ value ].slice( 1 ) => resolve()
3674 resolve.apply( undefined, [ value ].slice( noValue ) );
3675 }
3676
3677 // For Promises/A+, convert exceptions into rejections
3678 // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3679 // Deferred#then to conditionally suppress rejection.
3680 } catch ( value ) {
3681
3682 // Support: Android 4.0 only
3683 // Strict mode functions invoked without .call/.apply get global-object context
3684 reject.apply( undefined, [ value ] );
3685 }
3686 }
3687
3688 jQuery.extend( {
3689
3690 Deferred: function( func ) {
3691 var tuples = [
3692
3693 // action, add listener, callbacks,
3694 // ... .then handlers, argument index, [final state]
3695 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3696 jQuery.Callbacks( "memory" ), 2 ],
3697 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3698 jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3699 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3700 jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3701 ],
3702 state = "pending",
3703 promise = {
3704 state: function() {
3705 return state;
3706 },
3707 always: function() {
3708 deferred.done( arguments ).fail( arguments );
3709 return this;
3710 },
3711 "catch": function( fn ) {
3712 return promise.then( null, fn );
3713 },
3714
3715 // Keep pipe for back-compat
3716 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3717 var fns = arguments;
3718
3719 return jQuery.Deferred( function( newDefer ) {
3720 jQuery.each( tuples, function( _i, tuple ) {
3721
3722 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3723 var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3724
3725 // deferred.progress(function() { bind to newDefer or newDefer.notify })
3726 // deferred.done(function() { bind to newDefer or newDefer.resolve })
3727 // deferred.fail(function() { bind to newDefer or newDefer.reject })
3728 deferred[ tuple[ 1 ] ]( function() {
3729 var returned = fn && fn.apply( this, arguments );
3730 if ( returned && isFunction( returned.promise ) ) {
3731 returned.promise()
3732 .progress( newDefer.notify )
3733 .done( newDefer.resolve )
3734 .fail( newDefer.reject );
3735 } else {
3736 newDefer[ tuple[ 0 ] + "With" ](
3737 this,
3738 fn ? [ returned ] : arguments
3739 );
3740 }
3741 } );
3742 } );
3743 fns = null;
3744 } ).promise();
3745 },
3746 then: function( onFulfilled, onRejected, onProgress ) {
3747 var maxDepth = 0;
3748 function resolve( depth, deferred, handler, special ) {
3749 return function() {
3750 var that = this,
3751 args = arguments,
3752 mightThrow = function() {
3753 var returned, then;
3754
3755 // Support: Promises/A+ section 2.3.3.3.3
3756 // https://promisesaplus.com/#point-59
3757 // Ignore double-resolution attempts
3758 if ( depth < maxDepth ) {
3759 return;
3760 }
3761
3762 returned = handler.apply( that, args );
3763
3764 // Support: Promises/A+ section 2.3.1
3765 // https://promisesaplus.com/#point-48
3766 if ( returned === deferred.promise() ) {
3767 throw new TypeError( "Thenable self-resolution" );
3768 }
3769
3770 // Support: Promises/A+ sections 2.3.3.1, 3.5
3771 // https://promisesaplus.com/#point-54
3772 // https://promisesaplus.com/#point-75
3773 // Retrieve `then` only once
3774 then = returned &&
3775
3776 // Support: Promises/A+ section 2.3.4
3777 // https://promisesaplus.com/#point-64
3778 // Only check objects and functions for thenability
3779 ( typeof returned === "object" ||
3780 typeof returned === "function" ) &&
3781 returned.then;
3782
3783 // Handle a returned thenable
3784 if ( isFunction( then ) ) {
3785
3786 // Special processors (notify) just wait for resolution
3787 if ( special ) {
3788 then.call(
3789 returned,
3790 resolve( maxDepth, deferred, Identity, special ),
3791 resolve( maxDepth, deferred, Thrower, special )
3792 );
3793
3794 // Normal processors (resolve) also hook into progress
3795 } else {
3796
3797 // ...and disregard older resolution values
3798 maxDepth++;
3799
3800 then.call(
3801 returned,
3802 resolve( maxDepth, deferred, Identity, special ),
3803 resolve( maxDepth, deferred, Thrower, special ),
3804 resolve( maxDepth, deferred, Identity,
3805 deferred.notifyWith )
3806 );
3807 }
3808
3809 // Handle all other returned values
3810 } else {
3811
3812 // Only substitute handlers pass on context
3813 // and multiple values (non-spec behavior)
3814 if ( handler !== Identity ) {
3815 that = undefined;
3816 args = [ returned ];
3817 }
3818
3819 // Process the value(s)
3820 // Default process is resolve
3821 ( special || deferred.resolveWith )( that, args );
3822 }
3823 },
3824
3825 // Only normal processors (resolve) catch and reject exceptions
3826 process = special ?
3827 mightThrow :
3828 function() {
3829 try {
3830 mightThrow();
3831 } catch ( e ) {
3832
3833 if ( jQuery.Deferred.exceptionHook ) {
3834 jQuery.Deferred.exceptionHook( e,
3835 process.stackTrace );
3836 }
3837
3838 // Support: Promises/A+ section 2.3.3.3.4.1
3839 // https://promisesaplus.com/#point-61
3840 // Ignore post-resolution exceptions
3841 if ( depth + 1 >= maxDepth ) {
3842
3843 // Only substitute handlers pass on context
3844 // and multiple values (non-spec behavior)
3845 if ( handler !== Thrower ) {
3846 that = undefined;
3847 args = [ e ];
3848 }
3849
3850 deferred.rejectWith( that, args );
3851 }
3852 }
3853 };
3854
3855 // Support: Promises/A+ section 2.3.3.3.1
3856 // https://promisesaplus.com/#point-57
3857 // Re-resolve promises immediately to dodge false rejection from
3858 // subsequent errors
3859 if ( depth ) {
3860 process();
3861 } else {
3862
3863 // Call an optional hook to record the stack, in case of exception
3864 // since it's otherwise lost when execution goes async
3865 if ( jQuery.Deferred.getStackHook ) {
3866 process.stackTrace = jQuery.Deferred.getStackHook();
3867 }
3868 window.setTimeout( process );
3869 }
3870 };
3871 }
3872
3873 return jQuery.Deferred( function( newDefer ) {
3874
3875 // progress_handlers.add( ... )
3876 tuples[ 0 ][ 3 ].add(
3877 resolve(
3878 0,
3879 newDefer,
3880 isFunction( onProgress ) ?
3881 onProgress :
3882 Identity,
3883 newDefer.notifyWith
3884 )
3885 );
3886
3887 // fulfilled_handlers.add( ... )
3888 tuples[ 1 ][ 3 ].add(
3889 resolve(
3890 0,
3891 newDefer,
3892 isFunction( onFulfilled ) ?
3893 onFulfilled :
3894 Identity
3895 )
3896 );
3897
3898 // rejected_handlers.add( ... )
3899 tuples[ 2 ][ 3 ].add(
3900 resolve(
3901 0,
3902 newDefer,
3903 isFunction( onRejected ) ?
3904 onRejected :
3905 Thrower
3906 )
3907 );
3908 } ).promise();
3909 },
3910
3911 // Get a promise for this deferred
3912 // If obj is provided, the promise aspect is added to the object
3913 promise: function( obj ) {
3914 return obj != null ? jQuery.extend( obj, promise ) : promise;
3915 }
3916 },
3917 deferred = {};
3918
3919 // Add list-specific methods
3920 jQuery.each( tuples, function( i, tuple ) {
3921 var list = tuple[ 2 ],
3922 stateString = tuple[ 5 ];
3923
3924 // promise.progress = list.add
3925 // promise.done = list.add
3926 // promise.fail = list.add
3927 promise[ tuple[ 1 ] ] = list.add;
3928
3929 // Handle state
3930 if ( stateString ) {
3931 list.add(
3932 function() {
3933
3934 // state = "resolved" (i.e., fulfilled)
3935 // state = "rejected"
3936 state = stateString;
3937 },
3938
3939 // rejected_callbacks.disable
3940 // fulfilled_callbacks.disable
3941 tuples[ 3 - i ][ 2 ].disable,
3942
3943 // rejected_handlers.disable
3944 // fulfilled_handlers.disable
3945 tuples[ 3 - i ][ 3 ].disable,
3946
3947 // progress_callbacks.lock
3948 tuples[ 0 ][ 2 ].lock,
3949
3950 // progress_handlers.lock
3951 tuples[ 0 ][ 3 ].lock
3952 );
3953 }
3954
3955 // progress_handlers.fire
3956 // fulfilled_handlers.fire
3957 // rejected_handlers.fire
3958 list.add( tuple[ 3 ].fire );
3959
3960 // deferred.notify = function() { deferred.notifyWith(...) }
3961 // deferred.resolve = function() { deferred.resolveWith(...) }
3962 // deferred.reject = function() { deferred.rejectWith(...) }
3963 deferred[ tuple[ 0 ] ] = function() {
3964 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3965 return this;
3966 };
3967
3968 // deferred.notifyWith = list.fireWith
3969 // deferred.resolveWith = list.fireWith
3970 // deferred.rejectWith = list.fireWith
3971 deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3972 } );
3973
3974 // Make the deferred a promise
3975 promise.promise( deferred );
3976
3977 // Call given func if any
3978 if ( func ) {
3979 func.call( deferred, deferred );
3980 }
3981
3982 // All done!
3983 return deferred;
3984 },
3985
3986 // Deferred helper
3987 when: function( singleValue ) {
3988 var
3989
3990 // count of uncompleted subordinates
3991 remaining = arguments.length,
3992
3993 // count of unprocessed arguments
3994 i = remaining,
3995
3996 // subordinate fulfillment data
3997 resolveContexts = Array( i ),
3998 resolveValues = slice.call( arguments ),
3999
4000 // the master Deferred
4001 master = jQuery.Deferred(),
4002
4003 // subordinate callback factory
4004 updateFunc = function( i ) {
4005 return function( value ) {
4006 resolveContexts[ i ] = this;
4007 resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
4008 if ( !( --remaining ) ) {
4009 master.resolveWith( resolveContexts, resolveValues );
4010 }
4011 };
4012 };
4013
4014 // Single- and empty arguments are adopted like Promise.resolve
4015 if ( remaining <= 1 ) {
4016 adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
4017 !remaining );
4018
4019 // Use .then() to unwrap secondary thenables (cf. gh-3000)
4020 if ( master.state() === "pending" ||
4021 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
4022
4023 return master.then();
4024 }
4025 }
4026
4027 // Multiple arguments are aggregated like Promise.all array elements
4028 while ( i-- ) {
4029 adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
4030 }
4031
4032 return master.promise();
4033 }
4034 } );
4035
4036
4037 // These usually indicate a programmer mistake during development,
4038 // warn about them ASAP rather than swallowing them by default.
4039 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
4040
4041 jQuery.Deferred.exceptionHook = function( error, stack ) {
4042
4043 // Support: IE 8 - 9 only
4044 // Console exists when dev tools are open, which can happen at any time
4045 if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
4046 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
4047 }
4048 };
4049
4050
4051
4052
4053 jQuery.readyException = function( error ) {
4054 window.setTimeout( function() {
4055 throw error;
4056 } );
4057 };
4058
4059
4060
4061
4062 // The deferred used on DOM ready
4063 var readyList = jQuery.Deferred();
4064
4065 jQuery.fn.ready = function( fn ) {
4066
4067 readyList
4068 .then( fn )
4069
4070 // Wrap jQuery.readyException in a function so that the lookup
4071 // happens at the time of error handling instead of callback
4072 // registration.
4073 .catch( function( error ) {
4074 jQuery.readyException( error );
4075 } );
4076
4077 return this;
4078 };
4079
4080 jQuery.extend( {
4081
4082 // Is the DOM ready to be used? Set to true once it occurs.
4083 isReady: false,
4084
4085 // A counter to track how many items to wait for before
4086 // the ready event fires. See #6781
4087 readyWait: 1,
4088
4089 // Handle when the DOM is ready
4090 ready: function( wait ) {
4091
4092 // Abort if there are pending holds or we're already ready
4093 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
4094 return;
4095 }
4096
4097 // Remember that the DOM is ready
4098 jQuery.isReady = true;
4099
4100 // If a normal DOM Ready event fired, decrement, and wait if need be
4101 if ( wait !== true && --jQuery.readyWait > 0 ) {
4102 return;
4103 }
4104
4105 // If there are functions bound, to execute
4106 readyList.resolveWith( document, [ jQuery ] );
4107 }
4108 } );
4109
4110 jQuery.ready.then = readyList.then;
4111
4112 // The ready event handler and self cleanup method
4113 function completed() {
4114 document.removeEventListener( "DOMContentLoaded", completed );
4115 window.removeEventListener( "load", completed );
4116 jQuery.ready();
4117 }
4118
4119 // Catch cases where $(document).ready() is called
4120 // after the browser event has already occurred.
4121 // Support: IE <=9 - 10 only
4122 // Older IE sometimes signals "interactive" too soon
4123 if ( document.readyState === "complete" ||
4124 ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
4125
4126 // Handle it asynchronously to allow scripts the opportunity to delay ready
4127 window.setTimeout( jQuery.ready );
4128
4129 } else {
4130
4131 // Use the handy event callback
4132 document.addEventListener( "DOMContentLoaded", completed );
4133
4134 // A fallback to window.onload, that will always work
4135 window.addEventListener( "load", completed );
4136 }
4137
4138
4139
4140
4141 // Multifunctional method to get and set values of a collection
4142 // The value/s can optionally be executed if it's a function
4143 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4144 var i = 0,
4145 len = elems.length,
4146 bulk = key == null;
4147
4148 // Sets many values
4149 if ( toType( key ) === "object" ) {
4150 chainable = true;
4151 for ( i in key ) {
4152 access( elems, fn, i, key[ i ], true, emptyGet, raw );
4153 }
4154
4155 // Sets one value
4156 } else if ( value !== undefined ) {
4157 chainable = true;
4158
4159 if ( !isFunction( value ) ) {
4160 raw = true;
4161 }
4162
4163 if ( bulk ) {
4164
4165 // Bulk operations run against the entire set
4166 if ( raw ) {
4167 fn.call( elems, value );
4168 fn = null;
4169
4170 // ...except when executing function values
4171 } else {
4172 bulk = fn;
4173 fn = function( elem, _key, value ) {
4174 return bulk.call( jQuery( elem ), value );
4175 };
4176 }
4177 }
4178
4179 if ( fn ) {
4180 for ( ; i < len; i++ ) {
4181 fn(
4182 elems[ i ], key, raw ?
4183 value :
4184 value.call( elems[ i ], i, fn( elems[ i ], key ) )
4185 );
4186 }
4187 }
4188 }
4189
4190 if ( chainable ) {
4191 return elems;
4192 }
4193
4194 // Gets
4195 if ( bulk ) {
4196 return fn.call( elems );
4197 }
4198
4199 return len ? fn( elems[ 0 ], key ) : emptyGet;
4200 };
4201
4202
4203 // Matches dashed string for camelizing
4204 var rmsPrefix = /^-ms-/,
4205 rdashAlpha = /-([a-z])/g;
4206
4207 // Used by camelCase as callback to replace()
4208 function fcamelCase( _all, letter ) {
4209 return letter.toUpperCase();
4210 }
4211
4212 // Convert dashed to camelCase; used by the css and data modules
4213 // Support: IE <=9 - 11, Edge 12 - 15
4214 // Microsoft forgot to hump their vendor prefix (#9572)
4215 function camelCase( string ) {
4216 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4217 }
4218 var acceptData = function( owner ) {
4219
4220 // Accepts only:
4221 // - Node
4222 // - Node.ELEMENT_NODE
4223 // - Node.DOCUMENT_NODE
4224 // - Object
4225 // - Any
4226 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4227 };
4228
4229
4230
4231
4232 function Data() {
4233 this.expando = jQuery.expando + Data.uid++;
4234 }
4235
4236 Data.uid = 1;
4237
4238 Data.prototype = {
4239
4240 cache: function( owner ) {
4241
4242 // Check if the owner object already has a cache
4243 var value = owner[ this.expando ];
4244
4245 // If not, create one
4246 if ( !value ) {
4247 value = {};
4248
4249 // We can accept data for non-element nodes in modern browsers,
4250 // but we should not, see #8335.
4251 // Always return an empty object.
4252 if ( acceptData( owner ) ) {
4253
4254 // If it is a node unlikely to be stringify-ed or looped over
4255 // use plain assignment
4256 if ( owner.nodeType ) {
4257 owner[ this.expando ] = value;
4258
4259 // Otherwise secure it in a non-enumerable property
4260 // configurable must be true to allow the property to be
4261 // deleted when data is removed
4262 } else {
4263 Object.defineProperty( owner, this.expando, {
4264 value: value,
4265 configurable: true
4266 } );
4267 }
4268 }
4269 }
4270
4271 return value;
4272 },
4273 set: function( owner, data, value ) {
4274 var prop,
4275 cache = this.cache( owner );
4276
4277 // Handle: [ owner, key, value ] args
4278 // Always use camelCase key (gh-2257)
4279 if ( typeof data === "string" ) {
4280 cache[ camelCase( data ) ] = value;
4281
4282 // Handle: [ owner, { properties } ] args
4283 } else {
4284
4285 // Copy the properties one-by-one to the cache object
4286 for ( prop in data ) {
4287 cache[ camelCase( prop ) ] = data[ prop ];
4288 }
4289 }
4290 return cache;
4291 },
4292 get: function( owner, key ) {
4293 return key === undefined ?
4294 this.cache( owner ) :
4295
4296 // Always use camelCase key (gh-2257)
4297 owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4298 },
4299 access: function( owner, key, value ) {
4300
4301 // In cases where either:
4302 //
4303 // 1. No key was specified
4304 // 2. A string key was specified, but no value provided
4305 //
4306 // Take the "read" path and allow the get method to determine
4307 // which value to return, respectively either:
4308 //
4309 // 1. The entire cache object
4310 // 2. The data stored at the key
4311 //
4312 if ( key === undefined ||
4313 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4314
4315 return this.get( owner, key );
4316 }
4317
4318 // When the key is not a string, or both a key and value
4319 // are specified, set or extend (existing objects) with either:
4320 //
4321 // 1. An object of properties
4322 // 2. A key and value
4323 //
4324 this.set( owner, key, value );
4325
4326 // Since the "set" path can have two possible entry points
4327 // return the expected data based on which path was taken[*]
4328 return value !== undefined ? value : key;
4329 },
4330 remove: function( owner, key ) {
4331 var i,
4332 cache = owner[ this.expando ];
4333
4334 if ( cache === undefined ) {
4335 return;
4336 }
4337
4338 if ( key !== undefined ) {
4339
4340 // Support array or space separated string of keys
4341 if ( Array.isArray( key ) ) {
4342
4343 // If key is an array of keys...
4344 // We always set camelCase keys, so remove that.
4345 key = key.map( camelCase );
4346 } else {
4347 key = camelCase( key );
4348
4349 // If a key with the spaces exists, use it.
4350 // Otherwise, create an array by matching non-whitespace
4351 key = key in cache ?
4352 [ key ] :
4353 ( key.match( rnothtmlwhite ) || [] );
4354 }
4355
4356 i = key.length;
4357
4358 while ( i-- ) {
4359 delete cache[ key[ i ] ];
4360 }
4361 }
4362
4363 // Remove the expando if there's no more data
4364 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4365
4366 // Support: Chrome <=35 - 45
4367 // Webkit & Blink performance suffers when deleting properties
4368 // from DOM nodes, so set to undefined instead
4369 // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4370 if ( owner.nodeType ) {
4371 owner[ this.expando ] = undefined;
4372 } else {
4373 delete owner[ this.expando ];
4374 }
4375 }
4376 },
4377 hasData: function( owner ) {
4378 var cache = owner[ this.expando ];
4379 return cache !== undefined && !jQuery.isEmptyObject( cache );
4380 }
4381 };
4382 var dataPriv = new Data();
4383
4384 var dataUser = new Data();
4385
4386
4387
4388 // Implementation Summary
4389 //
4390 // 1. Enforce API surface and semantic compatibility with 1.9.x branch
4391 // 2. Improve the module's maintainability by reducing the storage
4392 // paths to a single mechanism.
4393 // 3. Use the same single mechanism to support "private" and "user" data.
4394 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4395 // 5. Avoid exposing implementation details on user objects (eg. expando properties)
4396 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
4397
4398 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4399 rmultiDash = /[A-Z]/g;
4400
4401 function getData( data ) {
4402 if ( data === "true" ) {
4403 return true;
4404 }
4405
4406 if ( data === "false" ) {
4407 return false;
4408 }
4409
4410 if ( data === "null" ) {
4411 return null;
4412 }
4413
4414 // Only convert to a number if it doesn't change the string
4415 if ( data === +data + "" ) {
4416 return +data;
4417 }
4418
4419 if ( rbrace.test( data ) ) {
4420 return JSON.parse( data );
4421 }
4422
4423 return data;
4424 }
4425
4426 function dataAttr( elem, key, data ) {
4427 var name;
4428
4429 // If nothing was found internally, try to fetch any
4430 // data from the HTML5 data-* attribute
4431 if ( data === undefined && elem.nodeType === 1 ) {
4432 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4433 data = elem.getAttribute( name );
4434
4435 if ( typeof data === "string" ) {
4436 try {
4437 data = getData( data );
4438 } catch ( e ) {}
4439
4440 // Make sure we set the data so it isn't changed later
4441 dataUser.set( elem, key, data );
4442 } else {
4443 data = undefined;
4444 }
4445 }
4446 return data;
4447 }
4448
4449 jQuery.extend( {
4450 hasData: function( elem ) {
4451 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4452 },
4453
4454 data: function( elem, name, data ) {
4455 return dataUser.access( elem, name, data );
4456 },
4457
4458 removeData: function( elem, name ) {
4459 dataUser.remove( elem, name );
4460 },
4461
4462 // TODO: Now that all calls to _data and _removeData have been replaced
4463 // with direct calls to dataPriv methods, these can be deprecated.
4464 _data: function( elem, name, data ) {
4465 return dataPriv.access( elem, name, data );
4466 },
4467
4468 _removeData: function( elem, name ) {
4469 dataPriv.remove( elem, name );
4470 }
4471 } );
4472
4473 jQuery.fn.extend( {
4474 data: function( key, value ) {
4475 var i, name, data,
4476 elem = this[ 0 ],
4477 attrs = elem && elem.attributes;
4478
4479 // Gets all values
4480 if ( key === undefined ) {
4481 if ( this.length ) {
4482 data = dataUser.get( elem );
4483
4484 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4485 i = attrs.length;
4486 while ( i-- ) {
4487
4488 // Support: IE 11 only
4489 // The attrs elements can be null (#14894)
4490 if ( attrs[ i ] ) {
4491 name = attrs[ i ].name;
4492 if ( name.indexOf( "data-" ) === 0 ) {
4493 name = camelCase( name.slice( 5 ) );
4494 dataAttr( elem, name, data[ name ] );
4495 }
4496 }
4497 }
4498 dataPriv.set( elem, "hasDataAttrs", true );
4499 }
4500 }
4501
4502 return data;
4503 }
4504
4505 // Sets multiple values
4506 if ( typeof key === "object" ) {
4507 return this.each( function() {
4508 dataUser.set( this, key );
4509 } );
4510 }
4511
4512 return access( this, function( value ) {
4513 var data;
4514
4515 // The calling jQuery object (element matches) is not empty
4516 // (and therefore has an element appears at this[ 0 ]) and the
4517 // `value` parameter was not undefined. An empty jQuery object
4518 // will result in `undefined` for elem = this[ 0 ] which will
4519 // throw an exception if an attempt to read a data cache is made.
4520 if ( elem && value === undefined ) {
4521
4522 // Attempt to get data from the cache
4523 // The key will always be camelCased in Data
4524 data = dataUser.get( elem, key );
4525 if ( data !== undefined ) {
4526 return data;
4527 }
4528
4529 // Attempt to "discover" the data in
4530 // HTML5 custom data-* attrs
4531 data = dataAttr( elem, key );
4532 if ( data !== undefined ) {
4533 return data;
4534 }
4535
4536 // We tried really hard, but the data doesn't exist.
4537 return;
4538 }
4539
4540 // Set the data...
4541 this.each( function() {
4542
4543 // We always store the camelCased key
4544 dataUser.set( this, key, value );
4545 } );
4546 }, null, value, arguments.length > 1, null, true );
4547 },
4548
4549 removeData: function( key ) {
4550 return this.each( function() {
4551 dataUser.remove( this, key );
4552 } );
4553 }
4554 } );
4555
4556
4557 jQuery.extend( {
4558 queue: function( elem, type, data ) {
4559 var queue;
4560
4561 if ( elem ) {
4562 type = ( type || "fx" ) + "queue";
4563 queue = dataPriv.get( elem, type );
4564
4565 // Speed up dequeue by getting out quickly if this is just a lookup
4566 if ( data ) {
4567 if ( !queue || Array.isArray( data ) ) {
4568 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4569 } else {
4570 queue.push( data );
4571 }
4572 }
4573 return queue || [];
4574 }
4575 },
4576
4577 dequeue: function( elem, type ) {
4578 type = type || "fx";
4579
4580 var queue = jQuery.queue( elem, type ),
4581 startLength = queue.length,
4582 fn = queue.shift(),
4583 hooks = jQuery._queueHooks( elem, type ),
4584 next = function() {
4585 jQuery.dequeue( elem, type );
4586 };
4587
4588 // If the fx queue is dequeued, always remove the progress sentinel
4589 if ( fn === "inprogress" ) {
4590 fn = queue.shift();
4591 startLength--;
4592 }
4593
4594 if ( fn ) {
4595
4596 // Add a progress sentinel to prevent the fx queue from being
4597 // automatically dequeued
4598 if ( type === "fx" ) {
4599 queue.unshift( "inprogress" );
4600 }
4601
4602 // Clear up the last queue stop function
4603 delete hooks.stop;
4604 fn.call( elem, next, hooks );
4605 }
4606
4607 if ( !startLength && hooks ) {
4608 hooks.empty.fire();
4609 }
4610 },
4611
4612 // Not public - generate a queueHooks object, or return the current one
4613 _queueHooks: function( elem, type ) {
4614 var key = type + "queueHooks";
4615 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4616 empty: jQuery.Callbacks( "once memory" ).add( function() {
4617 dataPriv.remove( elem, [ type + "queue", key ] );
4618 } )
4619 } );
4620 }
4621 } );
4622
4623 jQuery.fn.extend( {
4624 queue: function( type, data ) {
4625 var setter = 2;
4626
4627 if ( typeof type !== "string" ) {
4628 data = type;
4629 type = "fx";
4630 setter--;
4631 }
4632
4633 if ( arguments.length < setter ) {
4634 return jQuery.queue( this[ 0 ], type );
4635 }
4636
4637 return data === undefined ?
4638 this :
4639 this.each( function() {
4640 var queue = jQuery.queue( this, type, data );
4641
4642 // Ensure a hooks for this queue
4643 jQuery._queueHooks( this, type );
4644
4645 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4646 jQuery.dequeue( this, type );
4647 }
4648 } );
4649 },
4650 dequeue: function( type ) {
4651 return this.each( function() {
4652 jQuery.dequeue( this, type );
4653 } );
4654 },
4655 clearQueue: function( type ) {
4656 return this.queue( type || "fx", [] );
4657 },
4658
4659 // Get a promise resolved when queues of a certain type
4660 // are emptied (fx is the type by default)
4661 promise: function( type, obj ) {
4662 var tmp,
4663 count = 1,
4664 defer = jQuery.Deferred(),
4665 elements = this,
4666 i = this.length,
4667 resolve = function() {
4668 if ( !( --count ) ) {
4669 defer.resolveWith( elements, [ elements ] );
4670 }
4671 };
4672
4673 if ( typeof type !== "string" ) {
4674 obj = type;
4675 type = undefined;
4676 }
4677 type = type || "fx";
4678
4679 while ( i-- ) {
4680 tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4681 if ( tmp && tmp.empty ) {
4682 count++;
4683 tmp.empty.add( resolve );
4684 }
4685 }
4686 resolve();
4687 return defer.promise( obj );
4688 }
4689 } );
4690 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4691
4692 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4693
4694
4695 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4696
4697 var documentElement = document.documentElement;
4698
4699
4700
4701 var isAttached = function( elem ) {
4702 return jQuery.contains( elem.ownerDocument, elem );
4703 },
4704 composed = { composed: true };
4705
4706 // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4707 // Check attachment across shadow DOM boundaries when possible (gh-3504)
4708 // Support: iOS 10.0-10.2 only
4709 // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4710 // leading to errors. We need to check for `getRootNode`.
4711 if ( documentElement.getRootNode ) {
4712 isAttached = function( elem ) {
4713 return jQuery.contains( elem.ownerDocument, elem ) ||
4714 elem.getRootNode( composed ) === elem.ownerDocument;
4715 };
4716 }
4717 var isHiddenWithinTree = function( elem, el ) {
4718
4719 // isHiddenWithinTree might be called from jQuery#filter function;
4720 // in that case, element will be second argument
4721 elem = el || elem;
4722
4723 // Inline style trumps all
4724 return elem.style.display === "none" ||
4725 elem.style.display === "" &&
4726
4727 // Otherwise, check computed style
4728 // Support: Firefox <=43 - 45
4729 // Disconnected elements can have computed display: none, so first confirm that elem is
4730 // in the document.
4731 isAttached( elem ) &&
4732
4733 jQuery.css( elem, "display" ) === "none";
4734 };
4735
4736
4737
4738 function adjustCSS( elem, prop, valueParts, tween ) {
4739 var adjusted, scale,
4740 maxIterations = 20,
4741 currentValue = tween ?
4742 function() {
4743 return tween.cur();
4744 } :
4745 function() {
4746 return jQuery.css( elem, prop, "" );
4747 },
4748 initial = currentValue(),
4749 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4750
4751 // Starting value computation is required for potential unit mismatches
4752 initialInUnit = elem.nodeType &&
4753 ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4754 rcssNum.exec( jQuery.css( elem, prop ) );
4755
4756 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4757
4758 // Support: Firefox <=54
4759 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4760 initial = initial / 2;
4761
4762 // Trust units reported by jQuery.css
4763 unit = unit || initialInUnit[ 3 ];
4764
4765 // Iteratively approximate from a nonzero starting point
4766 initialInUnit = +initial || 1;
4767
4768 while ( maxIterations-- ) {
4769
4770 // Evaluate and update our best guess (doubling guesses that zero out).
4771 // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4772 jQuery.style( elem, prop, initialInUnit + unit );
4773 if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4774 maxIterations = 0;
4775 }
4776 initialInUnit = initialInUnit / scale;
4777
4778 }
4779
4780 initialInUnit = initialInUnit * 2;
4781 jQuery.style( elem, prop, initialInUnit + unit );
4782
4783 // Make sure we update the tween properties later on
4784 valueParts = valueParts || [];
4785 }
4786
4787 if ( valueParts ) {
4788 initialInUnit = +initialInUnit || +initial || 0;
4789
4790 // Apply relative offset (+=/-=) if specified
4791 adjusted = valueParts[ 1 ] ?
4792 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4793 +valueParts[ 2 ];
4794 if ( tween ) {
4795 tween.unit = unit;
4796 tween.start = initialInUnit;
4797 tween.end = adjusted;
4798 }
4799 }
4800 return adjusted;
4801 }
4802
4803
4804 var defaultDisplayMap = {};
4805
4806 function getDefaultDisplay( elem ) {
4807 var temp,
4808 doc = elem.ownerDocument,
4809 nodeName = elem.nodeName,
4810 display = defaultDisplayMap[ nodeName ];
4811
4812 if ( display ) {
4813 return display;
4814 }
4815
4816 temp = doc.body.appendChild( doc.createElement( nodeName ) );
4817 display = jQuery.css( temp, "display" );
4818
4819 temp.parentNode.removeChild( temp );
4820
4821 if ( display === "none" ) {
4822 display = "block";
4823 }
4824 defaultDisplayMap[ nodeName ] = display;
4825
4826 return display;
4827 }
4828
4829 function showHide( elements, show ) {
4830 var display, elem,
4831 values = [],
4832 index = 0,
4833 length = elements.length;
4834
4835 // Determine new display value for elements that need to change
4836 for ( ; index < length; index++ ) {
4837 elem = elements[ index ];
4838 if ( !elem.style ) {
4839 continue;
4840 }
4841
4842 display = elem.style.display;
4843 if ( show ) {
4844
4845 // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4846 // check is required in this first loop unless we have a nonempty display value (either
4847 // inline or about-to-be-restored)
4848 if ( display === "none" ) {
4849 values[ index ] = dataPriv.get( elem, "display" ) || null;
4850 if ( !values[ index ] ) {
4851 elem.style.display = "";
4852 }
4853 }
4854 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4855 values[ index ] = getDefaultDisplay( elem );
4856 }
4857 } else {
4858 if ( display !== "none" ) {
4859 values[ index ] = "none";
4860
4861 // Remember what we're overwriting
4862 dataPriv.set( elem, "display", display );
4863 }
4864 }
4865 }
4866
4867 // Set the display of the elements in a second loop to avoid constant reflow
4868 for ( index = 0; index < length; index++ ) {
4869 if ( values[ index ] != null ) {
4870 elements[ index ].style.display = values[ index ];
4871 }
4872 }
4873
4874 return elements;
4875 }
4876
4877 jQuery.fn.extend( {
4878 show: function() {
4879 return showHide( this, true );
4880 },
4881 hide: function() {
4882 return showHide( this );
4883 },
4884 toggle: function( state ) {
4885 if ( typeof state === "boolean" ) {
4886 return state ? this.show() : this.hide();
4887 }
4888
4889 return this.each( function() {
4890 if ( isHiddenWithinTree( this ) ) {
4891 jQuery( this ).show();
4892 } else {
4893 jQuery( this ).hide();
4894 }
4895 } );
4896 }
4897 } );
4898 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4899
4900 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4901
4902 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4903
4904
4905
4906 ( function() {
4907 var fragment = document.createDocumentFragment(),
4908 div = fragment.appendChild( document.createElement( "div" ) ),
4909 input = document.createElement( "input" );
4910
4911 // Support: Android 4.0 - 4.3 only
4912 // Check state lost if the name is set (#11217)
4913 // Support: Windows Web Apps (WWA)
4914 // `name` and `type` must use .setAttribute for WWA (#14901)
4915 input.setAttribute( "type", "radio" );
4916 input.setAttribute( "checked", "checked" );
4917 input.setAttribute( "name", "t" );
4918
4919 div.appendChild( input );
4920
4921 // Support: Android <=4.1 only
4922 // Older WebKit doesn't clone checked state correctly in fragments
4923 support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4924
4925 // Support: IE <=11 only
4926 // Make sure textarea (and checkbox) defaultValue is properly cloned
4927 div.innerHTML = "<textarea>x</textarea>";
4928 support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4929
4930 // Support: IE <=9 only
4931 // IE <=9 replaces <option> tags with their contents when inserted outside of
4932 // the select element.
4933 div.innerHTML = "<option></option>";
4934 support.option = !!div.lastChild;
4935 } )();
4936
4937
4938 // We have to close these tags to support XHTML (#13200)
4939 var wrapMap = {
4940
4941 // XHTML parsers do not magically insert elements in the
4942 // same way that tag soup parsers do. So we cannot shorten
4943 // this by omitting <tbody> or other required elements.
4944 thead: [ 1, "<table>", "</table>" ],
4945 col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4946 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4947 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4948
4949 _default: [ 0, "", "" ]
4950 };
4951
4952 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4953 wrapMap.th = wrapMap.td;
4954
4955 // Support: IE <=9 only
4956 if ( !support.option ) {
4957 wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ];
4958 }
4959
4960
4961 function getAll( context, tag ) {
4962
4963 // Support: IE <=9 - 11 only
4964 // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4965 var ret;
4966
4967 if ( typeof context.getElementsByTagName !== "undefined" ) {
4968 ret = context.getElementsByTagName( tag || "*" );
4969
4970 } else if ( typeof context.querySelectorAll !== "undefined" ) {
4971 ret = context.querySelectorAll( tag || "*" );
4972
4973 } else {
4974 ret = [];
4975 }
4976
4977 if ( tag === undefined || tag && nodeName( context, tag ) ) {
4978 return jQuery.merge( [ context ], ret );
4979 }
4980
4981 return ret;
4982 }
4983
4984
4985 // Mark scripts as having already been evaluated
4986 function setGlobalEval( elems, refElements ) {
4987 var i = 0,
4988 l = elems.length;
4989
4990 for ( ; i < l; i++ ) {
4991 dataPriv.set(
4992 elems[ i ],
4993 "globalEval",
4994 !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4995 );
4996 }
4997 }
4998
4999
5000 var rhtml = /<|&#?\w+;/;
5001
5002 function buildFragment( elems, context, scripts, selection, ignored ) {
5003 var elem, tmp, tag, wrap, attached, j,
5004 fragment = context.createDocumentFragment(),
5005 nodes = [],
5006 i = 0,
5007 l = elems.length;
5008
5009 for ( ; i < l; i++ ) {
5010 elem = elems[ i ];
5011
5012 if ( elem || elem === 0 ) {
5013
5014 // Add nodes directly
5015 if ( toType( elem ) === "object" ) {
5016
5017 // Support: Android <=4.0 only, PhantomJS 1 only
5018 // push.apply(_, arraylike) throws on ancient WebKit
5019 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5020
5021 // Convert non-html into a text node
5022 } else if ( !rhtml.test( elem ) ) {
5023 nodes.push( context.createTextNode( elem ) );
5024
5025 // Convert html into DOM nodes
5026 } else {
5027 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
5028
5029 // Deserialize a standard representation
5030 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
5031 wrap = wrapMap[ tag ] || wrapMap._default;
5032 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
5033
5034 // Descend through wrappers to the right content
5035 j = wrap[ 0 ];
5036 while ( j-- ) {
5037 tmp = tmp.lastChild;
5038 }
5039
5040 // Support: Android <=4.0 only, PhantomJS 1 only
5041 // push.apply(_, arraylike) throws on ancient WebKit
5042 jQuery.merge( nodes, tmp.childNodes );
5043
5044 // Remember the top-level container
5045 tmp = fragment.firstChild;
5046
5047 // Ensure the created nodes are orphaned (#12392)
5048 tmp.textContent = "";
5049 }
5050 }
5051 }
5052
5053 // Remove wrapper from fragment
5054 fragment.textContent = "";
5055
5056 i = 0;
5057 while ( ( elem = nodes[ i++ ] ) ) {
5058
5059 // Skip elements already in the context collection (trac-4087)
5060 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
5061 if ( ignored ) {
5062 ignored.push( elem );
5063 }
5064 continue;
5065 }
5066
5067 attached = isAttached( elem );
5068
5069 // Append to fragment
5070 tmp = getAll( fragment.appendChild( elem ), "script" );
5071
5072 // Preserve script evaluation history
5073 if ( attached ) {
5074 setGlobalEval( tmp );
5075 }
5076
5077 // Capture executables
5078 if ( scripts ) {
5079 j = 0;
5080 while ( ( elem = tmp[ j++ ] ) ) {
5081 if ( rscriptType.test( elem.type || "" ) ) {
5082 scripts.push( elem );
5083 }
5084 }
5085 }
5086 }
5087
5088 return fragment;
5089 }
5090
5091
5092 var
5093 rkeyEvent = /^key/,
5094 rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
5095 rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
5096
5097 function returnTrue() {
5098 return true;
5099 }
5100
5101 function returnFalse() {
5102 return false;
5103 }
5104
5105 // Support: IE <=9 - 11+
5106 // focus() and blur() are asynchronous, except when they are no-op.
5107 // So expect focus to be synchronous when the element is already active,
5108 // and blur to be synchronous when the element is not already active.
5109 // (focus and blur are always synchronous in other supported browsers,
5110 // this just defines when we can count on it).
5111 function expectSync( elem, type ) {
5112 return ( elem === safeActiveElement() ) === ( type === "focus" );
5113 }
5114
5115 // Support: IE <=9 only
5116 // Accessing document.activeElement can throw unexpectedly
5117 // https://bugs.jquery.com/ticket/13393
5118 function safeActiveElement() {
5119 try {
5120 return document.activeElement;
5121 } catch ( err ) { }
5122 }
5123
5124 function on( elem, types, selector, data, fn, one ) {
5125 var origFn, type;
5126
5127 // Types can be a map of types/handlers
5128 if ( typeof types === "object" ) {
5129
5130 // ( types-Object, selector, data )
5131 if ( typeof selector !== "string" ) {
5132
5133 // ( types-Object, data )
5134 data = data || selector;
5135 selector = undefined;
5136 }
5137 for ( type in types ) {
5138 on( elem, type, selector, data, types[ type ], one );
5139 }
5140 return elem;
5141 }
5142
5143 if ( data == null && fn == null ) {
5144
5145 // ( types, fn )
5146 fn = selector;
5147 data = selector = undefined;
5148 } else if ( fn == null ) {
5149 if ( typeof selector === "string" ) {
5150
5151 // ( types, selector, fn )
5152 fn = data;
5153 data = undefined;
5154 } else {
5155
5156 // ( types, data, fn )
5157 fn = data;
5158 data = selector;
5159 selector = undefined;
5160 }
5161 }
5162 if ( fn === false ) {
5163 fn = returnFalse;
5164 } else if ( !fn ) {
5165 return elem;
5166 }
5167
5168 if ( one === 1 ) {
5169 origFn = fn;
5170 fn = function( event ) {
5171
5172 // Can use an empty set, since event contains the info
5173 jQuery().off( event );
5174 return origFn.apply( this, arguments );
5175 };
5176
5177 // Use same guid so caller can remove using origFn
5178 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5179 }
5180 return elem.each( function() {
5181 jQuery.event.add( this, types, fn, data, selector );
5182 } );
5183 }
5184
5185 /*
5186 * Helper functions for managing events -- not part of the public interface.
5187 * Props to Dean Edwards' addEvent library for many of the ideas.
5188 */
5189 jQuery.event = {
5190
5191 global: {},
5192
5193 add: function( elem, types, handler, data, selector ) {
5194
5195 var handleObjIn, eventHandle, tmp,
5196 events, t, handleObj,
5197 special, handlers, type, namespaces, origType,
5198 elemData = dataPriv.get( elem );
5199
5200 // Only attach events to objects that accept data
5201 if ( !acceptData( elem ) ) {
5202 return;
5203 }
5204
5205 // Caller can pass in an object of custom data in lieu of the handler
5206 if ( handler.handler ) {
5207 handleObjIn = handler;
5208 handler = handleObjIn.handler;
5209 selector = handleObjIn.selector;
5210 }
5211
5212 // Ensure that invalid selectors throw exceptions at attach time
5213 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
5214 if ( selector ) {
5215 jQuery.find.matchesSelector( documentElement, selector );
5216 }
5217
5218 // Make sure that the handler has a unique ID, used to find/remove it later
5219 if ( !handler.guid ) {
5220 handler.guid = jQuery.guid++;
5221 }
5222
5223 // Init the element's event structure and main handler, if this is the first
5224 if ( !( events = elemData.events ) ) {
5225 events = elemData.events = Object.create( null );
5226 }
5227 if ( !( eventHandle = elemData.handle ) ) {
5228 eventHandle = elemData.handle = function( e ) {
5229
5230 // Discard the second event of a jQuery.event.trigger() and
5231 // when an event is called after a page has unloaded
5232 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5233 jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5234 };
5235 }
5236
5237 // Handle multiple events separated by a space
5238 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5239 t = types.length;
5240 while ( t-- ) {
5241 tmp = rtypenamespace.exec( types[ t ] ) || [];
5242 type = origType = tmp[ 1 ];
5243 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5244
5245 // There *must* be a type, no attaching namespace-only handlers
5246 if ( !type ) {
5247 continue;
5248 }
5249
5250 // If event changes its type, use the special event handlers for the changed type
5251 special = jQuery.event.special[ type ] || {};
5252
5253 // If selector defined, determine special event api type, otherwise given type
5254 type = ( selector ? special.delegateType : special.bindType ) || type;
5255
5256 // Update special based on newly reset type
5257 special = jQuery.event.special[ type ] || {};
5258
5259 // handleObj is passed to all event handlers
5260 handleObj = jQuery.extend( {
5261 type: type,
5262 origType: origType,
5263 data: data,
5264 handler: handler,
5265 guid: handler.guid,
5266 selector: selector,
5267 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5268 namespace: namespaces.join( "." )
5269 }, handleObjIn );
5270
5271 // Init the event handler queue if we're the first
5272 if ( !( handlers = events[ type ] ) ) {
5273 handlers = events[ type ] = [];
5274 handlers.delegateCount = 0;
5275
5276 // Only use addEventListener if the special events handler returns false
5277 if ( !special.setup ||
5278 special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5279
5280 if ( elem.addEventListener ) {
5281 elem.addEventListener( type, eventHandle );
5282 }
5283 }
5284 }
5285
5286 if ( special.add ) {
5287 special.add.call( elem, handleObj );
5288
5289 if ( !handleObj.handler.guid ) {
5290 handleObj.handler.guid = handler.guid;
5291 }
5292 }
5293
5294 // Add to the element's handler list, delegates in front
5295 if ( selector ) {
5296 handlers.splice( handlers.delegateCount++, 0, handleObj );
5297 } else {
5298 handlers.push( handleObj );
5299 }
5300
5301 // Keep track of which events have ever been used, for event optimization
5302 jQuery.event.global[ type ] = true;
5303 }
5304
5305 },
5306
5307 // Detach an event or set of events from an element
5308 remove: function( elem, types, handler, selector, mappedTypes ) {
5309
5310 var j, origCount, tmp,
5311 events, t, handleObj,
5312 special, handlers, type, namespaces, origType,
5313 elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5314
5315 if ( !elemData || !( events = elemData.events ) ) {
5316 return;
5317 }
5318
5319 // Once for each type.namespace in types; type may be omitted
5320 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5321 t = types.length;
5322 while ( t-- ) {
5323 tmp = rtypenamespace.exec( types[ t ] ) || [];
5324 type = origType = tmp[ 1 ];
5325 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5326
5327 // Unbind all events (on this namespace, if provided) for the element
5328 if ( !type ) {
5329 for ( type in events ) {
5330 jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5331 }
5332 continue;
5333 }
5334
5335 special = jQuery.event.special[ type ] || {};
5336 type = ( selector ? special.delegateType : special.bindType ) || type;
5337 handlers = events[ type ] || [];
5338 tmp = tmp[ 2 ] &&
5339 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5340
5341 // Remove matching events
5342 origCount = j = handlers.length;
5343 while ( j-- ) {
5344 handleObj = handlers[ j ];
5345
5346 if ( ( mappedTypes || origType === handleObj.origType ) &&
5347 ( !handler || handler.guid === handleObj.guid ) &&
5348 ( !tmp || tmp.test( handleObj.namespace ) ) &&
5349 ( !selector || selector === handleObj.selector ||
5350 selector === "**" && handleObj.selector ) ) {
5351 handlers.splice( j, 1 );
5352
5353 if ( handleObj.selector ) {
5354 handlers.delegateCount--;
5355 }
5356 if ( special.remove ) {
5357 special.remove.call( elem, handleObj );
5358 }
5359 }
5360 }
5361
5362 // Remove generic event handler if we removed something and no more handlers exist
5363 // (avoids potential for endless recursion during removal of special event handlers)
5364 if ( origCount && !handlers.length ) {
5365 if ( !special.teardown ||
5366 special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5367
5368 jQuery.removeEvent( elem, type, elemData.handle );
5369 }
5370
5371 delete events[ type ];
5372 }
5373 }
5374
5375 // Remove data and the expando if it's no longer used
5376 if ( jQuery.isEmptyObject( events ) ) {
5377 dataPriv.remove( elem, "handle events" );
5378 }
5379 },
5380
5381 dispatch: function( nativeEvent ) {
5382
5383 var i, j, ret, matched, handleObj, handlerQueue,
5384 args = new Array( arguments.length ),
5385
5386 // Make a writable jQuery.Event from the native event object
5387 event = jQuery.event.fix( nativeEvent ),
5388
5389 handlers = (
5390 dataPriv.get( this, "events" ) || Object.create( null )
5391 )[ event.type ] || [],
5392 special = jQuery.event.special[ event.type ] || {};
5393
5394 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5395 args[ 0 ] = event;
5396
5397 for ( i = 1; i < arguments.length; i++ ) {
5398 args[ i ] = arguments[ i ];
5399 }
5400
5401 event.delegateTarget = this;
5402
5403 // Call the preDispatch hook for the mapped type, and let it bail if desired
5404 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5405 return;
5406 }
5407
5408 // Determine handlers
5409 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5410
5411 // Run delegates first; they may want to stop propagation beneath us
5412 i = 0;
5413 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5414 event.currentTarget = matched.elem;
5415
5416 j = 0;
5417 while ( ( handleObj = matched.handlers[ j++ ] ) &&
5418 !event.isImmediatePropagationStopped() ) {
5419
5420 // If the event is namespaced, then each handler is only invoked if it is
5421 // specially universal or its namespaces are a superset of the event's.
5422 if ( !event.rnamespace || handleObj.namespace === false ||
5423 event.rnamespace.test( handleObj.namespace ) ) {
5424
5425 event.handleObj = handleObj;
5426 event.data = handleObj.data;
5427
5428 ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5429 handleObj.handler ).apply( matched.elem, args );
5430
5431 if ( ret !== undefined ) {
5432 if ( ( event.result = ret ) === false ) {
5433 event.preventDefault();
5434 event.stopPropagation();
5435 }
5436 }
5437 }
5438 }
5439 }
5440
5441 // Call the postDispatch hook for the mapped type
5442 if ( special.postDispatch ) {
5443 special.postDispatch.call( this, event );
5444 }
5445
5446 return event.result;
5447 },
5448
5449 handlers: function( event, handlers ) {
5450 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5451 handlerQueue = [],
5452 delegateCount = handlers.delegateCount,
5453 cur = event.target;
5454
5455 // Find delegate handlers
5456 if ( delegateCount &&
5457
5458 // Support: IE <=9
5459 // Black-hole SVG <use> instance trees (trac-13180)
5460 cur.nodeType &&
5461
5462 // Support: Firefox <=42
5463 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5464 // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5465 // Support: IE 11 only
5466 // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5467 !( event.type === "click" && event.button >= 1 ) ) {
5468
5469 for ( ; cur !== this; cur = cur.parentNode || this ) {
5470
5471 // Don't check non-elements (#13208)
5472 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5473 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5474 matchedHandlers = [];
5475 matchedSelectors = {};
5476 for ( i = 0; i < delegateCount; i++ ) {
5477 handleObj = handlers[ i ];
5478
5479 // Don't conflict with Object.prototype properties (#13203)
5480 sel = handleObj.selector + " ";
5481
5482 if ( matchedSelectors[ sel ] === undefined ) {
5483 matchedSelectors[ sel ] = handleObj.needsContext ?
5484 jQuery( sel, this ).index( cur ) > -1 :
5485 jQuery.find( sel, this, null, [ cur ] ).length;
5486 }
5487 if ( matchedSelectors[ sel ] ) {
5488 matchedHandlers.push( handleObj );
5489 }
5490 }
5491 if ( matchedHandlers.length ) {
5492 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5493 }
5494 }
5495 }
5496 }
5497
5498 // Add the remaining (directly-bound) handlers
5499 cur = this;
5500 if ( delegateCount < handlers.length ) {
5501 handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5502 }
5503
5504 return handlerQueue;
5505 },
5506
5507 addProp: function( name, hook ) {
5508 Object.defineProperty( jQuery.Event.prototype, name, {
5509 enumerable: true,
5510 configurable: true,
5511
5512 get: isFunction( hook ) ?
5513 function() {
5514 if ( this.originalEvent ) {
5515 return hook( this.originalEvent );
5516 }
5517 } :
5518 function() {
5519 if ( this.originalEvent ) {
5520 return this.originalEvent[ name ];
5521 }
5522 },
5523
5524 set: function( value ) {
5525 Object.defineProperty( this, name, {
5526 enumerable: true,
5527 configurable: true,
5528 writable: true,
5529 value: value
5530 } );
5531 }
5532 } );
5533 },
5534
5535 fix: function( originalEvent ) {
5536 return originalEvent[ jQuery.expando ] ?
5537 originalEvent :
5538 new jQuery.Event( originalEvent );
5539 },
5540
5541 special: {
5542 load: {
5543
5544 // Prevent triggered image.load events from bubbling to window.load
5545 noBubble: true
5546 },
5547 click: {
5548
5549 // Utilize native event to ensure correct state for checkable inputs
5550 setup: function( data ) {
5551
5552 // For mutual compressibility with _default, replace `this` access with a local var.
5553 // `|| data` is dead code meant only to preserve the variable through minification.
5554 var el = this || data;
5555
5556 // Claim the first handler
5557 if ( rcheckableType.test( el.type ) &&
5558 el.click && nodeName( el, "input" ) ) {
5559
5560 // dataPriv.set( el, "click", ... )
5561 leverageNative( el, "click", returnTrue );
5562 }
5563
5564 // Return false to allow normal processing in the caller
5565 return false;
5566 },
5567 trigger: function( data ) {
5568
5569 // For mutual compressibility with _default, replace `this` access with a local var.
5570 // `|| data` is dead code meant only to preserve the variable through minification.
5571 var el = this || data;
5572
5573 // Force setup before triggering a click
5574 if ( rcheckableType.test( el.type ) &&
5575 el.click && nodeName( el, "input" ) ) {
5576
5577 leverageNative( el, "click" );
5578 }
5579
5580 // Return non-false to allow normal event-path propagation
5581 return true;
5582 },
5583
5584 // For cross-browser consistency, suppress native .click() on links
5585 // Also prevent it if we're currently inside a leveraged native-event stack
5586 _default: function( event ) {
5587 var target = event.target;
5588 return rcheckableType.test( target.type ) &&
5589 target.click && nodeName( target, "input" ) &&
5590 dataPriv.get( target, "click" ) ||
5591 nodeName( target, "a" );
5592 }
5593 },
5594
5595 beforeunload: {
5596 postDispatch: function( event ) {
5597
5598 // Support: Firefox 20+
5599 // Firefox doesn't alert if the returnValue field is not set.
5600 if ( event.result !== undefined && event.originalEvent ) {
5601 event.originalEvent.returnValue = event.result;
5602 }
5603 }
5604 }
5605 }
5606 };
5607
5608 // Ensure the presence of an event listener that handles manually-triggered
5609 // synthetic events by interrupting progress until reinvoked in response to
5610 // *native* events that it fires directly, ensuring that state changes have
5611 // already occurred before other listeners are invoked.
5612 function leverageNative( el, type, expectSync ) {
5613
5614 // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5615 if ( !expectSync ) {
5616 if ( dataPriv.get( el, type ) === undefined ) {
5617 jQuery.event.add( el, type, returnTrue );
5618 }
5619 return;
5620 }
5621
5622 // Register the controller as a special universal handler for all event namespaces
5623 dataPriv.set( el, type, false );
5624 jQuery.event.add( el, type, {
5625 namespace: false,
5626 handler: function( event ) {
5627 var notAsync, result,
5628 saved = dataPriv.get( this, type );
5629
5630 if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5631
5632 // Interrupt processing of the outer synthetic .trigger()ed event
5633 // Saved data should be false in such cases, but might be a leftover capture object
5634 // from an async native handler (gh-4350)
5635 if ( !saved.length ) {
5636
5637 // Store arguments for use when handling the inner native event
5638 // There will always be at least one argument (an event object), so this array
5639 // will not be confused with a leftover capture object.
5640 saved = slice.call( arguments );
5641 dataPriv.set( this, type, saved );
5642
5643 // Trigger the native event and capture its result
5644 // Support: IE <=9 - 11+
5645 // focus() and blur() are asynchronous
5646 notAsync = expectSync( this, type );
5647 this[ type ]();
5648 result = dataPriv.get( this, type );
5649 if ( saved !== result || notAsync ) {
5650 dataPriv.set( this, type, false );
5651 } else {
5652 result = {};
5653 }
5654 if ( saved !== result ) {
5655
5656 // Cancel the outer synthetic event
5657 event.stopImmediatePropagation();
5658 event.preventDefault();
5659 return result.value;
5660 }
5661
5662 // If this is an inner synthetic event for an event with a bubbling surrogate
5663 // (focus or blur), assume that the surrogate already propagated from triggering the
5664 // native event and prevent that from happening again here.
5665 // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5666 // bubbling surrogate propagates *after* the non-bubbling base), but that seems
5667 // less bad than duplication.
5668 } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5669 event.stopPropagation();
5670 }
5671
5672 // If this is a native event triggered above, everything is now in order
5673 // Fire an inner synthetic event with the original arguments
5674 } else if ( saved.length ) {
5675
5676 // ...and capture the result
5677 dataPriv.set( this, type, {
5678 value: jQuery.event.trigger(
5679
5680 // Support: IE <=9 - 11+
5681 // Extend with the prototype to reset the above stopImmediatePropagation()
5682 jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5683 saved.slice( 1 ),
5684 this
5685 )
5686 } );
5687
5688 // Abort handling of the native event
5689 event.stopImmediatePropagation();
5690 }
5691 }
5692 } );
5693 }
5694
5695 jQuery.removeEvent = function( elem, type, handle ) {
5696
5697 // This "if" is needed for plain objects
5698 if ( elem.removeEventListener ) {
5699 elem.removeEventListener( type, handle );
5700 }
5701 };
5702
5703 jQuery.Event = function( src, props ) {
5704
5705 // Allow instantiation without the 'new' keyword
5706 if ( !( this instanceof jQuery.Event ) ) {
5707 return new jQuery.Event( src, props );
5708 }
5709
5710 // Event object
5711 if ( src && src.type ) {
5712 this.originalEvent = src;
5713 this.type = src.type;
5714
5715 // Events bubbling up the document may have been marked as prevented
5716 // by a handler lower down the tree; reflect the correct value.
5717 this.isDefaultPrevented = src.defaultPrevented ||
5718 src.defaultPrevented === undefined &&
5719
5720 // Support: Android <=2.3 only
5721 src.returnValue === false ?
5722 returnTrue :
5723 returnFalse;
5724
5725 // Create target properties
5726 // Support: Safari <=6 - 7 only
5727 // Target should not be a text node (#504, #13143)
5728 this.target = ( src.target && src.target.nodeType === 3 ) ?
5729 src.target.parentNode :
5730 src.target;
5731
5732 this.currentTarget = src.currentTarget;
5733 this.relatedTarget = src.relatedTarget;
5734
5735 // Event type
5736 } else {
5737 this.type = src;
5738 }
5739
5740 // Put explicitly provided properties onto the event object
5741 if ( props ) {
5742 jQuery.extend( this, props );
5743 }
5744
5745 // Create a timestamp if incoming event doesn't have one
5746 this.timeStamp = src && src.timeStamp || Date.now();
5747
5748 // Mark it as fixed
5749 this[ jQuery.expando ] = true;
5750 };
5751
5752 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5753 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5754 jQuery.Event.prototype = {
5755 constructor: jQuery.Event,
5756 isDefaultPrevented: returnFalse,
5757 isPropagationStopped: returnFalse,
5758 isImmediatePropagationStopped: returnFalse,
5759 isSimulated: false,
5760
5761 preventDefault: function() {
5762 var e = this.originalEvent;
5763
5764 this.isDefaultPrevented = returnTrue;
5765
5766 if ( e && !this.isSimulated ) {
5767 e.preventDefault();
5768 }
5769 },
5770 stopPropagation: function() {
5771 var e = this.originalEvent;
5772
5773 this.isPropagationStopped = returnTrue;
5774
5775 if ( e && !this.isSimulated ) {
5776 e.stopPropagation();
5777 }
5778 },
5779 stopImmediatePropagation: function() {
5780 var e = this.originalEvent;
5781
5782 this.isImmediatePropagationStopped = returnTrue;
5783
5784 if ( e && !this.isSimulated ) {
5785 e.stopImmediatePropagation();
5786 }
5787
5788 this.stopPropagation();
5789 }
5790 };
5791
5792 // Includes all common event props including KeyEvent and MouseEvent specific props
5793 jQuery.each( {
5794 altKey: true,
5795 bubbles: true,
5796 cancelable: true,
5797 changedTouches: true,
5798 ctrlKey: true,
5799 detail: true,
5800 eventPhase: true,
5801 metaKey: true,
5802 pageX: true,
5803 pageY: true,
5804 shiftKey: true,
5805 view: true,
5806 "char": true,
5807 code: true,
5808 charCode: true,
5809 key: true,
5810 keyCode: true,
5811 button: true,
5812 buttons: true,
5813 clientX: true,
5814 clientY: true,
5815 offsetX: true,
5816 offsetY: true,
5817 pointerId: true,
5818 pointerType: true,
5819 screenX: true,
5820 screenY: true,
5821 targetTouches: true,
5822 toElement: true,
5823 touches: true,
5824
5825 which: function( event ) {
5826 var button = event.button;
5827
5828 // Add which for key events
5829 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5830 return event.charCode != null ? event.charCode : event.keyCode;
5831 }
5832
5833 // Add which for click: 1 === left; 2 === middle; 3 === right
5834 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5835 if ( button & 1 ) {
5836 return 1;
5837 }
5838
5839 if ( button & 2 ) {
5840 return 3;
5841 }
5842
5843 if ( button & 4 ) {
5844 return 2;
5845 }
5846
5847 return 0;
5848 }
5849
5850 return event.which;
5851 }
5852 }, jQuery.event.addProp );
5853
5854 jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5855 jQuery.event.special[ type ] = {
5856
5857 // Utilize native event if possible so blur/focus sequence is correct
5858 setup: function() {
5859
5860 // Claim the first handler
5861 // dataPriv.set( this, "focus", ... )
5862 // dataPriv.set( this, "blur", ... )
5863 leverageNative( this, type, expectSync );
5864
5865 // Return false to allow normal processing in the caller
5866 return false;
5867 },
5868 trigger: function() {
5869
5870 // Force setup before trigger
5871 leverageNative( this, type );
5872
5873 // Return non-false to allow normal event-path propagation
5874 return true;
5875 },
5876
5877 delegateType: delegateType
5878 };
5879 } );
5880
5881 // Create mouseenter/leave events using mouseover/out and event-time checks
5882 // so that event delegation works in jQuery.
5883 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5884 //
5885 // Support: Safari 7 only
5886 // Safari sends mouseenter too often; see:
5887 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5888 // for the description of the bug (it existed in older Chrome versions as well).
5889 jQuery.each( {
5890 mouseenter: "mouseover",
5891 mouseleave: "mouseout",
5892 pointerenter: "pointerover",
5893 pointerleave: "pointerout"
5894 }, function( orig, fix ) {
5895 jQuery.event.special[ orig ] = {
5896 delegateType: fix,
5897 bindType: fix,
5898
5899 handle: function( event ) {
5900 var ret,
5901 target = this,
5902 related = event.relatedTarget,
5903 handleObj = event.handleObj;
5904
5905 // For mouseenter/leave call the handler if related is outside the target.
5906 // NB: No relatedTarget if the mouse left/entered the browser window
5907 if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5908 event.type = handleObj.origType;
5909 ret = handleObj.handler.apply( this, arguments );
5910 event.type = fix;
5911 }
5912 return ret;
5913 }
5914 };
5915 } );
5916
5917 jQuery.fn.extend( {
5918
5919 on: function( types, selector, data, fn ) {
5920 return on( this, types, selector, data, fn );
5921 },
5922 one: function( types, selector, data, fn ) {
5923 return on( this, types, selector, data, fn, 1 );
5924 },
5925 off: function( types, selector, fn ) {
5926 var handleObj, type;
5927 if ( types && types.preventDefault && types.handleObj ) {
5928
5929 // ( event ) dispatched jQuery.Event
5930 handleObj = types.handleObj;
5931 jQuery( types.delegateTarget ).off(
5932 handleObj.namespace ?
5933 handleObj.origType + "." + handleObj.namespace :
5934 handleObj.origType,
5935 handleObj.selector,
5936 handleObj.handler
5937 );
5938 return this;
5939 }
5940 if ( typeof types === "object" ) {
5941
5942 // ( types-object [, selector] )
5943 for ( type in types ) {
5944 this.off( type, selector, types[ type ] );
5945 }
5946 return this;
5947 }
5948 if ( selector === false || typeof selector === "function" ) {
5949
5950 // ( types [, fn] )
5951 fn = selector;
5952 selector = undefined;
5953 }
5954 if ( fn === false ) {
5955 fn = returnFalse;
5956 }
5957 return this.each( function() {
5958 jQuery.event.remove( this, types, fn, selector );
5959 } );
5960 }
5961 } );
5962
5963
5964 var
5965
5966 // Support: IE <=10 - 11, Edge 12 - 13 only
5967 // In IE/Edge using regex groups here causes severe slowdowns.
5968 // See https://connect.microsoft.com/IE/feedback/details/1736512/
5969 rnoInnerhtml = /<script|<style|<link/i,
5970
5971 // checked="checked" or checked
5972 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5973 rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5974
5975 // Prefer a tbody over its parent table for containing new rows
5976 function manipulationTarget( elem, content ) {
5977 if ( nodeName( elem, "table" ) &&
5978 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5979
5980 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5981 }
5982
5983 return elem;
5984 }
5985
5986 // Replace/restore the type attribute of script elements for safe DOM manipulation
5987 function disableScript( elem ) {
5988 elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5989 return elem;
5990 }
5991 function restoreScript( elem ) {
5992 if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5993 elem.type = elem.type.slice( 5 );
5994 } else {
5995 elem.removeAttribute( "type" );
5996 }
5997
5998 return elem;
5999 }
6000
6001 function cloneCopyEvent( src, dest ) {
6002 var i, l, type, pdataOld, udataOld, udataCur, events;
6003
6004 if ( dest.nodeType !== 1 ) {
6005 return;
6006 }
6007
6008 // 1. Copy private data: events, handlers, etc.
6009 if ( dataPriv.hasData( src ) ) {
6010 pdataOld = dataPriv.get( src );
6011 events = pdataOld.events;
6012
6013 if ( events ) {
6014 dataPriv.remove( dest, "handle events" );
6015
6016 for ( type in events ) {
6017 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6018 jQuery.event.add( dest, type, events[ type ][ i ] );
6019 }
6020 }
6021 }
6022 }
6023
6024 // 2. Copy user data
6025 if ( dataUser.hasData( src ) ) {
6026 udataOld = dataUser.access( src );
6027 udataCur = jQuery.extend( {}, udataOld );
6028
6029 dataUser.set( dest, udataCur );
6030 }
6031 }
6032
6033 // Fix IE bugs, see support tests
6034 function fixInput( src, dest ) {
6035 var nodeName = dest.nodeName.toLowerCase();
6036
6037 // Fails to persist the checked state of a cloned checkbox or radio button.
6038 if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
6039 dest.checked = src.checked;
6040
6041 // Fails to return the selected option to the default selected state when cloning options
6042 } else if ( nodeName === "input" || nodeName === "textarea" ) {
6043 dest.defaultValue = src.defaultValue;
6044 }
6045 }
6046
6047 function domManip( collection, args, callback, ignored ) {
6048
6049 // Flatten any nested arrays
6050 args = flat( args );
6051
6052 var fragment, first, scripts, hasScripts, node, doc,
6053 i = 0,
6054 l = collection.length,
6055 iNoClone = l - 1,
6056 value = args[ 0 ],
6057 valueIsFunction = isFunction( value );
6058
6059 // We can't cloneNode fragments that contain checked, in WebKit
6060 if ( valueIsFunction ||
6061 ( l > 1 && typeof value === "string" &&
6062 !support.checkClone && rchecked.test( value ) ) ) {
6063 return collection.each( function( index ) {
6064 var self = collection.eq( index );
6065 if ( valueIsFunction ) {
6066 args[ 0 ] = value.call( this, index, self.html() );
6067 }
6068 domManip( self, args, callback, ignored );
6069 } );
6070 }
6071
6072 if ( l ) {
6073 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
6074 first = fragment.firstChild;
6075
6076 if ( fragment.childNodes.length === 1 ) {
6077 fragment = first;
6078 }
6079
6080 // Require either new content or an interest in ignored elements to invoke the callback
6081 if ( first || ignored ) {
6082 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
6083 hasScripts = scripts.length;
6084
6085 // Use the original fragment for the last item
6086 // instead of the first because it can end up
6087 // being emptied incorrectly in certain situations (#8070).
6088 for ( ; i < l; i++ ) {
6089 node = fragment;
6090
6091 if ( i !== iNoClone ) {
6092 node = jQuery.clone( node, true, true );
6093
6094 // Keep references to cloned scripts for later restoration
6095 if ( hasScripts ) {
6096
6097 // Support: Android <=4.0 only, PhantomJS 1 only
6098 // push.apply(_, arraylike) throws on ancient WebKit
6099 jQuery.merge( scripts, getAll( node, "script" ) );
6100 }
6101 }
6102
6103 callback.call( collection[ i ], node, i );
6104 }
6105
6106 if ( hasScripts ) {
6107 doc = scripts[ scripts.length - 1 ].ownerDocument;
6108
6109 // Reenable scripts
6110 jQuery.map( scripts, restoreScript );
6111
6112 // Evaluate executable scripts on first document insertion
6113 for ( i = 0; i < hasScripts; i++ ) {
6114 node = scripts[ i ];
6115 if ( rscriptType.test( node.type || "" ) &&
6116 !dataPriv.access( node, "globalEval" ) &&
6117 jQuery.contains( doc, node ) ) {
6118
6119 if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) {
6120
6121 // Optional AJAX dependency, but won't run scripts if not present
6122 if ( jQuery._evalUrl && !node.noModule ) {
6123 jQuery._evalUrl( node.src, {
6124 nonce: node.nonce || node.getAttribute( "nonce" )
6125 }, doc );
6126 }
6127 } else {
6128 DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
6129 }
6130 }
6131 }
6132 }
6133 }
6134 }
6135
6136 return collection;
6137 }
6138
6139 function remove( elem, selector, keepData ) {
6140 var node,
6141 nodes = selector ? jQuery.filter( selector, elem ) : elem,
6142 i = 0;
6143
6144 for ( ; ( node = nodes[ i ] ) != null; i++ ) {
6145 if ( !keepData && node.nodeType === 1 ) {
6146 jQuery.cleanData( getAll( node ) );
6147 }
6148
6149 if ( node.parentNode ) {
6150 if ( keepData && isAttached( node ) ) {
6151 setGlobalEval( getAll( node, "script" ) );
6152 }
6153 node.parentNode.removeChild( node );
6154 }
6155 }
6156
6157 return elem;
6158 }
6159
6160 jQuery.extend( {
6161 htmlPrefilter: function( html ) {
6162 return html;
6163 },
6164
6165 clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6166 var i, l, srcElements, destElements,
6167 clone = elem.cloneNode( true ),
6168 inPage = isAttached( elem );
6169
6170 // Fix IE cloning issues
6171 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
6172 !jQuery.isXMLDoc( elem ) ) {
6173
6174 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
6175 destElements = getAll( clone );
6176 srcElements = getAll( elem );
6177
6178 for ( i = 0, l = srcElements.length; i < l; i++ ) {
6179 fixInput( srcElements[ i ], destElements[ i ] );
6180 }
6181 }
6182
6183 // Copy the events from the original to the clone
6184 if ( dataAndEvents ) {
6185 if ( deepDataAndEvents ) {
6186 srcElements = srcElements || getAll( elem );
6187 destElements = destElements || getAll( clone );
6188
6189 for ( i = 0, l = srcElements.length; i < l; i++ ) {
6190 cloneCopyEvent( srcElements[ i ], destElements[ i ] );
6191 }
6192 } else {
6193 cloneCopyEvent( elem, clone );
6194 }
6195 }
6196
6197 // Preserve script evaluation history
6198 destElements = getAll( clone, "script" );
6199 if ( destElements.length > 0 ) {
6200 setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6201 }
6202
6203 // Return the cloned set
6204 return clone;
6205 },
6206
6207 cleanData: function( elems ) {
6208 var data, elem, type,
6209 special = jQuery.event.special,
6210 i = 0;
6211
6212 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
6213 if ( acceptData( elem ) ) {
6214 if ( ( data = elem[ dataPriv.expando ] ) ) {
6215 if ( data.events ) {
6216 for ( type in data.events ) {
6217 if ( special[ type ] ) {
6218 jQuery.event.remove( elem, type );
6219
6220 // This is a shortcut to avoid jQuery.event.remove's overhead
6221 } else {
6222 jQuery.removeEvent( elem, type, data.handle );
6223 }
6224 }
6225 }
6226
6227 // Support: Chrome <=35 - 45+
6228 // Assign undefined instead of using delete, see Data#remove
6229 elem[ dataPriv.expando ] = undefined;
6230 }
6231 if ( elem[ dataUser.expando ] ) {
6232
6233 // Support: Chrome <=35 - 45+
6234 // Assign undefined instead of using delete, see Data#remove
6235 elem[ dataUser.expando ] = undefined;
6236 }
6237 }
6238 }
6239 }
6240 } );
6241
6242 jQuery.fn.extend( {
6243 detach: function( selector ) {
6244 return remove( this, selector, true );
6245 },
6246
6247 remove: function( selector ) {
6248 return remove( this, selector );
6249 },
6250
6251 text: function( value ) {
6252 return access( this, function( value ) {
6253 return value === undefined ?
6254 jQuery.text( this ) :
6255 this.empty().each( function() {
6256 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6257 this.textContent = value;
6258 }
6259 } );
6260 }, null, value, arguments.length );
6261 },
6262
6263 append: function() {
6264 return domManip( this, arguments, function( elem ) {
6265 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6266 var target = manipulationTarget( this, elem );
6267 target.appendChild( elem );
6268 }
6269 } );
6270 },
6271
6272 prepend: function() {
6273 return domManip( this, arguments, function( elem ) {
6274 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6275 var target = manipulationTarget( this, elem );
6276 target.insertBefore( elem, target.firstChild );
6277 }
6278 } );
6279 },
6280
6281 before: function() {
6282 return domManip( this, arguments, function( elem ) {
6283 if ( this.parentNode ) {
6284 this.parentNode.insertBefore( elem, this );
6285 }
6286 } );
6287 },
6288
6289 after: function() {
6290 return domManip( this, arguments, function( elem ) {
6291 if ( this.parentNode ) {
6292 this.parentNode.insertBefore( elem, this.nextSibling );
6293 }
6294 } );
6295 },
6296
6297 empty: function() {
6298 var elem,
6299 i = 0;
6300
6301 for ( ; ( elem = this[ i ] ) != null; i++ ) {
6302 if ( elem.nodeType === 1 ) {
6303
6304 // Prevent memory leaks
6305 jQuery.cleanData( getAll( elem, false ) );
6306
6307 // Remove any remaining nodes
6308 elem.textContent = "";
6309 }
6310 }
6311
6312 return this;
6313 },
6314
6315 clone: function( dataAndEvents, deepDataAndEvents ) {
6316 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6317 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6318
6319 return this.map( function() {
6320 return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6321 } );
6322 },
6323
6324 html: function( value ) {
6325 return access( this, function( value ) {
6326 var elem = this[ 0 ] || {},
6327 i = 0,
6328 l = this.length;
6329
6330 if ( value === undefined && elem.nodeType === 1 ) {
6331 return elem.innerHTML;
6332 }
6333
6334 // See if we can take a shortcut and just use innerHTML
6335 if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6336 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
6337
6338 value = jQuery.htmlPrefilter( value );
6339
6340 try {
6341 for ( ; i < l; i++ ) {
6342 elem = this[ i ] || {};
6343
6344 // Remove element nodes and prevent memory leaks
6345 if ( elem.nodeType === 1 ) {
6346 jQuery.cleanData( getAll( elem, false ) );
6347 elem.innerHTML = value;
6348 }
6349 }
6350
6351 elem = 0;
6352
6353 // If using innerHTML throws an exception, use the fallback method
6354 } catch ( e ) {}
6355 }
6356
6357 if ( elem ) {
6358 this.empty().append( value );
6359 }
6360 }, null, value, arguments.length );
6361 },
6362
6363 replaceWith: function() {
6364 var ignored = [];
6365
6366 // Make the changes, replacing each non-ignored context element with the new content
6367 return domManip( this, arguments, function( elem ) {
6368 var parent = this.parentNode;
6369
6370 if ( jQuery.inArray( this, ignored ) < 0 ) {
6371 jQuery.cleanData( getAll( this ) );
6372 if ( parent ) {
6373 parent.replaceChild( elem, this );
6374 }
6375 }
6376
6377 // Force callback invocation
6378 }, ignored );
6379 }
6380 } );
6381
6382 jQuery.each( {
6383 appendTo: "append",
6384 prependTo: "prepend",
6385 insertBefore: "before",
6386 insertAfter: "after",
6387 replaceAll: "replaceWith"
6388 }, function( name, original ) {
6389 jQuery.fn[ name ] = function( selector ) {
6390 var elems,
6391 ret = [],
6392 insert = jQuery( selector ),
6393 last = insert.length - 1,
6394 i = 0;
6395
6396 for ( ; i <= last; i++ ) {
6397 elems = i === last ? this : this.clone( true );
6398 jQuery( insert[ i ] )[ original ]( elems );
6399
6400 // Support: Android <=4.0 only, PhantomJS 1 only
6401 // .get() because push.apply(_, arraylike) throws on ancient WebKit
6402 push.apply( ret, elems.get() );
6403 }
6404
6405 return this.pushStack( ret );
6406 };
6407 } );
6408 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6409
6410 var getStyles = function( elem ) {
6411
6412 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6413 // IE throws on elements created in popups
6414 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6415 var view = elem.ownerDocument.defaultView;
6416
6417 if ( !view || !view.opener ) {
6418 view = window;
6419 }
6420
6421 return view.getComputedStyle( elem );
6422 };
6423
6424 var swap = function( elem, options, callback ) {
6425 var ret, name,
6426 old = {};
6427
6428 // Remember the old values, and insert the new ones
6429 for ( name in options ) {
6430 old[ name ] = elem.style[ name ];
6431 elem.style[ name ] = options[ name ];
6432 }
6433
6434 ret = callback.call( elem );
6435
6436 // Revert the old values
6437 for ( name in options ) {
6438 elem.style[ name ] = old[ name ];
6439 }
6440
6441 return ret;
6442 };
6443
6444
6445 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6446
6447
6448
6449 ( function() {
6450
6451 // Executing both pixelPosition & boxSizingReliable tests require only one layout
6452 // so they're executed at the same time to save the second computation.
6453 function computeStyleTests() {
6454
6455 // This is a singleton, we need to execute it only once
6456 if ( !div ) {
6457 return;
6458 }
6459
6460 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6461 "margin-top:1px;padding:0;border:0";
6462 div.style.cssText =
6463 "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6464 "margin:auto;border:1px;padding:1px;" +
6465 "width:60%;top:1%";
6466 documentElement.appendChild( container ).appendChild( div );
6467
6468 var divStyle = window.getComputedStyle( div );
6469 pixelPositionVal = divStyle.top !== "1%";
6470
6471 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6472 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6473
6474 // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6475 // Some styles come back with percentage values, even though they shouldn't
6476 div.style.right = "60%";
6477 pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6478
6479 // Support: IE 9 - 11 only
6480 // Detect misreporting of content dimensions for box-sizing:border-box elements
6481 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6482
6483 // Support: IE 9 only
6484 // Detect overflow:scroll screwiness (gh-3699)
6485 // Support: Chrome <=64
6486 // Don't get tricked when zoom affects offsetWidth (gh-4029)
6487 div.style.position = "absolute";
6488 scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
6489
6490 documentElement.removeChild( container );
6491
6492 // Nullify the div so it wouldn't be stored in the memory and
6493 // it will also be a sign that checks already performed
6494 div = null;
6495 }
6496
6497 function roundPixelMeasures( measure ) {
6498 return Math.round( parseFloat( measure ) );
6499 }
6500
6501 var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6502 reliableTrDimensionsVal, reliableMarginLeftVal,
6503 container = document.createElement( "div" ),
6504 div = document.createElement( "div" );
6505
6506 // Finish early in limited (non-browser) environments
6507 if ( !div.style ) {
6508 return;
6509 }
6510
6511 // Support: IE <=9 - 11 only
6512 // Style of cloned element affects source element cloned (#8908)
6513 div.style.backgroundClip = "content-box";
6514 div.cloneNode( true ).style.backgroundClip = "";
6515 support.clearCloneStyle = div.style.backgroundClip === "content-box";
6516
6517 jQuery.extend( support, {
6518 boxSizingReliable: function() {
6519 computeStyleTests();
6520 return boxSizingReliableVal;
6521 },
6522 pixelBoxStyles: function() {
6523 computeStyleTests();
6524 return pixelBoxStylesVal;
6525 },
6526 pixelPosition: function() {
6527 computeStyleTests();
6528 return pixelPositionVal;
6529 },
6530 reliableMarginLeft: function() {
6531 computeStyleTests();
6532 return reliableMarginLeftVal;
6533 },
6534 scrollboxSize: function() {
6535 computeStyleTests();
6536 return scrollboxSizeVal;
6537 },
6538
6539 // Support: IE 9 - 11+, Edge 15 - 18+
6540 // IE/Edge misreport `getComputedStyle` of table rows with width/height
6541 // set in CSS while `offset*` properties report correct values.
6542 // Behavior in IE 9 is more subtle than in newer versions & it passes
6543 // some versions of this test; make sure not to make it pass there!
6544 reliableTrDimensions: function() {
6545 var table, tr, trChild, trStyle;
6546 if ( reliableTrDimensionsVal == null ) {
6547 table = document.createElement( "table" );
6548 tr = document.createElement( "tr" );
6549 trChild = document.createElement( "div" );
6550
6551 table.style.cssText = "position:absolute;left:-11111px";
6552 tr.style.height = "1px";
6553 trChild.style.height = "9px";
6554
6555 documentElement
6556 .appendChild( table )
6557 .appendChild( tr )
6558 .appendChild( trChild );
6559
6560 trStyle = window.getComputedStyle( tr );
6561 reliableTrDimensionsVal = parseInt( trStyle.height ) > 3;
6562
6563 documentElement.removeChild( table );
6564 }
6565 return reliableTrDimensionsVal;
6566 }
6567 } );
6568 } )();
6569
6570
6571 function curCSS( elem, name, computed ) {
6572 var width, minWidth, maxWidth, ret,
6573
6574 // Support: Firefox 51+
6575 // Retrieving style before computed somehow
6576 // fixes an issue with getting wrong values
6577 // on detached elements
6578 style = elem.style;
6579
6580 computed = computed || getStyles( elem );
6581
6582 // getPropertyValue is needed for:
6583 // .css('filter') (IE 9 only, #12537)
6584 // .css('--customProperty) (#3144)
6585 if ( computed ) {
6586 ret = computed.getPropertyValue( name ) || computed[ name ];
6587
6588 if ( ret === "" && !isAttached( elem ) ) {
6589 ret = jQuery.style( elem, name );
6590 }
6591
6592 // A tribute to the "awesome hack by Dean Edwards"
6593 // Android Browser returns percentage for some values,
6594 // but width seems to be reliably pixels.
6595 // This is against the CSSOM draft spec:
6596 // https://drafts.csswg.org/cssom/#resolved-values
6597 if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6598
6599 // Remember the original values
6600 width = style.width;
6601 minWidth = style.minWidth;
6602 maxWidth = style.maxWidth;
6603
6604 // Put in the new values to get a computed value out
6605 style.minWidth = style.maxWidth = style.width = ret;
6606 ret = computed.width;
6607
6608 // Revert the changed values
6609 style.width = width;
6610 style.minWidth = minWidth;
6611 style.maxWidth = maxWidth;
6612 }
6613 }
6614
6615 return ret !== undefined ?
6616
6617 // Support: IE <=9 - 11 only
6618 // IE returns zIndex value as an integer.
6619 ret + "" :
6620 ret;
6621 }
6622
6623
6624 function addGetHookIf( conditionFn, hookFn ) {
6625
6626 // Define the hook, we'll check on the first run if it's really needed.
6627 return {
6628 get: function() {
6629 if ( conditionFn() ) {
6630
6631 // Hook not needed (or it's not possible to use it due
6632 // to missing dependency), remove it.
6633 delete this.get;
6634 return;
6635 }
6636
6637 // Hook needed; redefine it so that the support test is not executed again.
6638 return ( this.get = hookFn ).apply( this, arguments );
6639 }
6640 };
6641 }
6642
6643
6644 var cssPrefixes = [ "Webkit", "Moz", "ms" ],
6645 emptyStyle = document.createElement( "div" ).style,
6646 vendorProps = {};
6647
6648 // Return a vendor-prefixed property or undefined
6649 function vendorPropName( name ) {
6650
6651 // Check for vendor prefixed names
6652 var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6653 i = cssPrefixes.length;
6654
6655 while ( i-- ) {
6656 name = cssPrefixes[ i ] + capName;
6657 if ( name in emptyStyle ) {
6658 return name;
6659 }
6660 }
6661 }
6662
6663 // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6664 function finalPropName( name ) {
6665 var final = jQuery.cssProps[ name ] || vendorProps[ name ];
6666
6667 if ( final ) {
6668 return final;
6669 }
6670 if ( name in emptyStyle ) {
6671 return name;
6672 }
6673 return vendorProps[ name ] = vendorPropName( name ) || name;
6674 }
6675
6676
6677 var
6678
6679 // Swappable if display is none or starts with table
6680 // except "table", "table-cell", or "table-caption"
6681 // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6682 rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6683 rcustomProp = /^--/,
6684 cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6685 cssNormalTransform = {
6686 letterSpacing: "0",
6687 fontWeight: "400"
6688 };
6689
6690 function setPositiveNumber( _elem, value, subtract ) {
6691
6692 // Any relative (+/-) values have already been
6693 // normalized at this point
6694 var matches = rcssNum.exec( value );
6695 return matches ?
6696
6697 // Guard against undefined "subtract", e.g., when used as in cssHooks
6698 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6699 value;
6700 }
6701
6702 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6703 var i = dimension === "width" ? 1 : 0,
6704 extra = 0,
6705 delta = 0;
6706
6707 // Adjustment may not be necessary
6708 if ( box === ( isBorderBox ? "border" : "content" ) ) {
6709 return 0;
6710 }
6711
6712 for ( ; i < 4; i += 2 ) {
6713
6714 // Both box models exclude margin
6715 if ( box === "margin" ) {
6716 delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6717 }
6718
6719 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6720 if ( !isBorderBox ) {
6721
6722 // Add padding
6723 delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6724
6725 // For "border" or "margin", add border
6726 if ( box !== "padding" ) {
6727 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6728
6729 // But still keep track of it otherwise
6730 } else {
6731 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6732 }
6733
6734 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6735 // "padding" or "margin"
6736 } else {
6737
6738 // For "content", subtract padding
6739 if ( box === "content" ) {
6740 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6741 }
6742
6743 // For "content" or "padding", subtract border
6744 if ( box !== "margin" ) {
6745 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6746 }
6747 }
6748 }
6749
6750 // Account for positive content-box scroll gutter when requested by providing computedVal
6751 if ( !isBorderBox && computedVal >= 0 ) {
6752
6753 // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6754 // Assuming integer scroll gutter, subtract the rest and round down
6755 delta += Math.max( 0, Math.ceil(
6756 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6757 computedVal -
6758 delta -
6759 extra -
6760 0.5
6761
6762 // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
6763 // Use an explicit zero to avoid NaN (gh-3964)
6764 ) ) || 0;
6765 }
6766
6767 return delta;
6768 }
6769
6770 function getWidthOrHeight( elem, dimension, extra ) {
6771
6772 // Start with computed style
6773 var styles = getStyles( elem ),
6774
6775 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
6776 // Fake content-box until we know it's needed to know the true value.
6777 boxSizingNeeded = !support.boxSizingReliable() || extra,
6778 isBorderBox = boxSizingNeeded &&
6779 jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6780 valueIsBorderBox = isBorderBox,
6781
6782 val = curCSS( elem, dimension, styles ),
6783 offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
6784
6785 // Support: Firefox <=54
6786 // Return a confounding non-pixel value or feign ignorance, as appropriate.
6787 if ( rnumnonpx.test( val ) ) {
6788 if ( !extra ) {
6789 return val;
6790 }
6791 val = "auto";
6792 }
6793
6794
6795 // Support: IE 9 - 11 only
6796 // Use offsetWidth/offsetHeight for when box sizing is unreliable.
6797 // In those cases, the computed value can be trusted to be border-box.
6798 if ( ( !support.boxSizingReliable() && isBorderBox ||
6799
6800 // Support: IE 10 - 11+, Edge 15 - 18+
6801 // IE/Edge misreport `getComputedStyle` of table rows with width/height
6802 // set in CSS while `offset*` properties report correct values.
6803 // Interestingly, in some cases IE 9 doesn't suffer from this issue.
6804 !support.reliableTrDimensions() && nodeName( elem, "tr" ) ||
6805
6806 // Fall back to offsetWidth/offsetHeight when value is "auto"
6807 // This happens for inline elements with no explicit setting (gh-3571)
6808 val === "auto" ||
6809
6810 // Support: Android <=4.1 - 4.3 only
6811 // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6812 !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
6813
6814 // Make sure the element is visible & connected
6815 elem.getClientRects().length ) {
6816
6817 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6818
6819 // Where available, offsetWidth/offsetHeight approximate border box dimensions.
6820 // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
6821 // retrieved value as a content box dimension.
6822 valueIsBorderBox = offsetProp in elem;
6823 if ( valueIsBorderBox ) {
6824 val = elem[ offsetProp ];
6825 }
6826 }
6827
6828 // Normalize "" and auto
6829 val = parseFloat( val ) || 0;
6830
6831 // Adjust for the element's box model
6832 return ( val +
6833 boxModelAdjustment(
6834 elem,
6835 dimension,
6836 extra || ( isBorderBox ? "border" : "content" ),
6837 valueIsBorderBox,
6838 styles,
6839
6840 // Provide the current computed size to request scroll gutter calculation (gh-3589)
6841 val
6842 )
6843 ) + "px";
6844 }
6845
6846 jQuery.extend( {
6847
6848 // Add in style property hooks for overriding the default
6849 // behavior of getting and setting a style property
6850 cssHooks: {
6851 opacity: {
6852 get: function( elem, computed ) {
6853 if ( computed ) {
6854
6855 // We should always get a number back from opacity
6856 var ret = curCSS( elem, "opacity" );
6857 return ret === "" ? "1" : ret;
6858 }
6859 }
6860 }
6861 },
6862
6863 // Don't automatically add "px" to these possibly-unitless properties
6864 cssNumber: {
6865 "animationIterationCount": true,
6866 "columnCount": true,
6867 "fillOpacity": true,
6868 "flexGrow": true,
6869 "flexShrink": true,
6870 "fontWeight": true,
6871 "gridArea": true,
6872 "gridColumn": true,
6873 "gridColumnEnd": true,
6874 "gridColumnStart": true,
6875 "gridRow": true,
6876 "gridRowEnd": true,
6877 "gridRowStart": true,
6878 "lineHeight": true,
6879 "opacity": true,
6880 "order": true,
6881 "orphans": true,
6882 "widows": true,
6883 "zIndex": true,
6884 "zoom": true
6885 },
6886
6887 // Add in properties whose names you wish to fix before
6888 // setting or getting the value
6889 cssProps: {},
6890
6891 // Get and set the style property on a DOM Node
6892 style: function( elem, name, value, extra ) {
6893
6894 // Don't set styles on text and comment nodes
6895 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6896 return;
6897 }
6898
6899 // Make sure that we're working with the right name
6900 var ret, type, hooks,
6901 origName = camelCase( name ),
6902 isCustomProp = rcustomProp.test( name ),
6903 style = elem.style;
6904
6905 // Make sure that we're working with the right name. We don't
6906 // want to query the value if it is a CSS custom property
6907 // since they are user-defined.
6908 if ( !isCustomProp ) {
6909 name = finalPropName( origName );
6910 }
6911
6912 // Gets hook for the prefixed version, then unprefixed version
6913 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6914
6915 // Check if we're setting a value
6916 if ( value !== undefined ) {
6917 type = typeof value;
6918
6919 // Convert "+=" or "-=" to relative numbers (#7345)
6920 if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6921 value = adjustCSS( elem, name, ret );
6922
6923 // Fixes bug #9237
6924 type = "number";
6925 }
6926
6927 // Make sure that null and NaN values aren't set (#7116)
6928 if ( value == null || value !== value ) {
6929 return;
6930 }
6931
6932 // If a number was passed in, add the unit (except for certain CSS properties)
6933 // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
6934 // "px" to a few hardcoded values.
6935 if ( type === "number" && !isCustomProp ) {
6936 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6937 }
6938
6939 // background-* props affect original clone's values
6940 if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6941 style[ name ] = "inherit";
6942 }
6943
6944 // If a hook was provided, use that value, otherwise just set the specified value
6945 if ( !hooks || !( "set" in hooks ) ||
6946 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6947
6948 if ( isCustomProp ) {
6949 style.setProperty( name, value );
6950 } else {
6951 style[ name ] = value;
6952 }
6953 }
6954
6955 } else {
6956
6957 // If a hook was provided get the non-computed value from there
6958 if ( hooks && "get" in hooks &&
6959 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6960
6961 return ret;
6962 }
6963
6964 // Otherwise just get the value from the style object
6965 return style[ name ];
6966 }
6967 },
6968
6969 css: function( elem, name, extra, styles ) {
6970 var val, num, hooks,
6971 origName = camelCase( name ),
6972 isCustomProp = rcustomProp.test( name );
6973
6974 // Make sure that we're working with the right name. We don't
6975 // want to modify the value if it is a CSS custom property
6976 // since they are user-defined.
6977 if ( !isCustomProp ) {
6978 name = finalPropName( origName );
6979 }
6980
6981 // Try prefixed name followed by the unprefixed name
6982 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6983
6984 // If a hook was provided get the computed value from there
6985 if ( hooks && "get" in hooks ) {
6986 val = hooks.get( elem, true, extra );
6987 }
6988
6989 // Otherwise, if a way to get the computed value exists, use that
6990 if ( val === undefined ) {
6991 val = curCSS( elem, name, styles );
6992 }
6993
6994 // Convert "normal" to computed value
6995 if ( val === "normal" && name in cssNormalTransform ) {
6996 val = cssNormalTransform[ name ];
6997 }
6998
6999 // Make numeric if forced or a qualifier was provided and val looks numeric
7000 if ( extra === "" || extra ) {
7001 num = parseFloat( val );
7002 return extra === true || isFinite( num ) ? num || 0 : val;
7003 }
7004
7005 return val;
7006 }
7007 } );
7008
7009 jQuery.each( [ "height", "width" ], function( _i, dimension ) {
7010 jQuery.cssHooks[ dimension ] = {
7011 get: function( elem, computed, extra ) {
7012 if ( computed ) {
7013
7014 // Certain elements can have dimension info if we invisibly show them
7015 // but it must have a current display style that would benefit
7016 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
7017
7018 // Support: Safari 8+
7019 // Table columns in Safari have non-zero offsetWidth & zero
7020 // getBoundingClientRect().width unless display is changed.
7021 // Support: IE <=11 only
7022 // Running getBoundingClientRect on a disconnected node
7023 // in IE throws an error.
7024 ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
7025 swap( elem, cssShow, function() {
7026 return getWidthOrHeight( elem, dimension, extra );
7027 } ) :
7028 getWidthOrHeight( elem, dimension, extra );
7029 }
7030 },
7031
7032 set: function( elem, value, extra ) {
7033 var matches,
7034 styles = getStyles( elem ),
7035
7036 // Only read styles.position if the test has a chance to fail
7037 // to avoid forcing a reflow.
7038 scrollboxSizeBuggy = !support.scrollboxSize() &&
7039 styles.position === "absolute",
7040
7041 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
7042 boxSizingNeeded = scrollboxSizeBuggy || extra,
7043 isBorderBox = boxSizingNeeded &&
7044 jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
7045 subtract = extra ?
7046 boxModelAdjustment(
7047 elem,
7048 dimension,
7049 extra,
7050 isBorderBox,
7051 styles
7052 ) :
7053 0;
7054
7055 // Account for unreliable border-box dimensions by comparing offset* to computed and
7056 // faking a content-box to get border and padding (gh-3699)
7057 if ( isBorderBox && scrollboxSizeBuggy ) {
7058 subtract -= Math.ceil(
7059 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
7060 parseFloat( styles[ dimension ] ) -
7061 boxModelAdjustment( elem, dimension, "border", false, styles ) -
7062 0.5
7063 );
7064 }
7065
7066 // Convert to pixels if value adjustment is needed
7067 if ( subtract && ( matches = rcssNum.exec( value ) ) &&
7068 ( matches[ 3 ] || "px" ) !== "px" ) {
7069
7070 elem.style[ dimension ] = value;
7071 value = jQuery.css( elem, dimension );
7072 }
7073
7074 return setPositiveNumber( elem, value, subtract );
7075 }
7076 };
7077 } );
7078
7079 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
7080 function( elem, computed ) {
7081 if ( computed ) {
7082 return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
7083 elem.getBoundingClientRect().left -
7084 swap( elem, { marginLeft: 0 }, function() {
7085 return elem.getBoundingClientRect().left;
7086 } )
7087 ) + "px";
7088 }
7089 }
7090 );
7091
7092 // These hooks are used by animate to expand properties
7093 jQuery.each( {
7094 margin: "",
7095 padding: "",
7096 border: "Width"
7097 }, function( prefix, suffix ) {
7098 jQuery.cssHooks[ prefix + suffix ] = {
7099 expand: function( value ) {
7100 var i = 0,
7101 expanded = {},
7102
7103 // Assumes a single number if not a string
7104 parts = typeof value === "string" ? value.split( " " ) : [ value ];
7105
7106 for ( ; i < 4; i++ ) {
7107 expanded[ prefix + cssExpand[ i ] + suffix ] =
7108 parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
7109 }
7110
7111 return expanded;
7112 }
7113 };
7114
7115 if ( prefix !== "margin" ) {
7116 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
7117 }
7118 } );
7119
7120 jQuery.fn.extend( {
7121 css: function( name, value ) {
7122 return access( this, function( elem, name, value ) {
7123 var styles, len,
7124 map = {},
7125 i = 0;
7126
7127 if ( Array.isArray( name ) ) {
7128 styles = getStyles( elem );
7129 len = name.length;
7130
7131 for ( ; i < len; i++ ) {
7132 map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
7133 }
7134
7135 return map;
7136 }
7137
7138 return value !== undefined ?
7139 jQuery.style( elem, name, value ) :
7140 jQuery.css( elem, name );
7141 }, name, value, arguments.length > 1 );
7142 }
7143 } );
7144
7145
7146 function Tween( elem, options, prop, end, easing ) {
7147 return new Tween.prototype.init( elem, options, prop, end, easing );
7148 }
7149 jQuery.Tween = Tween;
7150
7151 Tween.prototype = {
7152 constructor: Tween,
7153 init: function( elem, options, prop, end, easing, unit ) {
7154 this.elem = elem;
7155 this.prop = prop;
7156 this.easing = easing || jQuery.easing._default;
7157 this.options = options;
7158 this.start = this.now = this.cur();
7159 this.end = end;
7160 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
7161 },
7162 cur: function() {
7163 var hooks = Tween.propHooks[ this.prop ];
7164
7165 return hooks && hooks.get ?
7166 hooks.get( this ) :
7167 Tween.propHooks._default.get( this );
7168 },
7169 run: function( percent ) {
7170 var eased,
7171 hooks = Tween.propHooks[ this.prop ];
7172
7173 if ( this.options.duration ) {
7174 this.pos = eased = jQuery.easing[ this.easing ](
7175 percent, this.options.duration * percent, 0, 1, this.options.duration
7176 );
7177 } else {
7178 this.pos = eased = percent;
7179 }
7180 this.now = ( this.end - this.start ) * eased + this.start;
7181
7182 if ( this.options.step ) {
7183 this.options.step.call( this.elem, this.now, this );
7184 }
7185
7186 if ( hooks && hooks.set ) {
7187 hooks.set( this );
7188 } else {
7189 Tween.propHooks._default.set( this );
7190 }
7191 return this;
7192 }
7193 };
7194
7195 Tween.prototype.init.prototype = Tween.prototype;
7196
7197 Tween.propHooks = {
7198 _default: {
7199 get: function( tween ) {
7200 var result;
7201
7202 // Use a property on the element directly when it is not a DOM element,
7203 // or when there is no matching style property that exists.
7204 if ( tween.elem.nodeType !== 1 ||
7205 tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
7206 return tween.elem[ tween.prop ];
7207 }
7208
7209 // Passing an empty string as a 3rd parameter to .css will automatically
7210 // attempt a parseFloat and fallback to a string if the parse fails.
7211 // Simple values such as "10px" are parsed to Float;
7212 // complex values such as "rotate(1rad)" are returned as-is.
7213 result = jQuery.css( tween.elem, tween.prop, "" );
7214
7215 // Empty strings, null, undefined and "auto" are converted to 0.
7216 return !result || result === "auto" ? 0 : result;
7217 },
7218 set: function( tween ) {
7219
7220 // Use step hook for back compat.
7221 // Use cssHook if its there.
7222 // Use .style if available and use plain properties where available.
7223 if ( jQuery.fx.step[ tween.prop ] ) {
7224 jQuery.fx.step[ tween.prop ]( tween );
7225 } else if ( tween.elem.nodeType === 1 && (
7226 jQuery.cssHooks[ tween.prop ] ||
7227 tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
7228 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
7229 } else {
7230 tween.elem[ tween.prop ] = tween.now;
7231 }
7232 }
7233 }
7234 };
7235
7236 // Support: IE <=9 only
7237 // Panic based approach to setting things on disconnected nodes
7238 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
7239 set: function( tween ) {
7240 if ( tween.elem.nodeType && tween.elem.parentNode ) {
7241 tween.elem[ tween.prop ] = tween.now;
7242 }
7243 }
7244 };
7245
7246 jQuery.easing = {
7247 linear: function( p ) {
7248 return p;
7249 },
7250 swing: function( p ) {
7251 return 0.5 - Math.cos( p * Math.PI ) / 2;
7252 },
7253 _default: "swing"
7254 };
7255
7256 jQuery.fx = Tween.prototype.init;
7257
7258 // Back compat <1.8 extension point
7259 jQuery.fx.step = {};
7260
7261
7262
7263
7264 var
7265 fxNow, inProgress,
7266 rfxtypes = /^(?:toggle|show|hide)$/,
7267 rrun = /queueHooks$/;
7268
7269 function schedule() {
7270 if ( inProgress ) {
7271 if ( document.hidden === false && window.requestAnimationFrame ) {
7272 window.requestAnimationFrame( schedule );
7273 } else {
7274 window.setTimeout( schedule, jQuery.fx.interval );
7275 }
7276
7277 jQuery.fx.tick();
7278 }
7279 }
7280
7281 // Animations created synchronously will run synchronously
7282 function createFxNow() {
7283 window.setTimeout( function() {
7284 fxNow = undefined;
7285 } );
7286 return ( fxNow = Date.now() );
7287 }
7288
7289 // Generate parameters to create a standard animation
7290 function genFx( type, includeWidth ) {
7291 var which,
7292 i = 0,
7293 attrs = { height: type };
7294
7295 // If we include width, step value is 1 to do all cssExpand values,
7296 // otherwise step value is 2 to skip over Left and Right
7297 includeWidth = includeWidth ? 1 : 0;
7298 for ( ; i < 4; i += 2 - includeWidth ) {
7299 which = cssExpand[ i ];
7300 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7301 }
7302
7303 if ( includeWidth ) {
7304 attrs.opacity = attrs.width = type;
7305 }
7306
7307 return attrs;
7308 }
7309
7310 function createTween( value, prop, animation ) {
7311 var tween,
7312 collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
7313 index = 0,
7314 length = collection.length;
7315 for ( ; index < length; index++ ) {
7316 if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
7317
7318 // We're done with this property
7319 return tween;
7320 }
7321 }
7322 }
7323
7324 function defaultPrefilter( elem, props, opts ) {
7325 var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
7326 isBox = "width" in props || "height" in props,
7327 anim = this,
7328 orig = {},
7329 style = elem.style,
7330 hidden = elem.nodeType && isHiddenWithinTree( elem ),
7331 dataShow = dataPriv.get( elem, "fxshow" );
7332
7333 // Queue-skipping animations hijack the fx hooks
7334 if ( !opts.queue ) {
7335 hooks = jQuery._queueHooks( elem, "fx" );
7336 if ( hooks.unqueued == null ) {
7337 hooks.unqueued = 0;
7338 oldfire = hooks.empty.fire;
7339 hooks.empty.fire = function() {
7340 if ( !hooks.unqueued ) {
7341 oldfire();
7342 }
7343 };
7344 }
7345 hooks.unqueued++;
7346
7347 anim.always( function() {
7348
7349 // Ensure the complete handler is called before this completes
7350 anim.always( function() {
7351 hooks.unqueued--;
7352 if ( !jQuery.queue( elem, "fx" ).length ) {
7353 hooks.empty.fire();
7354 }
7355 } );
7356 } );
7357 }
7358
7359 // Detect show/hide animations
7360 for ( prop in props ) {
7361 value = props[ prop ];
7362 if ( rfxtypes.test( value ) ) {
7363 delete props[ prop ];
7364 toggle = toggle || value === "toggle";
7365 if ( value === ( hidden ? "hide" : "show" ) ) {
7366
7367 // Pretend to be hidden if this is a "show" and
7368 // there is still data from a stopped show/hide
7369 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7370 hidden = true;
7371
7372 // Ignore all other no-op show/hide data
7373 } else {
7374 continue;
7375 }
7376 }
7377 orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7378 }
7379 }
7380
7381 // Bail out if this is a no-op like .hide().hide()
7382 propTween = !jQuery.isEmptyObject( props );
7383 if ( !propTween && jQuery.isEmptyObject( orig ) ) {
7384 return;
7385 }
7386
7387 // Restrict "overflow" and "display" styles during box animations
7388 if ( isBox && elem.nodeType === 1 ) {
7389
7390 // Support: IE <=9 - 11, Edge 12 - 15
7391 // Record all 3 overflow attributes because IE does not infer the shorthand
7392 // from identically-valued overflowX and overflowY and Edge just mirrors
7393 // the overflowX value there.
7394 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7395
7396 // Identify a display type, preferring old show/hide data over the CSS cascade
7397 restoreDisplay = dataShow && dataShow.display;
7398 if ( restoreDisplay == null ) {
7399 restoreDisplay = dataPriv.get( elem, "display" );
7400 }
7401 display = jQuery.css( elem, "display" );
7402 if ( display === "none" ) {
7403 if ( restoreDisplay ) {
7404 display = restoreDisplay;
7405 } else {
7406
7407 // Get nonempty value(s) by temporarily forcing visibility
7408 showHide( [ elem ], true );
7409 restoreDisplay = elem.style.display || restoreDisplay;
7410 display = jQuery.css( elem, "display" );
7411 showHide( [ elem ] );
7412 }
7413 }
7414
7415 // Animate inline elements as inline-block
7416 if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
7417 if ( jQuery.css( elem, "float" ) === "none" ) {
7418
7419 // Restore the original display value at the end of pure show/hide animations
7420 if ( !propTween ) {
7421 anim.done( function() {
7422 style.display = restoreDisplay;
7423 } );
7424 if ( restoreDisplay == null ) {
7425 display = style.display;
7426 restoreDisplay = display === "none" ? "" : display;
7427 }
7428 }
7429 style.display = "inline-block";
7430 }
7431 }
7432 }
7433
7434 if ( opts.overflow ) {
7435 style.overflow = "hidden";
7436 anim.always( function() {
7437 style.overflow = opts.overflow[ 0 ];
7438 style.overflowX = opts.overflow[ 1 ];
7439 style.overflowY = opts.overflow[ 2 ];
7440 } );
7441 }
7442
7443 // Implement show/hide animations
7444 propTween = false;
7445 for ( prop in orig ) {
7446
7447 // General show/hide setup for this element animation
7448 if ( !propTween ) {
7449 if ( dataShow ) {
7450 if ( "hidden" in dataShow ) {
7451 hidden = dataShow.hidden;
7452 }
7453 } else {
7454 dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
7455 }
7456
7457 // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
7458 if ( toggle ) {
7459 dataShow.hidden = !hidden;
7460 }
7461
7462 // Show elements before animating them
7463 if ( hidden ) {
7464 showHide( [ elem ], true );
7465 }
7466
7467 /* eslint-disable no-loop-func */
7468
7469 anim.done( function() {
7470
7471 /* eslint-enable no-loop-func */
7472
7473 // The final step of a "hide" animation is actually hiding the element
7474 if ( !hidden ) {
7475 showHide( [ elem ] );
7476 }
7477 dataPriv.remove( elem, "fxshow" );
7478 for ( prop in orig ) {
7479 jQuery.style( elem, prop, orig[ prop ] );
7480 }
7481 } );
7482 }
7483
7484 // Per-property setup
7485 propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7486 if ( !( prop in dataShow ) ) {
7487 dataShow[ prop ] = propTween.start;
7488 if ( hidden ) {
7489 propTween.end = propTween.start;
7490 propTween.start = 0;
7491 }
7492 }
7493 }
7494 }
7495
7496 function propFilter( props, specialEasing ) {
7497 var index, name, easing, value, hooks;
7498
7499 // camelCase, specialEasing and expand cssHook pass
7500 for ( index in props ) {
7501 name = camelCase( index );
7502 easing = specialEasing[ name ];
7503 value = props[ index ];
7504 if ( Array.isArray( value ) ) {
7505 easing = value[ 1 ];
7506 value = props[ index ] = value[ 0 ];
7507 }
7508
7509 if ( index !== name ) {
7510 props[ name ] = value;
7511 delete props[ index ];
7512 }
7513
7514 hooks = jQuery.cssHooks[ name ];
7515 if ( hooks && "expand" in hooks ) {
7516 value = hooks.expand( value );
7517 delete props[ name ];
7518
7519 // Not quite $.extend, this won't overwrite existing keys.
7520 // Reusing 'index' because we have the correct "name"
7521 for ( index in value ) {
7522 if ( !( index in props ) ) {
7523 props[ index ] = value[ index ];
7524 specialEasing[ index ] = easing;
7525 }
7526 }
7527 } else {
7528 specialEasing[ name ] = easing;
7529 }
7530 }
7531 }
7532
7533 function Animation( elem, properties, options ) {
7534 var result,
7535 stopped,
7536 index = 0,
7537 length = Animation.prefilters.length,
7538 deferred = jQuery.Deferred().always( function() {
7539
7540 // Don't match elem in the :animated selector
7541 delete tick.elem;
7542 } ),
7543 tick = function() {
7544 if ( stopped ) {
7545 return false;
7546 }
7547 var currentTime = fxNow || createFxNow(),
7548 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7549
7550 // Support: Android 2.3 only
7551 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7552 temp = remaining / animation.duration || 0,
7553 percent = 1 - temp,
7554 index = 0,
7555 length = animation.tweens.length;
7556
7557 for ( ; index < length; index++ ) {
7558 animation.tweens[ index ].run( percent );
7559 }
7560
7561 deferred.notifyWith( elem, [ animation, percent, remaining ] );
7562
7563 // If there's more to do, yield
7564 if ( percent < 1 && length ) {
7565 return remaining;
7566 }
7567
7568 // If this was an empty animation, synthesize a final progress notification
7569 if ( !length ) {
7570 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7571 }
7572
7573 // Resolve the animation and report its conclusion
7574 deferred.resolveWith( elem, [ animation ] );
7575 return false;
7576 },
7577 animation = deferred.promise( {
7578 elem: elem,
7579 props: jQuery.extend( {}, properties ),
7580 opts: jQuery.extend( true, {
7581 specialEasing: {},
7582 easing: jQuery.easing._default
7583 }, options ),
7584 originalProperties: properties,
7585 originalOptions: options,
7586 startTime: fxNow || createFxNow(),
7587 duration: options.duration,
7588 tweens: [],
7589 createTween: function( prop, end ) {
7590 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7591 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7592 animation.tweens.push( tween );
7593 return tween;
7594 },
7595 stop: function( gotoEnd ) {
7596 var index = 0,
7597
7598 // If we are going to the end, we want to run all the tweens
7599 // otherwise we skip this part
7600 length = gotoEnd ? animation.tweens.length : 0;
7601 if ( stopped ) {
7602 return this;
7603 }
7604 stopped = true;
7605 for ( ; index < length; index++ ) {
7606 animation.tweens[ index ].run( 1 );
7607 }
7608
7609 // Resolve when we played the last frame; otherwise, reject
7610 if ( gotoEnd ) {
7611 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7612 deferred.resolveWith( elem, [ animation, gotoEnd ] );
7613 } else {
7614 deferred.rejectWith( elem, [ animation, gotoEnd ] );
7615 }
7616 return this;
7617 }
7618 } ),
7619 props = animation.props;
7620
7621 propFilter( props, animation.opts.specialEasing );
7622
7623 for ( ; index < length; index++ ) {
7624 result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7625 if ( result ) {
7626 if ( isFunction( result.stop ) ) {
7627 jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7628 result.stop.bind( result );
7629 }
7630 return result;
7631 }
7632 }
7633
7634 jQuery.map( props, createTween, animation );
7635
7636 if ( isFunction( animation.opts.start ) ) {
7637 animation.opts.start.call( elem, animation );
7638 }
7639
7640 // Attach callbacks from options
7641 animation
7642 .progress( animation.opts.progress )
7643 .done( animation.opts.done, animation.opts.complete )
7644 .fail( animation.opts.fail )
7645 .always( animation.opts.always );
7646
7647 jQuery.fx.timer(
7648 jQuery.extend( tick, {
7649 elem: elem,
7650 anim: animation,
7651 queue: animation.opts.queue
7652 } )
7653 );
7654
7655 return animation;
7656 }
7657
7658 jQuery.Animation = jQuery.extend( Animation, {
7659
7660 tweeners: {
7661 "*": [ function( prop, value ) {
7662 var tween = this.createTween( prop, value );
7663 adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7664 return tween;
7665 } ]
7666 },
7667
7668 tweener: function( props, callback ) {
7669 if ( isFunction( props ) ) {
7670 callback = props;
7671 props = [ "*" ];
7672 } else {
7673 props = props.match( rnothtmlwhite );
7674 }
7675
7676 var prop,
7677 index = 0,
7678 length = props.length;
7679
7680 for ( ; index < length; index++ ) {
7681 prop = props[ index ];
7682 Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7683 Animation.tweeners[ prop ].unshift( callback );
7684 }
7685 },
7686
7687 prefilters: [ defaultPrefilter ],
7688
7689 prefilter: function( callback, prepend ) {
7690 if ( prepend ) {
7691 Animation.prefilters.unshift( callback );
7692 } else {
7693 Animation.prefilters.push( callback );
7694 }
7695 }
7696 } );
7697
7698 jQuery.speed = function( speed, easing, fn ) {
7699 var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7700 complete: fn || !fn && easing ||
7701 isFunction( speed ) && speed,
7702 duration: speed,
7703 easing: fn && easing || easing && !isFunction( easing ) && easing
7704 };
7705
7706 // Go to the end state if fx are off
7707 if ( jQuery.fx.off ) {
7708 opt.duration = 0;
7709
7710 } else {
7711 if ( typeof opt.duration !== "number" ) {
7712 if ( opt.duration in jQuery.fx.speeds ) {
7713 opt.duration = jQuery.fx.speeds[ opt.duration ];
7714
7715 } else {
7716 opt.duration = jQuery.fx.speeds._default;
7717 }
7718 }
7719 }
7720
7721 // Normalize opt.queue - true/undefined/null -> "fx"
7722 if ( opt.queue == null || opt.queue === true ) {
7723 opt.queue = "fx";
7724 }
7725
7726 // Queueing
7727 opt.old = opt.complete;
7728
7729 opt.complete = function() {
7730 if ( isFunction( opt.old ) ) {
7731 opt.old.call( this );
7732 }
7733
7734 if ( opt.queue ) {
7735 jQuery.dequeue( this, opt.queue );
7736 }
7737 };
7738
7739 return opt;
7740 };
7741
7742 jQuery.fn.extend( {
7743 fadeTo: function( speed, to, easing, callback ) {
7744
7745 // Show any hidden elements after setting opacity to 0
7746 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7747
7748 // Animate to the value specified
7749 .end().animate( { opacity: to }, speed, easing, callback );
7750 },
7751 animate: function( prop, speed, easing, callback ) {
7752 var empty = jQuery.isEmptyObject( prop ),
7753 optall = jQuery.speed( speed, easing, callback ),
7754 doAnimation = function() {
7755
7756 // Operate on a copy of prop so per-property easing won't be lost
7757 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7758
7759 // Empty animations, or finishing resolves immediately
7760 if ( empty || dataPriv.get( this, "finish" ) ) {
7761 anim.stop( true );
7762 }
7763 };
7764 doAnimation.finish = doAnimation;
7765
7766 return empty || optall.queue === false ?
7767 this.each( doAnimation ) :
7768 this.queue( optall.queue, doAnimation );
7769 },
7770 stop: function( type, clearQueue, gotoEnd ) {
7771 var stopQueue = function( hooks ) {
7772 var stop = hooks.stop;
7773 delete hooks.stop;
7774 stop( gotoEnd );
7775 };
7776
7777 if ( typeof type !== "string" ) {
7778 gotoEnd = clearQueue;
7779 clearQueue = type;
7780 type = undefined;
7781 }
7782 if ( clearQueue ) {
7783 this.queue( type || "fx", [] );
7784 }
7785
7786 return this.each( function() {
7787 var dequeue = true,
7788 index = type != null && type + "queueHooks",
7789 timers = jQuery.timers,
7790 data = dataPriv.get( this );
7791
7792 if ( index ) {
7793 if ( data[ index ] && data[ index ].stop ) {
7794 stopQueue( data[ index ] );
7795 }
7796 } else {
7797 for ( index in data ) {
7798 if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7799 stopQueue( data[ index ] );
7800 }
7801 }
7802 }
7803
7804 for ( index = timers.length; index--; ) {
7805 if ( timers[ index ].elem === this &&
7806 ( type == null || timers[ index ].queue === type ) ) {
7807
7808 timers[ index ].anim.stop( gotoEnd );
7809 dequeue = false;
7810 timers.splice( index, 1 );
7811 }
7812 }
7813
7814 // Start the next in the queue if the last step wasn't forced.
7815 // Timers currently will call their complete callbacks, which
7816 // will dequeue but only if they were gotoEnd.
7817 if ( dequeue || !gotoEnd ) {
7818 jQuery.dequeue( this, type );
7819 }
7820 } );
7821 },
7822 finish: function( type ) {
7823 if ( type !== false ) {
7824 type = type || "fx";
7825 }
7826 return this.each( function() {
7827 var index,
7828 data = dataPriv.get( this ),
7829 queue = data[ type + "queue" ],
7830 hooks = data[ type + "queueHooks" ],
7831 timers = jQuery.timers,
7832 length = queue ? queue.length : 0;
7833
7834 // Enable finishing flag on private data
7835 data.finish = true;
7836
7837 // Empty the queue first
7838 jQuery.queue( this, type, [] );
7839
7840 if ( hooks && hooks.stop ) {
7841 hooks.stop.call( this, true );
7842 }
7843
7844 // Look for any active animations, and finish them
7845 for ( index = timers.length; index--; ) {
7846 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7847 timers[ index ].anim.stop( true );
7848 timers.splice( index, 1 );
7849 }
7850 }
7851
7852 // Look for any animations in the old queue and finish them
7853 for ( index = 0; index < length; index++ ) {
7854 if ( queue[ index ] && queue[ index ].finish ) {
7855 queue[ index ].finish.call( this );
7856 }
7857 }
7858
7859 // Turn off finishing flag
7860 delete data.finish;
7861 } );
7862 }
7863 } );
7864
7865 jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) {
7866 var cssFn = jQuery.fn[ name ];
7867 jQuery.fn[ name ] = function( speed, easing, callback ) {
7868 return speed == null || typeof speed === "boolean" ?
7869 cssFn.apply( this, arguments ) :
7870 this.animate( genFx( name, true ), speed, easing, callback );
7871 };
7872 } );
7873
7874 // Generate shortcuts for custom animations
7875 jQuery.each( {
7876 slideDown: genFx( "show" ),
7877 slideUp: genFx( "hide" ),
7878 slideToggle: genFx( "toggle" ),
7879 fadeIn: { opacity: "show" },
7880 fadeOut: { opacity: "hide" },
7881 fadeToggle: { opacity: "toggle" }
7882 }, function( name, props ) {
7883 jQuery.fn[ name ] = function( speed, easing, callback ) {
7884 return this.animate( props, speed, easing, callback );
7885 };
7886 } );
7887
7888 jQuery.timers = [];
7889 jQuery.fx.tick = function() {
7890 var timer,
7891 i = 0,
7892 timers = jQuery.timers;
7893
7894 fxNow = Date.now();
7895
7896 for ( ; i < timers.length; i++ ) {
7897 timer = timers[ i ];
7898
7899 // Run the timer and safely remove it when done (allowing for external removal)
7900 if ( !timer() && timers[ i ] === timer ) {
7901 timers.splice( i--, 1 );
7902 }
7903 }
7904
7905 if ( !timers.length ) {
7906 jQuery.fx.stop();
7907 }
7908 fxNow = undefined;
7909 };
7910
7911 jQuery.fx.timer = function( timer ) {
7912 jQuery.timers.push( timer );
7913 jQuery.fx.start();
7914 };
7915
7916 jQuery.fx.interval = 13;
7917 jQuery.fx.start = function() {
7918 if ( inProgress ) {
7919 return;
7920 }
7921
7922 inProgress = true;
7923 schedule();
7924 };
7925
7926 jQuery.fx.stop = function() {
7927 inProgress = null;
7928 };
7929
7930 jQuery.fx.speeds = {
7931 slow: 600,
7932 fast: 200,
7933
7934 // Default speed
7935 _default: 400
7936 };
7937
7938
7939 // Based off of the plugin by Clint Helfers, with permission.
7940 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7941 jQuery.fn.delay = function( time, type ) {
7942 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7943 type = type || "fx";
7944
7945 return this.queue( type, function( next, hooks ) {
7946 var timeout = window.setTimeout( next, time );
7947 hooks.stop = function() {
7948 window.clearTimeout( timeout );
7949 };
7950 } );
7951 };
7952
7953
7954 ( function() {
7955 var input = document.createElement( "input" ),
7956 select = document.createElement( "select" ),
7957 opt = select.appendChild( document.createElement( "option" ) );
7958
7959 input.type = "checkbox";
7960
7961 // Support: Android <=4.3 only
7962 // Default value for a checkbox should be "on"
7963 support.checkOn = input.value !== "";
7964
7965 // Support: IE <=11 only
7966 // Must access selectedIndex to make default options select
7967 support.optSelected = opt.selected;
7968
7969 // Support: IE <=11 only
7970 // An input loses its value after becoming a radio
7971 input = document.createElement( "input" );
7972 input.value = "t";
7973 input.type = "radio";
7974 support.radioValue = input.value === "t";
7975 } )();
7976
7977
7978 var boolHook,
7979 attrHandle = jQuery.expr.attrHandle;
7980
7981 jQuery.fn.extend( {
7982 attr: function( name, value ) {
7983 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7984 },
7985
7986 removeAttr: function( name ) {
7987 return this.each( function() {
7988 jQuery.removeAttr( this, name );
7989 } );
7990 }
7991 } );
7992
7993 jQuery.extend( {
7994 attr: function( elem, name, value ) {
7995 var ret, hooks,
7996 nType = elem.nodeType;
7997
7998 // Don't get/set attributes on text, comment and attribute nodes
7999 if ( nType === 3 || nType === 8 || nType === 2 ) {
8000 return;
8001 }
8002
8003 // Fallback to prop when attributes are not supported
8004 if ( typeof elem.getAttribute === "undefined" ) {
8005 return jQuery.prop( elem, name, value );
8006 }
8007
8008 // Attribute hooks are determined by the lowercase version
8009 // Grab necessary hook if one is defined
8010 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
8011 hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
8012 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
8013 }
8014
8015 if ( value !== undefined ) {
8016 if ( value === null ) {
8017 jQuery.removeAttr( elem, name );
8018 return;
8019 }
8020
8021 if ( hooks && "set" in hooks &&
8022 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
8023 return ret;
8024 }
8025
8026 elem.setAttribute( name, value + "" );
8027 return value;
8028 }
8029
8030 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
8031 return ret;
8032 }
8033
8034 ret = jQuery.find.attr( elem, name );
8035
8036 // Non-existent attributes return null, we normalize to undefined
8037 return ret == null ? undefined : ret;
8038 },
8039
8040 attrHooks: {
8041 type: {
8042 set: function( elem, value ) {
8043 if ( !support.radioValue && value === "radio" &&
8044 nodeName( elem, "input" ) ) {
8045 var val = elem.value;
8046 elem.setAttribute( "type", value );
8047 if ( val ) {
8048 elem.value = val;
8049 }
8050 return value;
8051 }
8052 }
8053 }
8054 },
8055
8056 removeAttr: function( elem, value ) {
8057 var name,
8058 i = 0,
8059
8060 // Attribute names can contain non-HTML whitespace characters
8061 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
8062 attrNames = value && value.match( rnothtmlwhite );
8063
8064 if ( attrNames && elem.nodeType === 1 ) {
8065 while ( ( name = attrNames[ i++ ] ) ) {
8066 elem.removeAttribute( name );
8067 }
8068 }
8069 }
8070 } );
8071
8072 // Hooks for boolean attributes
8073 boolHook = {
8074 set: function( elem, value, name ) {
8075 if ( value === false ) {
8076
8077 // Remove boolean attributes when set to false
8078 jQuery.removeAttr( elem, name );
8079 } else {
8080 elem.setAttribute( name, name );
8081 }
8082 return name;
8083 }
8084 };
8085
8086 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) {
8087 var getter = attrHandle[ name ] || jQuery.find.attr;
8088
8089 attrHandle[ name ] = function( elem, name, isXML ) {
8090 var ret, handle,
8091 lowercaseName = name.toLowerCase();
8092
8093 if ( !isXML ) {
8094
8095 // Avoid an infinite loop by temporarily removing this function from the getter
8096 handle = attrHandle[ lowercaseName ];
8097 attrHandle[ lowercaseName ] = ret;
8098 ret = getter( elem, name, isXML ) != null ?
8099 lowercaseName :
8100 null;
8101 attrHandle[ lowercaseName ] = handle;
8102 }
8103 return ret;
8104 };
8105 } );
8106
8107
8108
8109
8110 var rfocusable = /^(?:input|select|textarea|button)$/i,
8111 rclickable = /^(?:a|area)$/i;
8112
8113 jQuery.fn.extend( {
8114 prop: function( name, value ) {
8115 return access( this, jQuery.prop, name, value, arguments.length > 1 );
8116 },
8117
8118 removeProp: function( name ) {
8119 return this.each( function() {
8120 delete this[ jQuery.propFix[ name ] || name ];
8121 } );
8122 }
8123 } );
8124
8125 jQuery.extend( {
8126 prop: function( elem, name, value ) {
8127 var ret, hooks,
8128 nType = elem.nodeType;
8129
8130 // Don't get/set properties on text, comment and attribute nodes
8131 if ( nType === 3 || nType === 8 || nType === 2 ) {
8132 return;
8133 }
8134
8135 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
8136
8137 // Fix name and attach hooks
8138 name = jQuery.propFix[ name ] || name;
8139 hooks = jQuery.propHooks[ name ];
8140 }
8141
8142 if ( value !== undefined ) {
8143 if ( hooks && "set" in hooks &&
8144 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
8145 return ret;
8146 }
8147
8148 return ( elem[ name ] = value );
8149 }
8150
8151 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
8152 return ret;
8153 }
8154
8155 return elem[ name ];
8156 },
8157
8158 propHooks: {
8159 tabIndex: {
8160 get: function( elem ) {
8161
8162 // Support: IE <=9 - 11 only
8163 // elem.tabIndex doesn't always return the
8164 // correct value when it hasn't been explicitly set
8165 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
8166 // Use proper attribute retrieval(#12072)
8167 var tabindex = jQuery.find.attr( elem, "tabindex" );
8168
8169 if ( tabindex ) {
8170 return parseInt( tabindex, 10 );
8171 }
8172
8173 if (
8174 rfocusable.test( elem.nodeName ) ||
8175 rclickable.test( elem.nodeName ) &&
8176 elem.href
8177 ) {
8178 return 0;
8179 }
8180
8181 return -1;
8182 }
8183 }
8184 },
8185
8186 propFix: {
8187 "for": "htmlFor",
8188 "class": "className"
8189 }
8190 } );
8191
8192 // Support: IE <=11 only
8193 // Accessing the selectedIndex property
8194 // forces the browser to respect setting selected
8195 // on the option
8196 // The getter ensures a default option is selected
8197 // when in an optgroup
8198 // eslint rule "no-unused-expressions" is disabled for this code
8199 // since it considers such accessions noop
8200 if ( !support.optSelected ) {
8201 jQuery.propHooks.selected = {
8202 get: function( elem ) {
8203
8204 /* eslint no-unused-expressions: "off" */
8205
8206 var parent = elem.parentNode;
8207 if ( parent && parent.parentNode ) {
8208 parent.parentNode.selectedIndex;
8209 }
8210 return null;
8211 },
8212 set: function( elem ) {
8213
8214 /* eslint no-unused-expressions: "off" */
8215
8216 var parent = elem.parentNode;
8217 if ( parent ) {
8218 parent.selectedIndex;
8219
8220 if ( parent.parentNode ) {
8221 parent.parentNode.selectedIndex;
8222 }
8223 }
8224 }
8225 };
8226 }
8227
8228 jQuery.each( [
8229 "tabIndex",
8230 "readOnly",
8231 "maxLength",
8232 "cellSpacing",
8233 "cellPadding",
8234 "rowSpan",
8235 "colSpan",
8236 "useMap",
8237 "frameBorder",
8238 "contentEditable"
8239 ], function() {
8240 jQuery.propFix[ this.toLowerCase() ] = this;
8241 } );
8242
8243
8244
8245
8246 // Strip and collapse whitespace according to HTML spec
8247 // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
8248 function stripAndCollapse( value ) {
8249 var tokens = value.match( rnothtmlwhite ) || [];
8250 return tokens.join( " " );
8251 }
8252
8253
8254 function getClass( elem ) {
8255 return elem.getAttribute && elem.getAttribute( "class" ) || "";
8256 }
8257
8258 function classesToArray( value ) {
8259 if ( Array.isArray( value ) ) {
8260 return value;
8261 }
8262 if ( typeof value === "string" ) {
8263 return value.match( rnothtmlwhite ) || [];
8264 }
8265 return [];
8266 }
8267
8268 jQuery.fn.extend( {
8269 addClass: function( value ) {
8270 var classes, elem, cur, curValue, clazz, j, finalValue,
8271 i = 0;
8272
8273 if ( isFunction( value ) ) {
8274 return this.each( function( j ) {
8275 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
8276 } );
8277 }
8278
8279 classes = classesToArray( value );
8280
8281 if ( classes.length ) {
8282 while ( ( elem = this[ i++ ] ) ) {
8283 curValue = getClass( elem );
8284 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8285
8286 if ( cur ) {
8287 j = 0;
8288 while ( ( clazz = classes[ j++ ] ) ) {
8289 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8290 cur += clazz + " ";
8291 }
8292 }
8293
8294 // Only assign if different to avoid unneeded rendering.
8295 finalValue = stripAndCollapse( cur );
8296 if ( curValue !== finalValue ) {
8297 elem.setAttribute( "class", finalValue );
8298 }
8299 }
8300 }
8301 }
8302
8303 return this;
8304 },
8305
8306 removeClass: function( value ) {
8307 var classes, elem, cur, curValue, clazz, j, finalValue,
8308 i = 0;
8309
8310 if ( isFunction( value ) ) {
8311 return this.each( function( j ) {
8312 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
8313 } );
8314 }
8315
8316 if ( !arguments.length ) {
8317 return this.attr( "class", "" );
8318 }
8319
8320 classes = classesToArray( value );
8321
8322 if ( classes.length ) {
8323 while ( ( elem = this[ i++ ] ) ) {
8324 curValue = getClass( elem );
8325
8326 // This expression is here for better compressibility (see addClass)
8327 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8328
8329 if ( cur ) {
8330 j = 0;
8331 while ( ( clazz = classes[ j++ ] ) ) {
8332
8333 // Remove *all* instances
8334 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
8335 cur = cur.replace( " " + clazz + " ", " " );
8336 }
8337 }
8338
8339 // Only assign if different to avoid unneeded rendering.
8340 finalValue = stripAndCollapse( cur );
8341 if ( curValue !== finalValue ) {
8342 elem.setAttribute( "class", finalValue );
8343 }
8344 }
8345 }
8346 }
8347
8348 return this;
8349 },
8350
8351 toggleClass: function( value, stateVal ) {
8352 var type = typeof value,
8353 isValidValue = type === "string" || Array.isArray( value );
8354
8355 if ( typeof stateVal === "boolean" && isValidValue ) {
8356 return stateVal ? this.addClass( value ) : this.removeClass( value );
8357 }
8358
8359 if ( isFunction( value ) ) {
8360 return this.each( function( i ) {
8361 jQuery( this ).toggleClass(
8362 value.call( this, i, getClass( this ), stateVal ),
8363 stateVal
8364 );
8365 } );
8366 }
8367
8368 return this.each( function() {
8369 var className, i, self, classNames;
8370
8371 if ( isValidValue ) {
8372
8373 // Toggle individual class names
8374 i = 0;
8375 self = jQuery( this );
8376 classNames = classesToArray( value );
8377
8378 while ( ( className = classNames[ i++ ] ) ) {
8379
8380 // Check each className given, space separated list
8381 if ( self.hasClass( className ) ) {
8382 self.removeClass( className );
8383 } else {
8384 self.addClass( className );
8385 }
8386 }
8387
8388 // Toggle whole class name
8389 } else if ( value === undefined || type === "boolean" ) {
8390 className = getClass( this );
8391 if ( className ) {
8392
8393 // Store className if set
8394 dataPriv.set( this, "__className__", className );
8395 }
8396
8397 // If the element has a class name or if we're passed `false`,
8398 // then remove the whole classname (if there was one, the above saved it).
8399 // Otherwise bring back whatever was previously saved (if anything),
8400 // falling back to the empty string if nothing was stored.
8401 if ( this.setAttribute ) {
8402 this.setAttribute( "class",
8403 className || value === false ?
8404 "" :
8405 dataPriv.get( this, "__className__" ) || ""
8406 );
8407 }
8408 }
8409 } );
8410 },
8411
8412 hasClass: function( selector ) {
8413 var className, elem,
8414 i = 0;
8415
8416 className = " " + selector + " ";
8417 while ( ( elem = this[ i++ ] ) ) {
8418 if ( elem.nodeType === 1 &&
8419 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
8420 return true;
8421 }
8422 }
8423
8424 return false;
8425 }
8426 } );
8427
8428
8429
8430
8431 var rreturn = /\r/g;
8432
8433 jQuery.fn.extend( {
8434 val: function( value ) {
8435 var hooks, ret, valueIsFunction,
8436 elem = this[ 0 ];
8437
8438 if ( !arguments.length ) {
8439 if ( elem ) {
8440 hooks = jQuery.valHooks[ elem.type ] ||
8441 jQuery.valHooks[ elem.nodeName.toLowerCase() ];
8442
8443 if ( hooks &&
8444 "get" in hooks &&
8445 ( ret = hooks.get( elem, "value" ) ) !== undefined
8446 ) {
8447 return ret;
8448 }
8449
8450 ret = elem.value;
8451
8452 // Handle most common string cases
8453 if ( typeof ret === "string" ) {
8454 return ret.replace( rreturn, "" );
8455 }
8456
8457 // Handle cases where value is null/undef or number
8458 return ret == null ? "" : ret;
8459 }
8460
8461 return;
8462 }
8463
8464 valueIsFunction = isFunction( value );
8465
8466 return this.each( function( i ) {
8467 var val;
8468
8469 if ( this.nodeType !== 1 ) {
8470 return;
8471 }
8472
8473 if ( valueIsFunction ) {
8474 val = value.call( this, i, jQuery( this ).val() );
8475 } else {
8476 val = value;
8477 }
8478
8479 // Treat null/undefined as ""; convert numbers to string
8480 if ( val == null ) {
8481 val = "";
8482
8483 } else if ( typeof val === "number" ) {
8484 val += "";
8485
8486 } else if ( Array.isArray( val ) ) {
8487 val = jQuery.map( val, function( value ) {
8488 return value == null ? "" : value + "";
8489 } );
8490 }
8491
8492 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
8493
8494 // If set returns undefined, fall back to normal setting
8495 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
8496 this.value = val;
8497 }
8498 } );
8499 }
8500 } );
8501
8502 jQuery.extend( {
8503 valHooks: {
8504 option: {
8505 get: function( elem ) {
8506
8507 var val = jQuery.find.attr( elem, "value" );
8508 return val != null ?
8509 val :
8510
8511 // Support: IE <=10 - 11 only
8512 // option.text throws exceptions (#14686, #14858)
8513 // Strip and collapse whitespace
8514 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
8515 stripAndCollapse( jQuery.text( elem ) );
8516 }
8517 },
8518 select: {
8519 get: function( elem ) {
8520 var value, option, i,
8521 options = elem.options,
8522 index = elem.selectedIndex,
8523 one = elem.type === "select-one",
8524 values = one ? null : [],
8525 max = one ? index + 1 : options.length;
8526
8527 if ( index < 0 ) {
8528 i = max;
8529
8530 } else {
8531 i = one ? index : 0;
8532 }
8533
8534 // Loop through all the selected options
8535 for ( ; i < max; i++ ) {
8536 option = options[ i ];
8537
8538 // Support: IE <=9 only
8539 // IE8-9 doesn't update selected after form reset (#2551)
8540 if ( ( option.selected || i === index ) &&
8541
8542 // Don't return options that are disabled or in a disabled optgroup
8543 !option.disabled &&
8544 ( !option.parentNode.disabled ||
8545 !nodeName( option.parentNode, "optgroup" ) ) ) {
8546
8547 // Get the specific value for the option
8548 value = jQuery( option ).val();
8549
8550 // We don't need an array for one selects
8551 if ( one ) {
8552 return value;
8553 }
8554
8555 // Multi-Selects return an array
8556 values.push( value );
8557 }
8558 }
8559
8560 return values;
8561 },
8562
8563 set: function( elem, value ) {
8564 var optionSet, option,
8565 options = elem.options,
8566 values = jQuery.makeArray( value ),
8567 i = options.length;
8568
8569 while ( i-- ) {
8570 option = options[ i ];
8571
8572 /* eslint-disable no-cond-assign */
8573
8574 if ( option.selected =
8575 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8576 ) {
8577 optionSet = true;
8578 }
8579
8580 /* eslint-enable no-cond-assign */
8581 }
8582
8583 // Force browsers to behave consistently when non-matching value is set
8584 if ( !optionSet ) {
8585 elem.selectedIndex = -1;
8586 }
8587 return values;
8588 }
8589 }
8590 }
8591 } );
8592
8593 // Radios and checkboxes getter/setter
8594 jQuery.each( [ "radio", "checkbox" ], function() {
8595 jQuery.valHooks[ this ] = {
8596 set: function( elem, value ) {
8597 if ( Array.isArray( value ) ) {
8598 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8599 }
8600 }
8601 };
8602 if ( !support.checkOn ) {
8603 jQuery.valHooks[ this ].get = function( elem ) {
8604 return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8605 };
8606 }
8607 } );
8608
8609
8610
8611
8612 // Return jQuery for attributes-only inclusion
8613
8614
8615 support.focusin = "onfocusin" in window;
8616
8617
8618 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
8619 stopPropagationCallback = function( e ) {
8620 e.stopPropagation();
8621 };
8622
8623 jQuery.extend( jQuery.event, {
8624
8625 trigger: function( event, data, elem, onlyHandlers ) {
8626
8627 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
8628 eventPath = [ elem || document ],
8629 type = hasOwn.call( event, "type" ) ? event.type : event,
8630 namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8631
8632 cur = lastElement = tmp = elem = elem || document;
8633
8634 // Don't do events on text and comment nodes
8635 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8636 return;
8637 }
8638
8639 // focus/blur morphs to focusin/out; ensure we're not firing them right now
8640 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8641 return;
8642 }
8643
8644 if ( type.indexOf( "." ) > -1 ) {
8645
8646 // Namespaced trigger; create a regexp to match event type in handle()
8647 namespaces = type.split( "." );
8648 type = namespaces.shift();
8649 namespaces.sort();
8650 }
8651 ontype = type.indexOf( ":" ) < 0 && "on" + type;
8652
8653 // Caller can pass in a jQuery.Event object, Object, or just an event type string
8654 event = event[ jQuery.expando ] ?
8655 event :
8656 new jQuery.Event( type, typeof event === "object" && event );
8657
8658 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8659 event.isTrigger = onlyHandlers ? 2 : 3;
8660 event.namespace = namespaces.join( "." );
8661 event.rnamespace = event.namespace ?
8662 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8663 null;
8664
8665 // Clean up the event in case it is being reused
8666 event.result = undefined;
8667 if ( !event.target ) {
8668 event.target = elem;
8669 }
8670
8671 // Clone any incoming data and prepend the event, creating the handler arg list
8672 data = data == null ?
8673 [ event ] :
8674 jQuery.makeArray( data, [ event ] );
8675
8676 // Allow special events to draw outside the lines
8677 special = jQuery.event.special[ type ] || {};
8678 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8679 return;
8680 }
8681
8682 // Determine event propagation path in advance, per W3C events spec (#9951)
8683 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8684 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
8685
8686 bubbleType = special.delegateType || type;
8687 if ( !rfocusMorph.test( bubbleType + type ) ) {
8688 cur = cur.parentNode;
8689 }
8690 for ( ; cur; cur = cur.parentNode ) {
8691 eventPath.push( cur );
8692 tmp = cur;
8693 }
8694
8695 // Only add window if we got to document (e.g., not plain obj or detached DOM)
8696 if ( tmp === ( elem.ownerDocument || document ) ) {
8697 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8698 }
8699 }
8700
8701 // Fire handlers on the event path
8702 i = 0;
8703 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8704 lastElement = cur;
8705 event.type = i > 1 ?
8706 bubbleType :
8707 special.bindType || type;
8708
8709 // jQuery handler
8710 handle = (
8711 dataPriv.get( cur, "events" ) || Object.create( null )
8712 )[ event.type ] &&
8713 dataPriv.get( cur, "handle" );
8714 if ( handle ) {
8715 handle.apply( cur, data );
8716 }
8717
8718 // Native handler
8719 handle = ontype && cur[ ontype ];
8720 if ( handle && handle.apply && acceptData( cur ) ) {
8721 event.result = handle.apply( cur, data );
8722 if ( event.result === false ) {
8723 event.preventDefault();
8724 }
8725 }
8726 }
8727 event.type = type;
8728
8729 // If nobody prevented the default action, do it now
8730 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8731
8732 if ( ( !special._default ||
8733 special._default.apply( eventPath.pop(), data ) === false ) &&
8734 acceptData( elem ) ) {
8735
8736 // Call a native DOM method on the target with the same name as the event.
8737 // Don't do default actions on window, that's where global variables be (#6170)
8738 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
8739
8740 // Don't re-trigger an onFOO event when we call its FOO() method
8741 tmp = elem[ ontype ];
8742
8743 if ( tmp ) {
8744 elem[ ontype ] = null;
8745 }
8746
8747 // Prevent re-triggering of the same event, since we already bubbled it above
8748 jQuery.event.triggered = type;
8749
8750 if ( event.isPropagationStopped() ) {
8751 lastElement.addEventListener( type, stopPropagationCallback );
8752 }
8753
8754 elem[ type ]();
8755
8756 if ( event.isPropagationStopped() ) {
8757 lastElement.removeEventListener( type, stopPropagationCallback );
8758 }
8759
8760 jQuery.event.triggered = undefined;
8761
8762 if ( tmp ) {
8763 elem[ ontype ] = tmp;
8764 }
8765 }
8766 }
8767 }
8768
8769 return event.result;
8770 },
8771
8772 // Piggyback on a donor event to simulate a different one
8773 // Used only for `focus(in | out)` events
8774 simulate: function( type, elem, event ) {
8775 var e = jQuery.extend(
8776 new jQuery.Event(),
8777 event,
8778 {
8779 type: type,
8780 isSimulated: true
8781 }
8782 );
8783
8784 jQuery.event.trigger( e, null, elem );
8785 }
8786
8787 } );
8788
8789 jQuery.fn.extend( {
8790
8791 trigger: function( type, data ) {
8792 return this.each( function() {
8793 jQuery.event.trigger( type, data, this );
8794 } );
8795 },
8796 triggerHandler: function( type, data ) {
8797 var elem = this[ 0 ];
8798 if ( elem ) {
8799 return jQuery.event.trigger( type, data, elem, true );
8800 }
8801 }
8802 } );
8803
8804
8805 // Support: Firefox <=44
8806 // Firefox doesn't have focus(in | out) events
8807 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8808 //
8809 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8810 // focus(in | out) events fire after focus & blur events,
8811 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8812 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8813 if ( !support.focusin ) {
8814 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8815
8816 // Attach a single capturing handler on the document while someone wants focusin/focusout
8817 var handler = function( event ) {
8818 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8819 };
8820
8821 jQuery.event.special[ fix ] = {
8822 setup: function() {
8823
8824 // Handle: regular nodes (via `this.ownerDocument`), window
8825 // (via `this.document`) & document (via `this`).
8826 var doc = this.ownerDocument || this.document || this,
8827 attaches = dataPriv.access( doc, fix );
8828
8829 if ( !attaches ) {
8830 doc.addEventListener( orig, handler, true );
8831 }
8832 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8833 },
8834 teardown: function() {
8835 var doc = this.ownerDocument || this.document || this,
8836 attaches = dataPriv.access( doc, fix ) - 1;
8837
8838 if ( !attaches ) {
8839 doc.removeEventListener( orig, handler, true );
8840 dataPriv.remove( doc, fix );
8841
8842 } else {
8843 dataPriv.access( doc, fix, attaches );
8844 }
8845 }
8846 };
8847 } );
8848 }
8849 var location = window.location;
8850
8851 var nonce = { guid: Date.now() };
8852
8853 var rquery = ( /\?/ );
8854
8855
8856
8857 // Cross-browser xml parsing
8858 jQuery.parseXML = function( data ) {
8859 var xml;
8860 if ( !data || typeof data !== "string" ) {
8861 return null;
8862 }
8863
8864 // Support: IE 9 - 11 only
8865 // IE throws on parseFromString with invalid input.
8866 try {
8867 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8868 } catch ( e ) {
8869 xml = undefined;
8870 }
8871
8872 if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8873 jQuery.error( "Invalid XML: " + data );
8874 }
8875 return xml;
8876 };
8877
8878
8879 var
8880 rbracket = /\[\]$/,
8881 rCRLF = /\r?\n/g,
8882 rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8883 rsubmittable = /^(?:input|select|textarea|keygen)/i;
8884
8885 function buildParams( prefix, obj, traditional, add ) {
8886 var name;
8887
8888 if ( Array.isArray( obj ) ) {
8889
8890 // Serialize array item.
8891 jQuery.each( obj, function( i, v ) {
8892 if ( traditional || rbracket.test( prefix ) ) {
8893
8894 // Treat each array item as a scalar.
8895 add( prefix, v );
8896
8897 } else {
8898
8899 // Item is non-scalar (array or object), encode its numeric index.
8900 buildParams(
8901 prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8902 v,
8903 traditional,
8904 add
8905 );
8906 }
8907 } );
8908
8909 } else if ( !traditional && toType( obj ) === "object" ) {
8910
8911 // Serialize object item.
8912 for ( name in obj ) {
8913 buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8914 }
8915
8916 } else {
8917
8918 // Serialize scalar item.
8919 add( prefix, obj );
8920 }
8921 }
8922
8923 // Serialize an array of form elements or a set of
8924 // key/values into a query string
8925 jQuery.param = function( a, traditional ) {
8926 var prefix,
8927 s = [],
8928 add = function( key, valueOrFunction ) {
8929
8930 // If value is a function, invoke it and use its return value
8931 var value = isFunction( valueOrFunction ) ?
8932 valueOrFunction() :
8933 valueOrFunction;
8934
8935 s[ s.length ] = encodeURIComponent( key ) + "=" +
8936 encodeURIComponent( value == null ? "" : value );
8937 };
8938
8939 if ( a == null ) {
8940 return "";
8941 }
8942
8943 // If an array was passed in, assume that it is an array of form elements.
8944 if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8945
8946 // Serialize the form elements
8947 jQuery.each( a, function() {
8948 add( this.name, this.value );
8949 } );
8950
8951 } else {
8952
8953 // If traditional, encode the "old" way (the way 1.3.2 or older
8954 // did it), otherwise encode params recursively.
8955 for ( prefix in a ) {
8956 buildParams( prefix, a[ prefix ], traditional, add );
8957 }
8958 }
8959
8960 // Return the resulting serialization
8961 return s.join( "&" );
8962 };
8963
8964 jQuery.fn.extend( {
8965 serialize: function() {
8966 return jQuery.param( this.serializeArray() );
8967 },
8968 serializeArray: function() {
8969 return this.map( function() {
8970
8971 // Can add propHook for "elements" to filter or add form elements
8972 var elements = jQuery.prop( this, "elements" );
8973 return elements ? jQuery.makeArray( elements ) : this;
8974 } )
8975 .filter( function() {
8976 var type = this.type;
8977
8978 // Use .is( ":disabled" ) so that fieldset[disabled] works
8979 return this.name && !jQuery( this ).is( ":disabled" ) &&
8980 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8981 ( this.checked || !rcheckableType.test( type ) );
8982 } )
8983 .map( function( _i, elem ) {
8984 var val = jQuery( this ).val();
8985
8986 if ( val == null ) {
8987 return null;
8988 }
8989
8990 if ( Array.isArray( val ) ) {
8991 return jQuery.map( val, function( val ) {
8992 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8993 } );
8994 }
8995
8996 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8997 } ).get();
8998 }
8999 } );
9000
9001
9002 var
9003 r20 = /%20/g,
9004 rhash = /#.*$/,
9005 rantiCache = /([?&])_=[^&]*/,
9006 rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
9007
9008 // #7653, #8125, #8152: local protocol detection
9009 rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
9010 rnoContent = /^(?:GET|HEAD)$/,
9011 rprotocol = /^\/\//,
9012
9013 /* Prefilters
9014 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
9015 * 2) These are called:
9016 * - BEFORE asking for a transport
9017 * - AFTER param serialization (s.data is a string if s.processData is true)
9018 * 3) key is the dataType
9019 * 4) the catchall symbol "*" can be used
9020 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
9021 */
9022 prefilters = {},
9023
9024 /* Transports bindings
9025 * 1) key is the dataType
9026 * 2) the catchall symbol "*" can be used
9027 * 3) selection will start with transport dataType and THEN go to "*" if needed
9028 */
9029 transports = {},
9030
9031 // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
9032 allTypes = "*/".concat( "*" ),
9033
9034 // Anchor tag for parsing the document origin
9035 originAnchor = document.createElement( "a" );
9036 originAnchor.href = location.href;
9037
9038 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
9039 function addToPrefiltersOrTransports( structure ) {
9040
9041 // dataTypeExpression is optional and defaults to "*"
9042 return function( dataTypeExpression, func ) {
9043
9044 if ( typeof dataTypeExpression !== "string" ) {
9045 func = dataTypeExpression;
9046 dataTypeExpression = "*";
9047 }
9048
9049 var dataType,
9050 i = 0,
9051 dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
9052
9053 if ( isFunction( func ) ) {
9054
9055 // For each dataType in the dataTypeExpression
9056 while ( ( dataType = dataTypes[ i++ ] ) ) {
9057
9058 // Prepend if requested
9059 if ( dataType[ 0 ] === "+" ) {
9060 dataType = dataType.slice( 1 ) || "*";
9061 ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
9062
9063 // Otherwise append
9064 } else {
9065 ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
9066 }
9067 }
9068 }
9069 };
9070 }
9071
9072 // Base inspection function for prefilters and transports
9073 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
9074
9075 var inspected = {},
9076 seekingTransport = ( structure === transports );
9077
9078 function inspect( dataType ) {
9079 var selected;
9080 inspected[ dataType ] = true;
9081 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
9082 var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
9083 if ( typeof dataTypeOrTransport === "string" &&
9084 !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
9085
9086 options.dataTypes.unshift( dataTypeOrTransport );
9087 inspect( dataTypeOrTransport );
9088 return false;
9089 } else if ( seekingTransport ) {
9090 return !( selected = dataTypeOrTransport );
9091 }
9092 } );
9093 return selected;
9094 }
9095
9096 return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
9097 }
9098
9099 // A special extend for ajax options
9100 // that takes "flat" options (not to be deep extended)
9101 // Fixes #9887
9102 function ajaxExtend( target, src ) {
9103 var key, deep,
9104 flatOptions = jQuery.ajaxSettings.flatOptions || {};
9105
9106 for ( key in src ) {
9107 if ( src[ key ] !== undefined ) {
9108 ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
9109 }
9110 }
9111 if ( deep ) {
9112 jQuery.extend( true, target, deep );
9113 }
9114
9115 return target;
9116 }
9117
9118 /* Handles responses to an ajax request:
9119 * - finds the right dataType (mediates between content-type and expected dataType)
9120 * - returns the corresponding response
9121 */
9122 function ajaxHandleResponses( s, jqXHR, responses ) {
9123
9124 var ct, type, finalDataType, firstDataType,
9125 contents = s.contents,
9126 dataTypes = s.dataTypes;
9127
9128 // Remove auto dataType and get content-type in the process
9129 while ( dataTypes[ 0 ] === "*" ) {
9130 dataTypes.shift();
9131 if ( ct === undefined ) {
9132 ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
9133 }
9134 }
9135
9136 // Check if we're dealing with a known content-type
9137 if ( ct ) {
9138 for ( type in contents ) {
9139 if ( contents[ type ] && contents[ type ].test( ct ) ) {
9140 dataTypes.unshift( type );
9141 break;
9142 }
9143 }
9144 }
9145
9146 // Check to see if we have a response for the expected dataType
9147 if ( dataTypes[ 0 ] in responses ) {
9148 finalDataType = dataTypes[ 0 ];
9149 } else {
9150
9151 // Try convertible dataTypes
9152 for ( type in responses ) {
9153 if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
9154 finalDataType = type;
9155 break;
9156 }
9157 if ( !firstDataType ) {
9158 firstDataType = type;
9159 }
9160 }
9161
9162 // Or just use first one
9163 finalDataType = finalDataType || firstDataType;
9164 }
9165
9166 // If we found a dataType
9167 // We add the dataType to the list if needed
9168 // and return the corresponding response
9169 if ( finalDataType ) {
9170 if ( finalDataType !== dataTypes[ 0 ] ) {
9171 dataTypes.unshift( finalDataType );
9172 }
9173 return responses[ finalDataType ];
9174 }
9175 }
9176
9177 /* Chain conversions given the request and the original response
9178 * Also sets the responseXXX fields on the jqXHR instance
9179 */
9180 function ajaxConvert( s, response, jqXHR, isSuccess ) {
9181 var conv2, current, conv, tmp, prev,
9182 converters = {},
9183
9184 // Work with a copy of dataTypes in case we need to modify it for conversion
9185 dataTypes = s.dataTypes.slice();
9186
9187 // Create converters map with lowercased keys
9188 if ( dataTypes[ 1 ] ) {
9189 for ( conv in s.converters ) {
9190 converters[ conv.toLowerCase() ] = s.converters[ conv ];
9191 }
9192 }
9193
9194 current = dataTypes.shift();
9195
9196 // Convert to each sequential dataType
9197 while ( current ) {
9198
9199 if ( s.responseFields[ current ] ) {
9200 jqXHR[ s.responseFields[ current ] ] = response;
9201 }
9202
9203 // Apply the dataFilter if provided
9204 if ( !prev && isSuccess && s.dataFilter ) {
9205 response = s.dataFilter( response, s.dataType );
9206 }
9207
9208 prev = current;
9209 current = dataTypes.shift();
9210
9211 if ( current ) {
9212
9213 // There's only work to do if current dataType is non-auto
9214 if ( current === "*" ) {
9215
9216 current = prev;
9217
9218 // Convert response if prev dataType is non-auto and differs from current
9219 } else if ( prev !== "*" && prev !== current ) {
9220
9221 // Seek a direct converter
9222 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
9223
9224 // If none found, seek a pair
9225 if ( !conv ) {
9226 for ( conv2 in converters ) {
9227
9228 // If conv2 outputs current
9229 tmp = conv2.split( " " );
9230 if ( tmp[ 1 ] === current ) {
9231
9232 // If prev can be converted to accepted input
9233 conv = converters[ prev + " " + tmp[ 0 ] ] ||
9234 converters[ "* " + tmp[ 0 ] ];
9235 if ( conv ) {
9236
9237 // Condense equivalence converters
9238 if ( conv === true ) {
9239 conv = converters[ conv2 ];
9240
9241 // Otherwise, insert the intermediate dataType
9242 } else if ( converters[ conv2 ] !== true ) {
9243 current = tmp[ 0 ];
9244 dataTypes.unshift( tmp[ 1 ] );
9245 }
9246 break;
9247 }
9248 }
9249 }
9250 }
9251
9252 // Apply converter (if not an equivalence)
9253 if ( conv !== true ) {
9254
9255 // Unless errors are allowed to bubble, catch and return them
9256 if ( conv && s.throws ) {
9257 response = conv( response );
9258 } else {
9259 try {
9260 response = conv( response );
9261 } catch ( e ) {
9262 return {
9263 state: "parsererror",
9264 error: conv ? e : "No conversion from " + prev + " to " + current
9265 };
9266 }
9267 }
9268 }
9269 }
9270 }
9271 }
9272
9273 return { state: "success", data: response };
9274 }
9275
9276 jQuery.extend( {
9277
9278 // Counter for holding the number of active queries
9279 active: 0,
9280
9281 // Last-Modified header cache for next request
9282 lastModified: {},
9283 etag: {},
9284
9285 ajaxSettings: {
9286 url: location.href,
9287 type: "GET",
9288 isLocal: rlocalProtocol.test( location.protocol ),
9289 global: true,
9290 processData: true,
9291 async: true,
9292 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
9293
9294 /*
9295 timeout: 0,
9296 data: null,
9297 dataType: null,
9298 username: null,
9299 password: null,
9300 cache: null,
9301 throws: false,
9302 traditional: false,
9303 headers: {},
9304 */
9305
9306 accepts: {
9307 "*": allTypes,
9308 text: "text/plain",
9309 html: "text/html",
9310 xml: "application/xml, text/xml",
9311 json: "application/json, text/javascript"
9312 },
9313
9314 contents: {
9315 xml: /\bxml\b/,
9316 html: /\bhtml/,
9317 json: /\bjson\b/
9318 },
9319
9320 responseFields: {
9321 xml: "responseXML",
9322 text: "responseText",
9323 json: "responseJSON"
9324 },
9325
9326 // Data converters
9327 // Keys separate source (or catchall "*") and destination types with a single space
9328 converters: {
9329
9330 // Convert anything to text
9331 "* text": String,
9332
9333 // Text to html (true = no transformation)
9334 "text html": true,
9335
9336 // Evaluate text as a json expression
9337 "text json": JSON.parse,
9338
9339 // Parse text as xml
9340 "text xml": jQuery.parseXML
9341 },
9342
9343 // For options that shouldn't be deep extended:
9344 // you can add your own custom options here if
9345 // and when you create one that shouldn't be
9346 // deep extended (see ajaxExtend)
9347 flatOptions: {
9348 url: true,
9349 context: true
9350 }
9351 },
9352
9353 // Creates a full fledged settings object into target
9354 // with both ajaxSettings and settings fields.
9355 // If target is omitted, writes into ajaxSettings.
9356 ajaxSetup: function( target, settings ) {
9357 return settings ?
9358
9359 // Building a settings object
9360 ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
9361
9362 // Extending ajaxSettings
9363 ajaxExtend( jQuery.ajaxSettings, target );
9364 },
9365
9366 ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
9367 ajaxTransport: addToPrefiltersOrTransports( transports ),
9368
9369 // Main method
9370 ajax: function( url, options ) {
9371
9372 // If url is an object, simulate pre-1.5 signature
9373 if ( typeof url === "object" ) {
9374 options = url;
9375 url = undefined;
9376 }
9377
9378 // Force options to be an object
9379 options = options || {};
9380
9381 var transport,
9382
9383 // URL without anti-cache param
9384 cacheURL,
9385
9386 // Response headers
9387 responseHeadersString,
9388 responseHeaders,
9389
9390 // timeout handle
9391 timeoutTimer,
9392
9393 // Url cleanup var
9394 urlAnchor,
9395
9396 // Request state (becomes false upon send and true upon completion)
9397 completed,
9398
9399 // To know if global events are to be dispatched
9400 fireGlobals,
9401
9402 // Loop variable
9403 i,
9404
9405 // uncached part of the url
9406 uncached,
9407
9408 // Create the final options object
9409 s = jQuery.ajaxSetup( {}, options ),
9410
9411 // Callbacks context
9412 callbackContext = s.context || s,
9413
9414 // Context for global events is callbackContext if it is a DOM node or jQuery collection
9415 globalEventContext = s.context &&
9416 ( callbackContext.nodeType || callbackContext.jquery ) ?
9417 jQuery( callbackContext ) :
9418 jQuery.event,
9419
9420 // Deferreds
9421 deferred = jQuery.Deferred(),
9422 completeDeferred = jQuery.Callbacks( "once memory" ),
9423
9424 // Status-dependent callbacks
9425 statusCode = s.statusCode || {},
9426
9427 // Headers (they are sent all at once)
9428 requestHeaders = {},
9429 requestHeadersNames = {},
9430
9431 // Default abort message
9432 strAbort = "canceled",
9433
9434 // Fake xhr
9435 jqXHR = {
9436 readyState: 0,
9437
9438 // Builds headers hashtable if needed
9439 getResponseHeader: function( key ) {
9440 var match;
9441 if ( completed ) {
9442 if ( !responseHeaders ) {
9443 responseHeaders = {};
9444 while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
9445 responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
9446 ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
9447 .concat( match[ 2 ] );
9448 }
9449 }
9450 match = responseHeaders[ key.toLowerCase() + " " ];
9451 }
9452 return match == null ? null : match.join( ", " );
9453 },
9454
9455 // Raw string
9456 getAllResponseHeaders: function() {
9457 return completed ? responseHeadersString : null;
9458 },
9459
9460 // Caches the header
9461 setRequestHeader: function( name, value ) {
9462 if ( completed == null ) {
9463 name = requestHeadersNames[ name.toLowerCase() ] =
9464 requestHeadersNames[ name.toLowerCase() ] || name;
9465 requestHeaders[ name ] = value;
9466 }
9467 return this;
9468 },
9469
9470 // Overrides response content-type header
9471 overrideMimeType: function( type ) {
9472 if ( completed == null ) {
9473 s.mimeType = type;
9474 }
9475 return this;
9476 },
9477
9478 // Status-dependent callbacks
9479 statusCode: function( map ) {
9480 var code;
9481 if ( map ) {
9482 if ( completed ) {
9483
9484 // Execute the appropriate callbacks
9485 jqXHR.always( map[ jqXHR.status ] );
9486 } else {
9487
9488 // Lazy-add the new callbacks in a way that preserves old ones
9489 for ( code in map ) {
9490 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9491 }
9492 }
9493 }
9494 return this;
9495 },
9496
9497 // Cancel the request
9498 abort: function( statusText ) {
9499 var finalText = statusText || strAbort;
9500 if ( transport ) {
9501 transport.abort( finalText );
9502 }
9503 done( 0, finalText );
9504 return this;
9505 }
9506 };
9507
9508 // Attach deferreds
9509 deferred.promise( jqXHR );
9510
9511 // Add protocol if not provided (prefilters might expect it)
9512 // Handle falsy url in the settings object (#10093: consistency with old signature)
9513 // We also use the url parameter if available
9514 s.url = ( ( url || s.url || location.href ) + "" )
9515 .replace( rprotocol, location.protocol + "//" );
9516
9517 // Alias method option to type as per ticket #12004
9518 s.type = options.method || options.type || s.method || s.type;
9519
9520 // Extract dataTypes list
9521 s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
9522
9523 // A cross-domain request is in order when the origin doesn't match the current origin.
9524 if ( s.crossDomain == null ) {
9525 urlAnchor = document.createElement( "a" );
9526
9527 // Support: IE <=8 - 11, Edge 12 - 15
9528 // IE throws exception on accessing the href property if url is malformed,
9529 // e.g. http://example.com:80x/
9530 try {
9531 urlAnchor.href = s.url;
9532
9533 // Support: IE <=8 - 11 only
9534 // Anchor's host property isn't correctly set when s.url is relative
9535 urlAnchor.href = urlAnchor.href;
9536 s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
9537 urlAnchor.protocol + "//" + urlAnchor.host;
9538 } catch ( e ) {
9539
9540 // If there is an error parsing the URL, assume it is crossDomain,
9541 // it can be rejected by the transport if it is invalid
9542 s.crossDomain = true;
9543 }
9544 }
9545
9546 // Convert data if not already a string
9547 if ( s.data && s.processData && typeof s.data !== "string" ) {
9548 s.data = jQuery.param( s.data, s.traditional );
9549 }
9550
9551 // Apply prefilters
9552 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9553
9554 // If request was aborted inside a prefilter, stop there
9555 if ( completed ) {
9556 return jqXHR;
9557 }
9558
9559 // We can fire global events as of now if asked to
9560 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9561 fireGlobals = jQuery.event && s.global;
9562
9563 // Watch for a new set of requests
9564 if ( fireGlobals && jQuery.active++ === 0 ) {
9565 jQuery.event.trigger( "ajaxStart" );
9566 }
9567
9568 // Uppercase the type
9569 s.type = s.type.toUpperCase();
9570
9571 // Determine if request has content
9572 s.hasContent = !rnoContent.test( s.type );
9573
9574 // Save the URL in case we're toying with the If-Modified-Since
9575 // and/or If-None-Match header later on
9576 // Remove hash to simplify url manipulation
9577 cacheURL = s.url.replace( rhash, "" );
9578
9579 // More options handling for requests with no content
9580 if ( !s.hasContent ) {
9581
9582 // Remember the hash so we can put it back
9583 uncached = s.url.slice( cacheURL.length );
9584
9585 // If data is available and should be processed, append data to url
9586 if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
9587 cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
9588
9589 // #9682: remove data so that it's not used in an eventual retry
9590 delete s.data;
9591 }
9592
9593 // Add or update anti-cache param if needed
9594 if ( s.cache === false ) {
9595 cacheURL = cacheURL.replace( rantiCache, "$1" );
9596 uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) +
9597 uncached;
9598 }
9599
9600 // Put hash and anti-cache on the URL that will be requested (gh-1732)
9601 s.url = cacheURL + uncached;
9602
9603 // Change '%20' to '+' if this is encoded form body content (gh-2658)
9604 } else if ( s.data && s.processData &&
9605 ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
9606 s.data = s.data.replace( r20, "+" );
9607 }
9608
9609 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9610 if ( s.ifModified ) {
9611 if ( jQuery.lastModified[ cacheURL ] ) {
9612 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9613 }
9614 if ( jQuery.etag[ cacheURL ] ) {
9615 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9616 }
9617 }
9618
9619 // Set the correct header, if data is being sent
9620 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9621 jqXHR.setRequestHeader( "Content-Type", s.contentType );
9622 }
9623
9624 // Set the Accepts header for the server, depending on the dataType
9625 jqXHR.setRequestHeader(
9626 "Accept",
9627 s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
9628 s.accepts[ s.dataTypes[ 0 ] ] +
9629 ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9630 s.accepts[ "*" ]
9631 );
9632
9633 // Check for headers option
9634 for ( i in s.headers ) {
9635 jqXHR.setRequestHeader( i, s.headers[ i ] );
9636 }
9637
9638 // Allow custom headers/mimetypes and early abort
9639 if ( s.beforeSend &&
9640 ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
9641
9642 // Abort if not done already and return
9643 return jqXHR.abort();
9644 }
9645
9646 // Aborting is no longer a cancellation
9647 strAbort = "abort";
9648
9649 // Install callbacks on deferreds
9650 completeDeferred.add( s.complete );
9651 jqXHR.done( s.success );
9652 jqXHR.fail( s.error );
9653
9654 // Get transport
9655 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9656
9657 // If no transport, we auto-abort
9658 if ( !transport ) {
9659 done( -1, "No Transport" );
9660 } else {
9661 jqXHR.readyState = 1;
9662
9663 // Send global event
9664 if ( fireGlobals ) {
9665 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9666 }
9667
9668 // If request was aborted inside ajaxSend, stop there
9669 if ( completed ) {
9670 return jqXHR;
9671 }
9672
9673 // Timeout
9674 if ( s.async && s.timeout > 0 ) {
9675 timeoutTimer = window.setTimeout( function() {
9676 jqXHR.abort( "timeout" );
9677 }, s.timeout );
9678 }
9679
9680 try {
9681 completed = false;
9682 transport.send( requestHeaders, done );
9683 } catch ( e ) {
9684
9685 // Rethrow post-completion exceptions
9686 if ( completed ) {
9687 throw e;
9688 }
9689
9690 // Propagate others as results
9691 done( -1, e );
9692 }
9693 }
9694
9695 // Callback for when everything is done
9696 function done( status, nativeStatusText, responses, headers ) {
9697 var isSuccess, success, error, response, modified,
9698 statusText = nativeStatusText;
9699
9700 // Ignore repeat invocations
9701 if ( completed ) {
9702 return;
9703 }
9704
9705 completed = true;
9706
9707 // Clear timeout if it exists
9708 if ( timeoutTimer ) {
9709 window.clearTimeout( timeoutTimer );
9710 }
9711
9712 // Dereference transport for early garbage collection
9713 // (no matter how long the jqXHR object will be used)
9714 transport = undefined;
9715
9716 // Cache response headers
9717 responseHeadersString = headers || "";
9718
9719 // Set readyState
9720 jqXHR.readyState = status > 0 ? 4 : 0;
9721
9722 // Determine if successful
9723 isSuccess = status >= 200 && status < 300 || status === 304;
9724
9725 // Get response data
9726 if ( responses ) {
9727 response = ajaxHandleResponses( s, jqXHR, responses );
9728 }
9729
9730 // Use a noop converter for missing script
9731 if ( !isSuccess && jQuery.inArray( "script", s.dataTypes ) > -1 ) {
9732 s.converters[ "text script" ] = function() {};
9733 }
9734
9735 // Convert no matter what (that way responseXXX fields are always set)
9736 response = ajaxConvert( s, response, jqXHR, isSuccess );
9737
9738 // If successful, handle type chaining
9739 if ( isSuccess ) {
9740
9741 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9742 if ( s.ifModified ) {
9743 modified = jqXHR.getResponseHeader( "Last-Modified" );
9744 if ( modified ) {
9745 jQuery.lastModified[ cacheURL ] = modified;
9746 }
9747 modified = jqXHR.getResponseHeader( "etag" );
9748 if ( modified ) {
9749 jQuery.etag[ cacheURL ] = modified;
9750 }
9751 }
9752
9753 // if no content
9754 if ( status === 204 || s.type === "HEAD" ) {
9755 statusText = "nocontent";
9756
9757 // if not modified
9758 } else if ( status === 304 ) {
9759 statusText = "notmodified";
9760
9761 // If we have data, let's convert it
9762 } else {
9763 statusText = response.state;
9764 success = response.data;
9765 error = response.error;
9766 isSuccess = !error;
9767 }
9768 } else {
9769
9770 // Extract error from statusText and normalize for non-aborts
9771 error = statusText;
9772 if ( status || !statusText ) {
9773 statusText = "error";
9774 if ( status < 0 ) {
9775 status = 0;
9776 }
9777 }
9778 }
9779
9780 // Set data for the fake xhr object
9781 jqXHR.status = status;
9782 jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9783
9784 // Success/Error
9785 if ( isSuccess ) {
9786 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9787 } else {
9788 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9789 }
9790
9791 // Status-dependent callbacks
9792 jqXHR.statusCode( statusCode );
9793 statusCode = undefined;
9794
9795 if ( fireGlobals ) {
9796 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9797 [ jqXHR, s, isSuccess ? success : error ] );
9798 }
9799
9800 // Complete
9801 completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9802
9803 if ( fireGlobals ) {
9804 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9805
9806 // Handle the global AJAX counter
9807 if ( !( --jQuery.active ) ) {
9808 jQuery.event.trigger( "ajaxStop" );
9809 }
9810 }
9811 }
9812
9813 return jqXHR;
9814 },
9815
9816 getJSON: function( url, data, callback ) {
9817 return jQuery.get( url, data, callback, "json" );
9818 },
9819
9820 getScript: function( url, callback ) {
9821 return jQuery.get( url, undefined, callback, "script" );
9822 }
9823 } );
9824
9825 jQuery.each( [ "get", "post" ], function( _i, method ) {
9826 jQuery[ method ] = function( url, data, callback, type ) {
9827
9828 // Shift arguments if data argument was omitted
9829 if ( isFunction( data ) ) {
9830 type = type || callback;
9831 callback = data;
9832 data = undefined;
9833 }
9834
9835 // The url can be an options object (which then must have .url)
9836 return jQuery.ajax( jQuery.extend( {
9837 url: url,
9838 type: method,
9839 dataType: type,
9840 data: data,
9841 success: callback
9842 }, jQuery.isPlainObject( url ) && url ) );
9843 };
9844 } );
9845
9846 jQuery.ajaxPrefilter( function( s ) {
9847 var i;
9848 for ( i in s.headers ) {
9849 if ( i.toLowerCase() === "content-type" ) {
9850 s.contentType = s.headers[ i ] || "";
9851 }
9852 }
9853 } );
9854
9855
9856 jQuery._evalUrl = function( url, options, doc ) {
9857 return jQuery.ajax( {
9858 url: url,
9859
9860 // Make this explicit, since user can override this through ajaxSetup (#11264)
9861 type: "GET",
9862 dataType: "script",
9863 cache: true,
9864 async: false,
9865 global: false,
9866
9867 // Only evaluate the response if it is successful (gh-4126)
9868 // dataFilter is not invoked for failure responses, so using it instead
9869 // of the default converter is kludgy but it works.
9870 converters: {
9871 "text script": function() {}
9872 },
9873 dataFilter: function( response ) {
9874 jQuery.globalEval( response, options, doc );
9875 }
9876 } );
9877 };
9878
9879
9880 jQuery.fn.extend( {
9881 wrapAll: function( html ) {
9882 var wrap;
9883
9884 if ( this[ 0 ] ) {
9885 if ( isFunction( html ) ) {
9886 html = html.call( this[ 0 ] );
9887 }
9888
9889 // The elements to wrap the target around
9890 wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9891
9892 if ( this[ 0 ].parentNode ) {
9893 wrap.insertBefore( this[ 0 ] );
9894 }
9895
9896 wrap.map( function() {
9897 var elem = this;
9898
9899 while ( elem.firstElementChild ) {
9900 elem = elem.firstElementChild;
9901 }
9902
9903 return elem;
9904 } ).append( this );
9905 }
9906
9907 return this;
9908 },
9909
9910 wrapInner: function( html ) {
9911 if ( isFunction( html ) ) {
9912 return this.each( function( i ) {
9913 jQuery( this ).wrapInner( html.call( this, i ) );
9914 } );
9915 }
9916
9917 return this.each( function() {
9918 var self = jQuery( this ),
9919 contents = self.contents();
9920
9921 if ( contents.length ) {
9922 contents.wrapAll( html );
9923
9924 } else {
9925 self.append( html );
9926 }
9927 } );
9928 },
9929
9930 wrap: function( html ) {
9931 var htmlIsFunction = isFunction( html );
9932
9933 return this.each( function( i ) {
9934 jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
9935 } );
9936 },
9937
9938 unwrap: function( selector ) {
9939 this.parent( selector ).not( "body" ).each( function() {
9940 jQuery( this ).replaceWith( this.childNodes );
9941 } );
9942 return this;
9943 }
9944 } );
9945
9946
9947 jQuery.expr.pseudos.hidden = function( elem ) {
9948 return !jQuery.expr.pseudos.visible( elem );
9949 };
9950 jQuery.expr.pseudos.visible = function( elem ) {
9951 return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9952 };
9953
9954
9955
9956
9957 jQuery.ajaxSettings.xhr = function() {
9958 try {
9959 return new window.XMLHttpRequest();
9960 } catch ( e ) {}
9961 };
9962
9963 var xhrSuccessStatus = {
9964
9965 // File protocol always yields status code 0, assume 200
9966 0: 200,
9967
9968 // Support: IE <=9 only
9969 // #1450: sometimes IE returns 1223 when it should be 204
9970 1223: 204
9971 },
9972 xhrSupported = jQuery.ajaxSettings.xhr();
9973
9974 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9975 support.ajax = xhrSupported = !!xhrSupported;
9976
9977 jQuery.ajaxTransport( function( options ) {
9978 var callback, errorCallback;
9979
9980 // Cross domain only allowed if supported through XMLHttpRequest
9981 if ( support.cors || xhrSupported && !options.crossDomain ) {
9982 return {
9983 send: function( headers, complete ) {
9984 var i,
9985 xhr = options.xhr();
9986
9987 xhr.open(
9988 options.type,
9989 options.url,
9990 options.async,
9991 options.username,
9992 options.password
9993 );
9994
9995 // Apply custom fields if provided
9996 if ( options.xhrFields ) {
9997 for ( i in options.xhrFields ) {
9998 xhr[ i ] = options.xhrFields[ i ];
9999 }
10000 }
10001
10002 // Override mime type if needed
10003 if ( options.mimeType && xhr.overrideMimeType ) {
10004 xhr.overrideMimeType( options.mimeType );
10005 }
10006
10007 // X-Requested-With header
10008 // For cross-domain requests, seeing as conditions for a preflight are
10009 // akin to a jigsaw puzzle, we simply never set it to be sure.
10010 // (it can always be set on a per-request basis or even using ajaxSetup)
10011 // For same-domain requests, won't change header if already provided.
10012 if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
10013 headers[ "X-Requested-With" ] = "XMLHttpRequest";
10014 }
10015
10016 // Set headers
10017 for ( i in headers ) {
10018 xhr.setRequestHeader( i, headers[ i ] );
10019 }
10020
10021 // Callback
10022 callback = function( type ) {
10023 return function() {
10024 if ( callback ) {
10025 callback = errorCallback = xhr.onload =
10026 xhr.onerror = xhr.onabort = xhr.ontimeout =
10027 xhr.onreadystatechange = null;
10028
10029 if ( type === "abort" ) {
10030 xhr.abort();
10031 } else if ( type === "error" ) {
10032
10033 // Support: IE <=9 only
10034 // On a manual native abort, IE9 throws
10035 // errors on any property access that is not readyState
10036 if ( typeof xhr.status !== "number" ) {
10037 complete( 0, "error" );
10038 } else {
10039 complete(
10040
10041 // File: protocol always yields status 0; see #8605, #14207
10042 xhr.status,
10043 xhr.statusText
10044 );
10045 }
10046 } else {
10047 complete(
10048 xhrSuccessStatus[ xhr.status ] || xhr.status,
10049 xhr.statusText,
10050
10051 // Support: IE <=9 only
10052 // IE9 has no XHR2 but throws on binary (trac-11426)
10053 // For XHR2 non-text, let the caller handle it (gh-2498)
10054 ( xhr.responseType || "text" ) !== "text" ||
10055 typeof xhr.responseText !== "string" ?
10056 { binary: xhr.response } :
10057 { text: xhr.responseText },
10058 xhr.getAllResponseHeaders()
10059 );
10060 }
10061 }
10062 };
10063 };
10064
10065 // Listen to events
10066 xhr.onload = callback();
10067 errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
10068
10069 // Support: IE 9 only
10070 // Use onreadystatechange to replace onabort
10071 // to handle uncaught aborts
10072 if ( xhr.onabort !== undefined ) {
10073 xhr.onabort = errorCallback;
10074 } else {
10075 xhr.onreadystatechange = function() {
10076
10077 // Check readyState before timeout as it changes
10078 if ( xhr.readyState === 4 ) {
10079
10080 // Allow onerror to be called first,
10081 // but that will not handle a native abort
10082 // Also, save errorCallback to a variable
10083 // as xhr.onerror cannot be accessed
10084 window.setTimeout( function() {
10085 if ( callback ) {
10086 errorCallback();
10087 }
10088 } );
10089 }
10090 };
10091 }
10092
10093 // Create the abort callback
10094 callback = callback( "abort" );
10095
10096 try {
10097
10098 // Do send the request (this may raise an exception)
10099 xhr.send( options.hasContent && options.data || null );
10100 } catch ( e ) {
10101
10102 // #14683: Only rethrow if this hasn't been notified as an error yet
10103 if ( callback ) {
10104 throw e;
10105 }
10106 }
10107 },
10108
10109 abort: function() {
10110 if ( callback ) {
10111 callback();
10112 }
10113 }
10114 };
10115 }
10116 } );
10117
10118
10119
10120
10121 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
10122 jQuery.ajaxPrefilter( function( s ) {
10123 if ( s.crossDomain ) {
10124 s.contents.script = false;
10125 }
10126 } );
10127
10128 // Install script dataType
10129 jQuery.ajaxSetup( {
10130 accepts: {
10131 script: "text/javascript, application/javascript, " +
10132 "application/ecmascript, application/x-ecmascript"
10133 },
10134 contents: {
10135 script: /\b(?:java|ecma)script\b/
10136 },
10137 converters: {
10138 "text script": function( text ) {
10139 jQuery.globalEval( text );
10140 return text;
10141 }
10142 }
10143 } );
10144
10145 // Handle cache's special case and crossDomain
10146 jQuery.ajaxPrefilter( "script", function( s ) {
10147 if ( s.cache === undefined ) {
10148 s.cache = false;
10149 }
10150 if ( s.crossDomain ) {
10151 s.type = "GET";
10152 }
10153 } );
10154
10155 // Bind script tag hack transport
10156 jQuery.ajaxTransport( "script", function( s ) {
10157
10158 // This transport only deals with cross domain or forced-by-attrs requests
10159 if ( s.crossDomain || s.scriptAttrs ) {
10160 var script, callback;
10161 return {
10162 send: function( _, complete ) {
10163 script = jQuery( "<script>" )
10164 .attr( s.scriptAttrs || {} )
10165 .prop( { charset: s.scriptCharset, src: s.url } )
10166 .on( "load error", callback = function( evt ) {
10167 script.remove();
10168 callback = null;
10169 if ( evt ) {
10170 complete( evt.type === "error" ? 404 : 200, evt.type );
10171 }
10172 } );
10173
10174 // Use native DOM manipulation to avoid our domManip AJAX trickery
10175 document.head.appendChild( script[ 0 ] );
10176 },
10177 abort: function() {
10178 if ( callback ) {
10179 callback();
10180 }
10181 }
10182 };
10183 }
10184 } );
10185
10186
10187
10188
10189 var oldCallbacks = [],
10190 rjsonp = /(=)\?(?=&|$)|\?\?/;
10191
10192 // Default jsonp settings
10193 jQuery.ajaxSetup( {
10194 jsonp: "callback",
10195 jsonpCallback: function() {
10196 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce.guid++ ) );
10197 this[ callback ] = true;
10198 return callback;
10199 }
10200 } );
10201
10202 // Detect, normalize options and install callbacks for jsonp requests
10203 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
10204
10205 var callbackName, overwritten, responseContainer,
10206 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
10207 "url" :
10208 typeof s.data === "string" &&
10209 ( s.contentType || "" )
10210 .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
10211 rjsonp.test( s.data ) && "data"
10212 );
10213
10214 // Handle iff the expected data type is "jsonp" or we have a parameter to set
10215 if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
10216
10217 // Get callback name, remembering preexisting value associated with it
10218 callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
10219 s.jsonpCallback() :
10220 s.jsonpCallback;
10221
10222 // Insert callback into url or form data
10223 if ( jsonProp ) {
10224 s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
10225 } else if ( s.jsonp !== false ) {
10226 s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
10227 }
10228
10229 // Use data converter to retrieve json after script execution
10230 s.converters[ "script json" ] = function() {
10231 if ( !responseContainer ) {
10232 jQuery.error( callbackName + " was not called" );
10233 }
10234 return responseContainer[ 0 ];
10235 };
10236
10237 // Force json dataType
10238 s.dataTypes[ 0 ] = "json";
10239
10240 // Install callback
10241 overwritten = window[ callbackName ];
10242 window[ callbackName ] = function() {
10243 responseContainer = arguments;
10244 };
10245
10246 // Clean-up function (fires after converters)
10247 jqXHR.always( function() {
10248
10249 // If previous value didn't exist - remove it
10250 if ( overwritten === undefined ) {
10251 jQuery( window ).removeProp( callbackName );
10252
10253 // Otherwise restore preexisting value
10254 } else {
10255 window[ callbackName ] = overwritten;
10256 }
10257
10258 // Save back as free
10259 if ( s[ callbackName ] ) {
10260
10261 // Make sure that re-using the options doesn't screw things around
10262 s.jsonpCallback = originalSettings.jsonpCallback;
10263
10264 // Save the callback name for future use
10265 oldCallbacks.push( callbackName );
10266 }
10267
10268 // Call if it was a function and we have a response
10269 if ( responseContainer && isFunction( overwritten ) ) {
10270 overwritten( responseContainer[ 0 ] );
10271 }
10272
10273 responseContainer = overwritten = undefined;
10274 } );
10275
10276 // Delegate to script
10277 return "script";
10278 }
10279 } );
10280
10281
10282
10283
10284 // Support: Safari 8 only
10285 // In Safari 8 documents created via document.implementation.createHTMLDocument
10286 // collapse sibling forms: the second one becomes a child of the first one.
10287 // Because of that, this security measure has to be disabled in Safari 8.
10288 // https://bugs.webkit.org/show_bug.cgi?id=137337
10289 support.createHTMLDocument = ( function() {
10290 var body = document.implementation.createHTMLDocument( "" ).body;
10291 body.innerHTML = "<form></form><form></form>";
10292 return body.childNodes.length === 2;
10293 } )();
10294
10295
10296 // Argument "data" should be string of html
10297 // context (optional): If specified, the fragment will be created in this context,
10298 // defaults to document
10299 // keepScripts (optional): If true, will include scripts passed in the html string
10300 jQuery.parseHTML = function( data, context, keepScripts ) {
10301 if ( typeof data !== "string" ) {
10302 return [];
10303 }
10304 if ( typeof context === "boolean" ) {
10305 keepScripts = context;
10306 context = false;
10307 }
10308
10309 var base, parsed, scripts;
10310
10311 if ( !context ) {
10312
10313 // Stop scripts or inline event handlers from being executed immediately
10314 // by using document.implementation
10315 if ( support.createHTMLDocument ) {
10316 context = document.implementation.createHTMLDocument( "" );
10317
10318 // Set the base href for the created document
10319 // so any parsed elements with URLs
10320 // are based on the document's URL (gh-2965)
10321 base = context.createElement( "base" );
10322 base.href = document.location.href;
10323 context.head.appendChild( base );
10324 } else {
10325 context = document;
10326 }
10327 }
10328
10329 parsed = rsingleTag.exec( data );
10330 scripts = !keepScripts && [];
10331
10332 // Single tag
10333 if ( parsed ) {
10334 return [ context.createElement( parsed[ 1 ] ) ];
10335 }
10336
10337 parsed = buildFragment( [ data ], context, scripts );
10338
10339 if ( scripts && scripts.length ) {
10340 jQuery( scripts ).remove();
10341 }
10342
10343 return jQuery.merge( [], parsed.childNodes );
10344 };
10345
10346
10347 /**
10348 * Load a url into a page
10349 */
10350 jQuery.fn.load = function( url, params, callback ) {
10351 var selector, type, response,
10352 self = this,
10353 off = url.indexOf( " " );
10354
10355 if ( off > -1 ) {
10356 selector = stripAndCollapse( url.slice( off ) );
10357 url = url.slice( 0, off );
10358 }
10359
10360 // If it's a function
10361 if ( isFunction( params ) ) {
10362
10363 // We assume that it's the callback
10364 callback = params;
10365 params = undefined;
10366
10367 // Otherwise, build a param string
10368 } else if ( params && typeof params === "object" ) {
10369 type = "POST";
10370 }
10371
10372 // If we have elements to modify, make the request
10373 if ( self.length > 0 ) {
10374 jQuery.ajax( {
10375 url: url,
10376
10377 // If "type" variable is undefined, then "GET" method will be used.
10378 // Make value of this field explicit since
10379 // user can override it through ajaxSetup method
10380 type: type || "GET",
10381 dataType: "html",
10382 data: params
10383 } ).done( function( responseText ) {
10384
10385 // Save response for use in complete callback
10386 response = arguments;
10387
10388 self.html( selector ?
10389
10390 // If a selector was specified, locate the right elements in a dummy div
10391 // Exclude scripts to avoid IE 'Permission Denied' errors
10392 jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
10393
10394 // Otherwise use the full result
10395 responseText );
10396
10397 // If the request succeeds, this function gets "data", "status", "jqXHR"
10398 // but they are ignored because response was set above.
10399 // If it fails, this function gets "jqXHR", "status", "error"
10400 } ).always( callback && function( jqXHR, status ) {
10401 self.each( function() {
10402 callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
10403 } );
10404 } );
10405 }
10406
10407 return this;
10408 };
10409
10410
10411
10412
10413 jQuery.expr.pseudos.animated = function( elem ) {
10414 return jQuery.grep( jQuery.timers, function( fn ) {
10415 return elem === fn.elem;
10416 } ).length;
10417 };
10418
10419
10420
10421
10422 jQuery.offset = {
10423 setOffset: function( elem, options, i ) {
10424 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10425 position = jQuery.css( elem, "position" ),
10426 curElem = jQuery( elem ),
10427 props = {};
10428
10429 // Set position first, in-case top/left are set even on static elem
10430 if ( position === "static" ) {
10431 elem.style.position = "relative";
10432 }
10433
10434 curOffset = curElem.offset();
10435 curCSSTop = jQuery.css( elem, "top" );
10436 curCSSLeft = jQuery.css( elem, "left" );
10437 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10438 ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
10439
10440 // Need to be able to calculate position if either
10441 // top or left is auto and position is either absolute or fixed
10442 if ( calculatePosition ) {
10443 curPosition = curElem.position();
10444 curTop = curPosition.top;
10445 curLeft = curPosition.left;
10446
10447 } else {
10448 curTop = parseFloat( curCSSTop ) || 0;
10449 curLeft = parseFloat( curCSSLeft ) || 0;
10450 }
10451
10452 if ( isFunction( options ) ) {
10453
10454 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
10455 options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
10456 }
10457
10458 if ( options.top != null ) {
10459 props.top = ( options.top - curOffset.top ) + curTop;
10460 }
10461 if ( options.left != null ) {
10462 props.left = ( options.left - curOffset.left ) + curLeft;
10463 }
10464
10465 if ( "using" in options ) {
10466 options.using.call( elem, props );
10467
10468 } else {
10469 if ( typeof props.top === "number" ) {
10470 props.top += "px";
10471 }
10472 if ( typeof props.left === "number" ) {
10473 props.left += "px";
10474 }
10475 curElem.css( props );
10476 }
10477 }
10478 };
10479
10480 jQuery.fn.extend( {
10481
10482 // offset() relates an element's border box to the document origin
10483 offset: function( options ) {
10484
10485 // Preserve chaining for setter
10486 if ( arguments.length ) {
10487 return options === undefined ?
10488 this :
10489 this.each( function( i ) {
10490 jQuery.offset.setOffset( this, options, i );
10491 } );
10492 }
10493
10494 var rect, win,
10495 elem = this[ 0 ];
10496
10497 if ( !elem ) {
10498 return;
10499 }
10500
10501 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
10502 // Support: IE <=11 only
10503 // Running getBoundingClientRect on a
10504 // disconnected node in IE throws an error
10505 if ( !elem.getClientRects().length ) {
10506 return { top: 0, left: 0 };
10507 }
10508
10509 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
10510 rect = elem.getBoundingClientRect();
10511 win = elem.ownerDocument.defaultView;
10512 return {
10513 top: rect.top + win.pageYOffset,
10514 left: rect.left + win.pageXOffset
10515 };
10516 },
10517
10518 // position() relates an element's margin box to its offset parent's padding box
10519 // This corresponds to the behavior of CSS absolute positioning
10520 position: function() {
10521 if ( !this[ 0 ] ) {
10522 return;
10523 }
10524
10525 var offsetParent, offset, doc,
10526 elem = this[ 0 ],
10527 parentOffset = { top: 0, left: 0 };
10528
10529 // position:fixed elements are offset from the viewport, which itself always has zero offset
10530 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10531
10532 // Assume position:fixed implies availability of getBoundingClientRect
10533 offset = elem.getBoundingClientRect();
10534
10535 } else {
10536 offset = this.offset();
10537
10538 // Account for the *real* offset parent, which can be the document or its root element
10539 // when a statically positioned element is identified
10540 doc = elem.ownerDocument;
10541 offsetParent = elem.offsetParent || doc.documentElement;
10542 while ( offsetParent &&
10543 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
10544 jQuery.css( offsetParent, "position" ) === "static" ) {
10545
10546 offsetParent = offsetParent.parentNode;
10547 }
10548 if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
10549
10550 // Incorporate borders into its offset, since they are outside its content origin
10551 parentOffset = jQuery( offsetParent ).offset();
10552 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
10553 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
10554 }
10555 }
10556
10557 // Subtract parent offsets and element margins
10558 return {
10559 top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10560 left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
10561 };
10562 },
10563
10564 // This method will return documentElement in the following cases:
10565 // 1) For the element inside the iframe without offsetParent, this method will return
10566 // documentElement of the parent window
10567 // 2) For the hidden or detached element
10568 // 3) For body or html element, i.e. in case of the html node - it will return itself
10569 //
10570 // but those exceptions were never presented as a real life use-cases
10571 // and might be considered as more preferable results.
10572 //
10573 // This logic, however, is not guaranteed and can change at any point in the future
10574 offsetParent: function() {
10575 return this.map( function() {
10576 var offsetParent = this.offsetParent;
10577
10578 while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
10579 offsetParent = offsetParent.offsetParent;
10580 }
10581
10582 return offsetParent || documentElement;
10583 } );
10584 }
10585 } );
10586
10587 // Create scrollLeft and scrollTop methods
10588 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10589 var top = "pageYOffset" === prop;
10590
10591 jQuery.fn[ method ] = function( val ) {
10592 return access( this, function( elem, method, val ) {
10593
10594 // Coalesce documents and windows
10595 var win;
10596 if ( isWindow( elem ) ) {
10597 win = elem;
10598 } else if ( elem.nodeType === 9 ) {
10599 win = elem.defaultView;
10600 }
10601
10602 if ( val === undefined ) {
10603 return win ? win[ prop ] : elem[ method ];
10604 }
10605
10606 if ( win ) {
10607 win.scrollTo(
10608 !top ? val : win.pageXOffset,
10609 top ? val : win.pageYOffset
10610 );
10611
10612 } else {
10613 elem[ method ] = val;
10614 }
10615 }, method, val, arguments.length );
10616 };
10617 } );
10618
10619 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
10620 // Add the top/left cssHooks using jQuery.fn.position
10621 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10622 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
10623 // getComputedStyle returns percent when specified for top/left/bottom/right;
10624 // rather than make the css module depend on the offset module, just check for it here
10625 jQuery.each( [ "top", "left" ], function( _i, prop ) {
10626 jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10627 function( elem, computed ) {
10628 if ( computed ) {
10629 computed = curCSS( elem, prop );
10630
10631 // If curCSS returns percentage, fallback to offset
10632 return rnumnonpx.test( computed ) ?
10633 jQuery( elem ).position()[ prop ] + "px" :
10634 computed;
10635 }
10636 }
10637 );
10638 } );
10639
10640
10641 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10642 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10643 jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
10644 function( defaultExtra, funcName ) {
10645
10646 // Margin is only for outerHeight, outerWidth
10647 jQuery.fn[ funcName ] = function( margin, value ) {
10648 var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10649 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10650
10651 return access( this, function( elem, type, value ) {
10652 var doc;
10653
10654 if ( isWindow( elem ) ) {
10655
10656 // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
10657 return funcName.indexOf( "outer" ) === 0 ?
10658 elem[ "inner" + name ] :
10659 elem.document.documentElement[ "client" + name ];
10660 }
10661
10662 // Get document width or height
10663 if ( elem.nodeType === 9 ) {
10664 doc = elem.documentElement;
10665
10666 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10667 // whichever is greatest
10668 return Math.max(
10669 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10670 elem.body[ "offset" + name ], doc[ "offset" + name ],
10671 doc[ "client" + name ]
10672 );
10673 }
10674
10675 return value === undefined ?
10676
10677 // Get width or height on the element, requesting but not forcing parseFloat
10678 jQuery.css( elem, type, extra ) :
10679
10680 // Set width or height on the element
10681 jQuery.style( elem, type, value, extra );
10682 }, type, chainable ? margin : undefined, chainable );
10683 };
10684 } );
10685 } );
10686
10687
10688 jQuery.each( [
10689 "ajaxStart",
10690 "ajaxStop",
10691 "ajaxComplete",
10692 "ajaxError",
10693 "ajaxSuccess",
10694 "ajaxSend"
10695 ], function( _i, type ) {
10696 jQuery.fn[ type ] = function( fn ) {
10697 return this.on( type, fn );
10698 };
10699 } );
10700
10701
10702
10703
10704 jQuery.fn.extend( {
10705
10706 bind: function( types, data, fn ) {
10707 return this.on( types, null, data, fn );
10708 },
10709 unbind: function( types, fn ) {
10710 return this.off( types, null, fn );
10711 },
10712
10713 delegate: function( selector, types, data, fn ) {
10714 return this.on( types, selector, data, fn );
10715 },
10716 undelegate: function( selector, types, fn ) {
10717
10718 // ( namespace ) or ( selector, types [, fn] )
10719 return arguments.length === 1 ?
10720 this.off( selector, "**" ) :
10721 this.off( types, selector || "**", fn );
10722 },
10723
10724 hover: function( fnOver, fnOut ) {
10725 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
10726 }
10727 } );
10728
10729 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
10730 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
10731 "change select submit keydown keypress keyup contextmenu" ).split( " " ),
10732 function( _i, name ) {
10733
10734 // Handle event binding
10735 jQuery.fn[ name ] = function( data, fn ) {
10736 return arguments.length > 0 ?
10737 this.on( name, null, data, fn ) :
10738 this.trigger( name );
10739 };
10740 } );
10741
10742
10743
10744
10745 // Support: Android <=4.0 only
10746 // Make sure we trim BOM and NBSP
10747 var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
10748
10749 // Bind a function to a context, optionally partially applying any
10750 // arguments.
10751 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
10752 // However, it is not slated for removal any time soon
10753 jQuery.proxy = function( fn, context ) {
10754 var tmp, args, proxy;
10755
10756 if ( typeof context === "string" ) {
10757 tmp = fn[ context ];
10758 context = fn;
10759 fn = tmp;
10760 }
10761
10762 // Quick check to determine if target is callable, in the spec
10763 // this throws a TypeError, but we will just return undefined.
10764 if ( !isFunction( fn ) ) {
10765 return undefined;
10766 }
10767
10768 // Simulated bind
10769 args = slice.call( arguments, 2 );
10770 proxy = function() {
10771 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
10772 };
10773
10774 // Set the guid of unique handler to the same of original handler, so it can be removed
10775 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
10776
10777 return proxy;
10778 };
10779
10780 jQuery.holdReady = function( hold ) {
10781 if ( hold ) {
10782 jQuery.readyWait++;
10783 } else {
10784 jQuery.ready( true );
10785 }
10786 };
10787 jQuery.isArray = Array.isArray;
10788 jQuery.parseJSON = JSON.parse;
10789 jQuery.nodeName = nodeName;
10790 jQuery.isFunction = isFunction;
10791 jQuery.isWindow = isWindow;
10792 jQuery.camelCase = camelCase;
10793 jQuery.type = toType;
10794
10795 jQuery.now = Date.now;
10796
10797 jQuery.isNumeric = function( obj ) {
10798
10799 // As of jQuery 3.0, isNumeric is limited to
10800 // strings and numbers (primitives or objects)
10801 // that can be coerced to finite numbers (gh-2662)
10802 var type = jQuery.type( obj );
10803 return ( type === "number" || type === "string" ) &&
10804
10805 // parseFloat NaNs numeric-cast false positives ("")
10806 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
10807 // subtraction forces infinities to NaN
10808 !isNaN( obj - parseFloat( obj ) );
10809 };
10810
10811 jQuery.trim = function( text ) {
10812 return text == null ?
10813 "" :
10814 ( text + "" ).replace( rtrim, "" );
10815 };
10816
10817
10818
10819 // Register as a named AMD module, since jQuery can be concatenated with other
10820 // files that may use define, but not via a proper concatenation script that
10821 // understands anonymous AMD modules. A named AMD is safest and most robust
10822 // way to register. Lowercase jquery is used because AMD module names are
10823 // derived from file names, and jQuery is normally delivered in a lowercase
10824 // file name. Do this after creating the global so that if an AMD module wants
10825 // to call noConflict to hide this version of jQuery, it will work.
10826
10827 // Note that for maximum portability, libraries that are not jQuery should
10828 // declare themselves as anonymous modules, and avoid setting a global if an
10829 // AMD loader is present. jQuery is a special case. For more information, see
10830 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10831
10832 if ( typeof define === "function" && define.amd ) {
10833 define( "jquery", [], function() {
10834 return jQuery;
10835 } );
10836 }
10837
10838
10839
10840
10841 var
10842
10843 // Map over jQuery in case of overwrite
10844 _jQuery = window.jQuery,
10845
10846 // Map over the $ in case of overwrite
10847 _$ = window.$;
10848
10849 jQuery.noConflict = function( deep ) {
10850 if ( window.$ === jQuery ) {
10851 window.$ = _$;
10852 }
10853
10854 if ( deep && window.jQuery === jQuery ) {
10855 window.jQuery = _jQuery;
10856 }
10857
10858 return jQuery;
10859 };
10860
10861 // Expose jQuery and $ identifiers, even in AMD
10862 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10863 // and CommonJS for browser emulators (#13566)
10864 if ( typeof noGlobal === "undefined" ) {
10865 window.jQuery = window.$ = jQuery;
10866 }
10867
10868
10869
10870
10871 return jQuery;
10872 } );