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1 /*!
2 * jQuery JavaScript Library v3.4.1
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: 2019-05-01T21:04Z
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 document = window.document;
51
52 var getProto = Object.getPrototypeOf;
53
54 var slice = arr.slice;
55
56 var concat = arr.concat;
57
58 var push = arr.push;
59
60 var indexOf = arr.indexOf;
61
62 var class2type = {};
63
64 var toString = class2type.toString;
65
66 var hasOwn = class2type.hasOwnProperty;
67
68 var fnToString = hasOwn.toString;
69
70 var ObjectFunctionString = fnToString.call( Object );
71
72 var support = {};
73
74 var isFunction = function isFunction( obj ) {
75
76 // Support: Chrome <=57, Firefox <=52
77 // In some browsers, typeof returns "function" for HTML <object> elements
78 // (i.e., `typeof document.createElement( "object" ) === "function"`).
79 // We don't want to classify *any* DOM node as a function.
80 return typeof obj === "function" && typeof obj.nodeType !== "number";
81 };
82
83
84 var isWindow = function isWindow( obj ) {
85 return obj != null && obj === obj.window;
86 };
87
88
89
90
91 var preservedScriptAttributes = {
92 type: true,
93 src: true,
94 nonce: true,
95 noModule: true
96 };
97
98 function DOMEval( code, node, doc ) {
99 doc = doc || document;
100
101 var i, val,
102 script = doc.createElement( "script" );
103
104 script.text = code;
105 if ( node ) {
106 for ( i in preservedScriptAttributes ) {
107
108 // Support: Firefox 64+, Edge 18+
109 // Some browsers don't support the "nonce" property on scripts.
110 // On the other hand, just using `getAttribute` is not enough as
111 // the `nonce` attribute is reset to an empty string whenever it
112 // becomes browsing-context connected.
113 // See https://github.com/whatwg/html/issues/2369
114 // See https://html.spec.whatwg.org/#nonce-attributes
115 // The `node.getAttribute` check was added for the sake of
116 // `jQuery.globalEval` so that it can fake a nonce-containing node
117 // via an object.
118 val = node[ i ] || node.getAttribute && node.getAttribute( i );
119 if ( val ) {
120 script.setAttribute( i, val );
121 }
122 }
123 }
124 doc.head.appendChild( script ).parentNode.removeChild( script );
125 }
126
127
128 function toType( obj ) {
129 if ( obj == null ) {
130 return obj + "";
131 }
132
133 // Support: Android <=2.3 only (functionish RegExp)
134 return typeof obj === "object" || typeof obj === "function" ?
135 class2type[ toString.call( obj ) ] || "object" :
136 typeof obj;
137 }
138 /* global Symbol */
139 // Defining this global in .eslintrc.json would create a danger of using the global
140 // unguarded in another place, it seems safer to define global only for this module
141
142
143
144 var
145 version = "3.4.1",
146
147 // Define a local copy of jQuery
148 jQuery = function( selector, context ) {
149
150 // The jQuery object is actually just the init constructor 'enhanced'
151 // Need init if jQuery is called (just allow error to be thrown if not included)
152 return new jQuery.fn.init( selector, context );
153 },
154
155 // Support: Android <=4.0 only
156 // Make sure we trim BOM and NBSP
157 rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
158
159 jQuery.fn = jQuery.prototype = {
160
161 // The current version of jQuery being used
162 jquery: version,
163
164 constructor: jQuery,
165
166 // The default length of a jQuery object is 0
167 length: 0,
168
169 toArray: function() {
170 return slice.call( this );
171 },
172
173 // Get the Nth element in the matched element set OR
174 // Get the whole matched element set as a clean array
175 get: function( num ) {
176
177 // Return all the elements in a clean array
178 if ( num == null ) {
179 return slice.call( this );
180 }
181
182 // Return just the one element from the set
183 return num < 0 ? this[ num + this.length ] : this[ num ];
184 },
185
186 // Take an array of elements and push it onto the stack
187 // (returning the new matched element set)
188 pushStack: function( elems ) {
189
190 // Build a new jQuery matched element set
191 var ret = jQuery.merge( this.constructor(), elems );
192
193 // Add the old object onto the stack (as a reference)
194 ret.prevObject = this;
195
196 // Return the newly-formed element set
197 return ret;
198 },
199
200 // Execute a callback for every element in the matched set.
201 each: function( callback ) {
202 return jQuery.each( this, callback );
203 },
204
205 map: function( callback ) {
206 return this.pushStack( jQuery.map( this, function( elem, i ) {
207 return callback.call( elem, i, elem );
208 } ) );
209 },
210
211 slice: function() {
212 return this.pushStack( slice.apply( this, arguments ) );
213 },
214
215 first: function() {
216 return this.eq( 0 );
217 },
218
219 last: function() {
220 return this.eq( -1 );
221 },
222
223 eq: function( i ) {
224 var len = this.length,
225 j = +i + ( i < 0 ? len : 0 );
226 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
227 },
228
229 end: function() {
230 return this.prevObject || this.constructor();
231 },
232
233 // For internal use only.
234 // Behaves like an Array's method, not like a jQuery method.
235 push: push,
236 sort: arr.sort,
237 splice: arr.splice
238 };
239
240 jQuery.extend = jQuery.fn.extend = function() {
241 var options, name, src, copy, copyIsArray, clone,
242 target = arguments[ 0 ] || {},
243 i = 1,
244 length = arguments.length,
245 deep = false;
246
247 // Handle a deep copy situation
248 if ( typeof target === "boolean" ) {
249 deep = target;
250
251 // Skip the boolean and the target
252 target = arguments[ i ] || {};
253 i++;
254 }
255
256 // Handle case when target is a string or something (possible in deep copy)
257 if ( typeof target !== "object" && !isFunction( target ) ) {
258 target = {};
259 }
260
261 // Extend jQuery itself if only one argument is passed
262 if ( i === length ) {
263 target = this;
264 i--;
265 }
266
267 for ( ; i < length; i++ ) {
268
269 // Only deal with non-null/undefined values
270 if ( ( options = arguments[ i ] ) != null ) {
271
272 // Extend the base object
273 for ( name in options ) {
274 copy = options[ name ];
275
276 // Prevent Object.prototype pollution
277 // Prevent never-ending loop
278 if ( name === "__proto__" || target === copy ) {
279 continue;
280 }
281
282 // Recurse if we're merging plain objects or arrays
283 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
284 ( copyIsArray = Array.isArray( copy ) ) ) ) {
285 src = target[ name ];
286
287 // Ensure proper type for the source value
288 if ( copyIsArray && !Array.isArray( src ) ) {
289 clone = [];
290 } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
291 clone = {};
292 } else {
293 clone = src;
294 }
295 copyIsArray = false;
296
297 // Never move original objects, clone them
298 target[ name ] = jQuery.extend( deep, clone, copy );
299
300 // Don't bring in undefined values
301 } else if ( copy !== undefined ) {
302 target[ name ] = copy;
303 }
304 }
305 }
306 }
307
308 // Return the modified object
309 return target;
310 };
311
312 jQuery.extend( {
313
314 // Unique for each copy of jQuery on the page
315 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
316
317 // Assume jQuery is ready without the ready module
318 isReady: true,
319
320 error: function( msg ) {
321 throw new Error( msg );
322 },
323
324 noop: function() {},
325
326 isPlainObject: function( obj ) {
327 var proto, Ctor;
328
329 // Detect obvious negatives
330 // Use toString instead of jQuery.type to catch host objects
331 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
332 return false;
333 }
334
335 proto = getProto( obj );
336
337 // Objects with no prototype (e.g., `Object.create( null )`) are plain
338 if ( !proto ) {
339 return true;
340 }
341
342 // Objects with prototype are plain iff they were constructed by a global Object function
343 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
344 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
345 },
346
347 isEmptyObject: function( obj ) {
348 var name;
349
350 for ( name in obj ) {
351 return false;
352 }
353 return true;
354 },
355
356 // Evaluates a script in a global context
357 globalEval: function( code, options ) {
358 DOMEval( code, { nonce: options && options.nonce } );
359 },
360
361 each: function( obj, callback ) {
362 var length, i = 0;
363
364 if ( isArrayLike( obj ) ) {
365 length = obj.length;
366 for ( ; i < length; i++ ) {
367 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
368 break;
369 }
370 }
371 } else {
372 for ( i in obj ) {
373 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
374 break;
375 }
376 }
377 }
378
379 return obj;
380 },
381
382 // Support: Android <=4.0 only
383 trim: function( text ) {
384 return text == null ?
385 "" :
386 ( text + "" ).replace( rtrim, "" );
387 },
388
389 // results is for internal usage only
390 makeArray: function( arr, results ) {
391 var ret = results || [];
392
393 if ( arr != null ) {
394 if ( isArrayLike( Object( arr ) ) ) {
395 jQuery.merge( ret,
396 typeof arr === "string" ?
397 [ arr ] : arr
398 );
399 } else {
400 push.call( ret, arr );
401 }
402 }
403
404 return ret;
405 },
406
407 inArray: function( elem, arr, i ) {
408 return arr == null ? -1 : indexOf.call( arr, elem, i );
409 },
410
411 // Support: Android <=4.0 only, PhantomJS 1 only
412 // push.apply(_, arraylike) throws on ancient WebKit
413 merge: function( first, second ) {
414 var len = +second.length,
415 j = 0,
416 i = first.length;
417
418 for ( ; j < len; j++ ) {
419 first[ i++ ] = second[ j ];
420 }
421
422 first.length = i;
423
424 return first;
425 },
426
427 grep: function( elems, callback, invert ) {
428 var callbackInverse,
429 matches = [],
430 i = 0,
431 length = elems.length,
432 callbackExpect = !invert;
433
434 // Go through the array, only saving the items
435 // that pass the validator function
436 for ( ; i < length; i++ ) {
437 callbackInverse = !callback( elems[ i ], i );
438 if ( callbackInverse !== callbackExpect ) {
439 matches.push( elems[ i ] );
440 }
441 }
442
443 return matches;
444 },
445
446 // arg is for internal usage only
447 map: function( elems, callback, arg ) {
448 var length, value,
449 i = 0,
450 ret = [];
451
452 // Go through the array, translating each of the items to their new values
453 if ( isArrayLike( elems ) ) {
454 length = elems.length;
455 for ( ; i < length; i++ ) {
456 value = callback( elems[ i ], i, arg );
457
458 if ( value != null ) {
459 ret.push( value );
460 }
461 }
462
463 // Go through every key on the object,
464 } else {
465 for ( i in elems ) {
466 value = callback( elems[ i ], i, arg );
467
468 if ( value != null ) {
469 ret.push( value );
470 }
471 }
472 }
473
474 // Flatten any nested arrays
475 return concat.apply( [], ret );
476 },
477
478 // A global GUID counter for objects
479 guid: 1,
480
481 // jQuery.support is not used in Core but other projects attach their
482 // properties to it so it needs to exist.
483 support: support
484 } );
485
486 if ( typeof Symbol === "function" ) {
487 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
488 }
489
490 // Populate the class2type map
491 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
492 function( i, name ) {
493 class2type[ "[object " + name + "]" ] = name.toLowerCase();
494 } );
495
496 function isArrayLike( obj ) {
497
498 // Support: real iOS 8.2 only (not reproducible in simulator)
499 // `in` check used to prevent JIT error (gh-2145)
500 // hasOwn isn't used here due to false negatives
501 // regarding Nodelist length in IE
502 var length = !!obj && "length" in obj && obj.length,
503 type = toType( obj );
504
505 if ( isFunction( obj ) || isWindow( obj ) ) {
506 return false;
507 }
508
509 return type === "array" || length === 0 ||
510 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
511 }
512 var Sizzle =
513 /*!
514 * Sizzle CSS Selector Engine v2.3.4
515 * https://sizzlejs.com/
516 *
517 * Copyright JS Foundation and other contributors
518 * Released under the MIT license
519 * https://js.foundation/
520 *
521 * Date: 2019-04-08
522 */
523 (function( window ) {
524
525 var i,
526 support,
527 Expr,
528 getText,
529 isXML,
530 tokenize,
531 compile,
532 select,
533 outermostContext,
534 sortInput,
535 hasDuplicate,
536
537 // Local document vars
538 setDocument,
539 document,
540 docElem,
541 documentIsHTML,
542 rbuggyQSA,
543 rbuggyMatches,
544 matches,
545 contains,
546
547 // Instance-specific data
548 expando = "sizzle" + 1 * new Date(),
549 preferredDoc = window.document,
550 dirruns = 0,
551 done = 0,
552 classCache = createCache(),
553 tokenCache = createCache(),
554 compilerCache = createCache(),
555 nonnativeSelectorCache = createCache(),
556 sortOrder = function( a, b ) {
557 if ( a === b ) {
558 hasDuplicate = true;
559 }
560 return 0;
561 },
562
563 // Instance methods
564 hasOwn = ({}).hasOwnProperty,
565 arr = [],
566 pop = arr.pop,
567 push_native = arr.push,
568 push = arr.push,
569 slice = arr.slice,
570 // Use a stripped-down indexOf as it's faster than native
571 // https://jsperf.com/thor-indexof-vs-for/5
572 indexOf = function( list, elem ) {
573 var i = 0,
574 len = list.length;
575 for ( ; i < len; i++ ) {
576 if ( list[i] === elem ) {
577 return i;
578 }
579 }
580 return -1;
581 },
582
583 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
584
585 // Regular expressions
586
587 // http://www.w3.org/TR/css3-selectors/#whitespace
588 whitespace = "[\\x20\\t\\r\\n\\f]",
589
590 // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
591 identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
592
593 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
594 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
595 // Operator (capture 2)
596 "*([*^$|!~]?=)" + whitespace +
597 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
598 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
599 "*\\]",
600
601 pseudos = ":(" + identifier + ")(?:\\((" +
602 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
603 // 1. quoted (capture 3; capture 4 or capture 5)
604 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
605 // 2. simple (capture 6)
606 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
607 // 3. anything else (capture 2)
608 ".*" +
609 ")\\)|)",
610
611 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
612 rwhitespace = new RegExp( whitespace + "+", "g" ),
613 rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
614
615 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
616 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
617 rdescend = new RegExp( whitespace + "|>" ),
618
619 rpseudo = new RegExp( pseudos ),
620 ridentifier = new RegExp( "^" + identifier + "$" ),
621
622 matchExpr = {
623 "ID": new RegExp( "^#(" + identifier + ")" ),
624 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
625 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
626 "ATTR": new RegExp( "^" + attributes ),
627 "PSEUDO": new RegExp( "^" + pseudos ),
628 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
629 "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
630 "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
631 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
632 // For use in libraries implementing .is()
633 // We use this for POS matching in `select`
634 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
635 whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
636 },
637
638 rhtml = /HTML$/i,
639 rinputs = /^(?:input|select|textarea|button)$/i,
640 rheader = /^h\d$/i,
641
642 rnative = /^[^{]+\{\s*\[native \w/,
643
644 // Easily-parseable/retrievable ID or TAG or CLASS selectors
645 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
646
647 rsibling = /[+~]/,
648
649 // CSS escapes
650 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
651 runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
652 funescape = function( _, escaped, escapedWhitespace ) {
653 var high = "0x" + escaped - 0x10000;
654 // NaN means non-codepoint
655 // Support: Firefox<24
656 // Workaround erroneous numeric interpretation of +"0x"
657 return high !== high || escapedWhitespace ?
658 escaped :
659 high < 0 ?
660 // BMP codepoint
661 String.fromCharCode( high + 0x10000 ) :
662 // Supplemental Plane codepoint (surrogate pair)
663 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
664 },
665
666 // CSS string/identifier serialization
667 // https://drafts.csswg.org/cssom/#common-serializing-idioms
668 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
669 fcssescape = function( ch, asCodePoint ) {
670 if ( asCodePoint ) {
671
672 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
673 if ( ch === "\0" ) {
674 return "\uFFFD";
675 }
676
677 // Control characters and (dependent upon position) numbers get escaped as code points
678 return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
679 }
680
681 // Other potentially-special ASCII characters get backslash-escaped
682 return "\\" + ch;
683 },
684
685 // Used for iframes
686 // See setDocument()
687 // Removing the function wrapper causes a "Permission Denied"
688 // error in IE
689 unloadHandler = function() {
690 setDocument();
691 },
692
693 inDisabledFieldset = addCombinator(
694 function( elem ) {
695 return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
696 },
697 { dir: "parentNode", next: "legend" }
698 );
699
700 // Optimize for push.apply( _, NodeList )
701 try {
702 push.apply(
703 (arr = slice.call( preferredDoc.childNodes )),
704 preferredDoc.childNodes
705 );
706 // Support: Android<4.0
707 // Detect silently failing push.apply
708 arr[ preferredDoc.childNodes.length ].nodeType;
709 } catch ( e ) {
710 push = { apply: arr.length ?
711
712 // Leverage slice if possible
713 function( target, els ) {
714 push_native.apply( target, slice.call(els) );
715 } :
716
717 // Support: IE<9
718 // Otherwise append directly
719 function( target, els ) {
720 var j = target.length,
721 i = 0;
722 // Can't trust NodeList.length
723 while ( (target[j++] = els[i++]) ) {}
724 target.length = j - 1;
725 }
726 };
727 }
728
729 function Sizzle( selector, context, results, seed ) {
730 var m, i, elem, nid, match, groups, newSelector,
731 newContext = context && context.ownerDocument,
732
733 // nodeType defaults to 9, since context defaults to document
734 nodeType = context ? context.nodeType : 9;
735
736 results = results || [];
737
738 // Return early from calls with invalid selector or context
739 if ( typeof selector !== "string" || !selector ||
740 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
741
742 return results;
743 }
744
745 // Try to shortcut find operations (as opposed to filters) in HTML documents
746 if ( !seed ) {
747
748 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
749 setDocument( context );
750 }
751 context = context || document;
752
753 if ( documentIsHTML ) {
754
755 // If the selector is sufficiently simple, try using a "get*By*" DOM method
756 // (excepting DocumentFragment context, where the methods don't exist)
757 if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
758
759 // ID selector
760 if ( (m = match[1]) ) {
761
762 // Document context
763 if ( nodeType === 9 ) {
764 if ( (elem = context.getElementById( m )) ) {
765
766 // Support: IE, Opera, Webkit
767 // TODO: identify versions
768 // getElementById can match elements by name instead of ID
769 if ( elem.id === m ) {
770 results.push( elem );
771 return results;
772 }
773 } else {
774 return results;
775 }
776
777 // Element context
778 } else {
779
780 // Support: IE, Opera, Webkit
781 // TODO: identify versions
782 // getElementById can match elements by name instead of ID
783 if ( newContext && (elem = newContext.getElementById( m )) &&
784 contains( context, elem ) &&
785 elem.id === m ) {
786
787 results.push( elem );
788 return results;
789 }
790 }
791
792 // Type selector
793 } else if ( match[2] ) {
794 push.apply( results, context.getElementsByTagName( selector ) );
795 return results;
796
797 // Class selector
798 } else if ( (m = match[3]) && support.getElementsByClassName &&
799 context.getElementsByClassName ) {
800
801 push.apply( results, context.getElementsByClassName( m ) );
802 return results;
803 }
804 }
805
806 // Take advantage of querySelectorAll
807 if ( support.qsa &&
808 !nonnativeSelectorCache[ selector + " " ] &&
809 (!rbuggyQSA || !rbuggyQSA.test( selector )) &&
810
811 // Support: IE 8 only
812 // Exclude object elements
813 (nodeType !== 1 || context.nodeName.toLowerCase() !== "object") ) {
814
815 newSelector = selector;
816 newContext = context;
817
818 // qSA considers elements outside a scoping root when evaluating child or
819 // descendant combinators, which is not what we want.
820 // In such cases, we work around the behavior by prefixing every selector in the
821 // list with an ID selector referencing the scope context.
822 // Thanks to Andrew Dupont for this technique.
823 if ( nodeType === 1 && rdescend.test( selector ) ) {
824
825 // Capture the context ID, setting it first if necessary
826 if ( (nid = context.getAttribute( "id" )) ) {
827 nid = nid.replace( rcssescape, fcssescape );
828 } else {
829 context.setAttribute( "id", (nid = expando) );
830 }
831
832 // Prefix every selector in the list
833 groups = tokenize( selector );
834 i = groups.length;
835 while ( i-- ) {
836 groups[i] = "#" + nid + " " + toSelector( groups[i] );
837 }
838 newSelector = groups.join( "," );
839
840 // Expand context for sibling selectors
841 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
842 context;
843 }
844
845 try {
846 push.apply( results,
847 newContext.querySelectorAll( newSelector )
848 );
849 return results;
850 } catch ( qsaError ) {
851 nonnativeSelectorCache( selector, true );
852 } finally {
853 if ( nid === expando ) {
854 context.removeAttribute( "id" );
855 }
856 }
857 }
858 }
859 }
860
861 // All others
862 return select( selector.replace( rtrim, "$1" ), context, results, seed );
863 }
864
865 /**
866 * Create key-value caches of limited size
867 * @returns {function(string, object)} Returns the Object data after storing it on itself with
868 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
869 * deleting the oldest entry
870 */
871 function createCache() {
872 var keys = [];
873
874 function cache( key, value ) {
875 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
876 if ( keys.push( key + " " ) > Expr.cacheLength ) {
877 // Only keep the most recent entries
878 delete cache[ keys.shift() ];
879 }
880 return (cache[ key + " " ] = value);
881 }
882 return cache;
883 }
884
885 /**
886 * Mark a function for special use by Sizzle
887 * @param {Function} fn The function to mark
888 */
889 function markFunction( fn ) {
890 fn[ expando ] = true;
891 return fn;
892 }
893
894 /**
895 * Support testing using an element
896 * @param {Function} fn Passed the created element and returns a boolean result
897 */
898 function assert( fn ) {
899 var el = document.createElement("fieldset");
900
901 try {
902 return !!fn( el );
903 } catch (e) {
904 return false;
905 } finally {
906 // Remove from its parent by default
907 if ( el.parentNode ) {
908 el.parentNode.removeChild( el );
909 }
910 // release memory in IE
911 el = null;
912 }
913 }
914
915 /**
916 * Adds the same handler for all of the specified attrs
917 * @param {String} attrs Pipe-separated list of attributes
918 * @param {Function} handler The method that will be applied
919 */
920 function addHandle( attrs, handler ) {
921 var arr = attrs.split("|"),
922 i = arr.length;
923
924 while ( i-- ) {
925 Expr.attrHandle[ arr[i] ] = handler;
926 }
927 }
928
929 /**
930 * Checks document order of two siblings
931 * @param {Element} a
932 * @param {Element} b
933 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
934 */
935 function siblingCheck( a, b ) {
936 var cur = b && a,
937 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
938 a.sourceIndex - b.sourceIndex;
939
940 // Use IE sourceIndex if available on both nodes
941 if ( diff ) {
942 return diff;
943 }
944
945 // Check if b follows a
946 if ( cur ) {
947 while ( (cur = cur.nextSibling) ) {
948 if ( cur === b ) {
949 return -1;
950 }
951 }
952 }
953
954 return a ? 1 : -1;
955 }
956
957 /**
958 * Returns a function to use in pseudos for input types
959 * @param {String} type
960 */
961 function createInputPseudo( type ) {
962 return function( elem ) {
963 var name = elem.nodeName.toLowerCase();
964 return name === "input" && elem.type === type;
965 };
966 }
967
968 /**
969 * Returns a function to use in pseudos for buttons
970 * @param {String} type
971 */
972 function createButtonPseudo( type ) {
973 return function( elem ) {
974 var name = elem.nodeName.toLowerCase();
975 return (name === "input" || name === "button") && elem.type === type;
976 };
977 }
978
979 /**
980 * Returns a function to use in pseudos for :enabled/:disabled
981 * @param {Boolean} disabled true for :disabled; false for :enabled
982 */
983 function createDisabledPseudo( disabled ) {
984
985 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
986 return function( elem ) {
987
988 // Only certain elements can match :enabled or :disabled
989 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
990 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
991 if ( "form" in elem ) {
992
993 // Check for inherited disabledness on relevant non-disabled elements:
994 // * listed form-associated elements in a disabled fieldset
995 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
996 // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
997 // * option elements in a disabled optgroup
998 // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
999 // All such elements have a "form" property.
1000 if ( elem.parentNode && elem.disabled === false ) {
1001
1002 // Option elements defer to a parent optgroup if present
1003 if ( "label" in elem ) {
1004 if ( "label" in elem.parentNode ) {
1005 return elem.parentNode.disabled === disabled;
1006 } else {
1007 return elem.disabled === disabled;
1008 }
1009 }
1010
1011 // Support: IE 6 - 11
1012 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1013 return elem.isDisabled === disabled ||
1014
1015 // Where there is no isDisabled, check manually
1016 /* jshint -W018 */
1017 elem.isDisabled !== !disabled &&
1018 inDisabledFieldset( elem ) === disabled;
1019 }
1020
1021 return elem.disabled === disabled;
1022
1023 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1024 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1025 // even exist on them, let alone have a boolean value.
1026 } else if ( "label" in elem ) {
1027 return elem.disabled === disabled;
1028 }
1029
1030 // Remaining elements are neither :enabled nor :disabled
1031 return false;
1032 };
1033 }
1034
1035 /**
1036 * Returns a function to use in pseudos for positionals
1037 * @param {Function} fn
1038 */
1039 function createPositionalPseudo( fn ) {
1040 return markFunction(function( argument ) {
1041 argument = +argument;
1042 return markFunction(function( seed, matches ) {
1043 var j,
1044 matchIndexes = fn( [], seed.length, argument ),
1045 i = matchIndexes.length;
1046
1047 // Match elements found at the specified indexes
1048 while ( i-- ) {
1049 if ( seed[ (j = matchIndexes[i]) ] ) {
1050 seed[j] = !(matches[j] = seed[j]);
1051 }
1052 }
1053 });
1054 });
1055 }
1056
1057 /**
1058 * Checks a node for validity as a Sizzle context
1059 * @param {Element|Object=} context
1060 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1061 */
1062 function testContext( context ) {
1063 return context && typeof context.getElementsByTagName !== "undefined" && context;
1064 }
1065
1066 // Expose support vars for convenience
1067 support = Sizzle.support = {};
1068
1069 /**
1070 * Detects XML nodes
1071 * @param {Element|Object} elem An element or a document
1072 * @returns {Boolean} True iff elem is a non-HTML XML node
1073 */
1074 isXML = Sizzle.isXML = function( elem ) {
1075 var namespace = elem.namespaceURI,
1076 docElem = (elem.ownerDocument || elem).documentElement;
1077
1078 // Support: IE <=8
1079 // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1080 // https://bugs.jquery.com/ticket/4833
1081 return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1082 };
1083
1084 /**
1085 * Sets document-related variables once based on the current document
1086 * @param {Element|Object} [doc] An element or document object to use to set the document
1087 * @returns {Object} Returns the current document
1088 */
1089 setDocument = Sizzle.setDocument = function( node ) {
1090 var hasCompare, subWindow,
1091 doc = node ? node.ownerDocument || node : preferredDoc;
1092
1093 // Return early if doc is invalid or already selected
1094 if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1095 return document;
1096 }
1097
1098 // Update global variables
1099 document = doc;
1100 docElem = document.documentElement;
1101 documentIsHTML = !isXML( document );
1102
1103 // Support: IE 9-11, Edge
1104 // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1105 if ( preferredDoc !== document &&
1106 (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1107
1108 // Support: IE 11, Edge
1109 if ( subWindow.addEventListener ) {
1110 subWindow.addEventListener( "unload", unloadHandler, false );
1111
1112 // Support: IE 9 - 10 only
1113 } else if ( subWindow.attachEvent ) {
1114 subWindow.attachEvent( "onunload", unloadHandler );
1115 }
1116 }
1117
1118 /* Attributes
1119 ---------------------------------------------------------------------- */
1120
1121 // Support: IE<8
1122 // Verify that getAttribute really returns attributes and not properties
1123 // (excepting IE8 booleans)
1124 support.attributes = assert(function( el ) {
1125 el.className = "i";
1126 return !el.getAttribute("className");
1127 });
1128
1129 /* getElement(s)By*
1130 ---------------------------------------------------------------------- */
1131
1132 // Check if getElementsByTagName("*") returns only elements
1133 support.getElementsByTagName = assert(function( el ) {
1134 el.appendChild( document.createComment("") );
1135 return !el.getElementsByTagName("*").length;
1136 });
1137
1138 // Support: IE<9
1139 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1140
1141 // Support: IE<10
1142 // Check if getElementById returns elements by name
1143 // The broken getElementById methods don't pick up programmatically-set names,
1144 // so use a roundabout getElementsByName test
1145 support.getById = assert(function( el ) {
1146 docElem.appendChild( el ).id = expando;
1147 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1148 });
1149
1150 // ID filter and find
1151 if ( support.getById ) {
1152 Expr.filter["ID"] = function( id ) {
1153 var attrId = id.replace( runescape, funescape );
1154 return function( elem ) {
1155 return elem.getAttribute("id") === attrId;
1156 };
1157 };
1158 Expr.find["ID"] = function( id, context ) {
1159 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1160 var elem = context.getElementById( id );
1161 return elem ? [ elem ] : [];
1162 }
1163 };
1164 } else {
1165 Expr.filter["ID"] = function( id ) {
1166 var attrId = id.replace( runescape, funescape );
1167 return function( elem ) {
1168 var node = typeof elem.getAttributeNode !== "undefined" &&
1169 elem.getAttributeNode("id");
1170 return node && node.value === attrId;
1171 };
1172 };
1173
1174 // Support: IE 6 - 7 only
1175 // getElementById is not reliable as a find shortcut
1176 Expr.find["ID"] = function( id, context ) {
1177 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1178 var node, i, elems,
1179 elem = context.getElementById( id );
1180
1181 if ( elem ) {
1182
1183 // Verify the id attribute
1184 node = elem.getAttributeNode("id");
1185 if ( node && node.value === id ) {
1186 return [ elem ];
1187 }
1188
1189 // Fall back on getElementsByName
1190 elems = context.getElementsByName( id );
1191 i = 0;
1192 while ( (elem = elems[i++]) ) {
1193 node = elem.getAttributeNode("id");
1194 if ( node && node.value === id ) {
1195 return [ elem ];
1196 }
1197 }
1198 }
1199
1200 return [];
1201 }
1202 };
1203 }
1204
1205 // Tag
1206 Expr.find["TAG"] = support.getElementsByTagName ?
1207 function( tag, context ) {
1208 if ( typeof context.getElementsByTagName !== "undefined" ) {
1209 return context.getElementsByTagName( tag );
1210
1211 // DocumentFragment nodes don't have gEBTN
1212 } else if ( support.qsa ) {
1213 return context.querySelectorAll( tag );
1214 }
1215 } :
1216
1217 function( tag, context ) {
1218 var elem,
1219 tmp = [],
1220 i = 0,
1221 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1222 results = context.getElementsByTagName( tag );
1223
1224 // Filter out possible comments
1225 if ( tag === "*" ) {
1226 while ( (elem = results[i++]) ) {
1227 if ( elem.nodeType === 1 ) {
1228 tmp.push( elem );
1229 }
1230 }
1231
1232 return tmp;
1233 }
1234 return results;
1235 };
1236
1237 // Class
1238 Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1239 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1240 return context.getElementsByClassName( className );
1241 }
1242 };
1243
1244 /* QSA/matchesSelector
1245 ---------------------------------------------------------------------- */
1246
1247 // QSA and matchesSelector support
1248
1249 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1250 rbuggyMatches = [];
1251
1252 // qSa(:focus) reports false when true (Chrome 21)
1253 // We allow this because of a bug in IE8/9 that throws an error
1254 // whenever `document.activeElement` is accessed on an iframe
1255 // So, we allow :focus to pass through QSA all the time to avoid the IE error
1256 // See https://bugs.jquery.com/ticket/13378
1257 rbuggyQSA = [];
1258
1259 if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1260 // Build QSA regex
1261 // Regex strategy adopted from Diego Perini
1262 assert(function( el ) {
1263 // Select is set to empty string on purpose
1264 // This is to test IE's treatment of not explicitly
1265 // setting a boolean content attribute,
1266 // since its presence should be enough
1267 // https://bugs.jquery.com/ticket/12359
1268 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1269 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1270 "<option selected=''></option></select>";
1271
1272 // Support: IE8, Opera 11-12.16
1273 // Nothing should be selected when empty strings follow ^= or $= or *=
1274 // The test attribute must be unknown in Opera but "safe" for WinRT
1275 // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1276 if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1277 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1278 }
1279
1280 // Support: IE8
1281 // Boolean attributes and "value" are not treated correctly
1282 if ( !el.querySelectorAll("[selected]").length ) {
1283 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1284 }
1285
1286 // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1287 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1288 rbuggyQSA.push("~=");
1289 }
1290
1291 // Webkit/Opera - :checked should return selected option elements
1292 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1293 // IE8 throws error here and will not see later tests
1294 if ( !el.querySelectorAll(":checked").length ) {
1295 rbuggyQSA.push(":checked");
1296 }
1297
1298 // Support: Safari 8+, iOS 8+
1299 // https://bugs.webkit.org/show_bug.cgi?id=136851
1300 // In-page `selector#id sibling-combinator selector` fails
1301 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1302 rbuggyQSA.push(".#.+[+~]");
1303 }
1304 });
1305
1306 assert(function( el ) {
1307 el.innerHTML = "<a href='' disabled='disabled'></a>" +
1308 "<select disabled='disabled'><option/></select>";
1309
1310 // Support: Windows 8 Native Apps
1311 // The type and name attributes are restricted during .innerHTML assignment
1312 var input = document.createElement("input");
1313 input.setAttribute( "type", "hidden" );
1314 el.appendChild( input ).setAttribute( "name", "D" );
1315
1316 // Support: IE8
1317 // Enforce case-sensitivity of name attribute
1318 if ( el.querySelectorAll("[name=d]").length ) {
1319 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1320 }
1321
1322 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1323 // IE8 throws error here and will not see later tests
1324 if ( el.querySelectorAll(":enabled").length !== 2 ) {
1325 rbuggyQSA.push( ":enabled", ":disabled" );
1326 }
1327
1328 // Support: IE9-11+
1329 // IE's :disabled selector does not pick up the children of disabled fieldsets
1330 docElem.appendChild( el ).disabled = true;
1331 if ( el.querySelectorAll(":disabled").length !== 2 ) {
1332 rbuggyQSA.push( ":enabled", ":disabled" );
1333 }
1334
1335 // Opera 10-11 does not throw on post-comma invalid pseudos
1336 el.querySelectorAll("*,:x");
1337 rbuggyQSA.push(",.*:");
1338 });
1339 }
1340
1341 if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1342 docElem.webkitMatchesSelector ||
1343 docElem.mozMatchesSelector ||
1344 docElem.oMatchesSelector ||
1345 docElem.msMatchesSelector) )) ) {
1346
1347 assert(function( el ) {
1348 // Check to see if it's possible to do matchesSelector
1349 // on a disconnected node (IE 9)
1350 support.disconnectedMatch = matches.call( el, "*" );
1351
1352 // This should fail with an exception
1353 // Gecko does not error, returns false instead
1354 matches.call( el, "[s!='']:x" );
1355 rbuggyMatches.push( "!=", pseudos );
1356 });
1357 }
1358
1359 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1360 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1361
1362 /* Contains
1363 ---------------------------------------------------------------------- */
1364 hasCompare = rnative.test( docElem.compareDocumentPosition );
1365
1366 // Element contains another
1367 // Purposefully self-exclusive
1368 // As in, an element does not contain itself
1369 contains = hasCompare || rnative.test( docElem.contains ) ?
1370 function( a, b ) {
1371 var adown = a.nodeType === 9 ? a.documentElement : a,
1372 bup = b && b.parentNode;
1373 return a === bup || !!( bup && bup.nodeType === 1 && (
1374 adown.contains ?
1375 adown.contains( bup ) :
1376 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1377 ));
1378 } :
1379 function( a, b ) {
1380 if ( b ) {
1381 while ( (b = b.parentNode) ) {
1382 if ( b === a ) {
1383 return true;
1384 }
1385 }
1386 }
1387 return false;
1388 };
1389
1390 /* Sorting
1391 ---------------------------------------------------------------------- */
1392
1393 // Document order sorting
1394 sortOrder = hasCompare ?
1395 function( a, b ) {
1396
1397 // Flag for duplicate removal
1398 if ( a === b ) {
1399 hasDuplicate = true;
1400 return 0;
1401 }
1402
1403 // Sort on method existence if only one input has compareDocumentPosition
1404 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1405 if ( compare ) {
1406 return compare;
1407 }
1408
1409 // Calculate position if both inputs belong to the same document
1410 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1411 a.compareDocumentPosition( b ) :
1412
1413 // Otherwise we know they are disconnected
1414 1;
1415
1416 // Disconnected nodes
1417 if ( compare & 1 ||
1418 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1419
1420 // Choose the first element that is related to our preferred document
1421 if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1422 return -1;
1423 }
1424 if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1425 return 1;
1426 }
1427
1428 // Maintain original order
1429 return sortInput ?
1430 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1431 0;
1432 }
1433
1434 return compare & 4 ? -1 : 1;
1435 } :
1436 function( a, b ) {
1437 // Exit early if the nodes are identical
1438 if ( a === b ) {
1439 hasDuplicate = true;
1440 return 0;
1441 }
1442
1443 var cur,
1444 i = 0,
1445 aup = a.parentNode,
1446 bup = b.parentNode,
1447 ap = [ a ],
1448 bp = [ b ];
1449
1450 // Parentless nodes are either documents or disconnected
1451 if ( !aup || !bup ) {
1452 return a === document ? -1 :
1453 b === document ? 1 :
1454 aup ? -1 :
1455 bup ? 1 :
1456 sortInput ?
1457 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1458 0;
1459
1460 // If the nodes are siblings, we can do a quick check
1461 } else if ( aup === bup ) {
1462 return siblingCheck( a, b );
1463 }
1464
1465 // Otherwise we need full lists of their ancestors for comparison
1466 cur = a;
1467 while ( (cur = cur.parentNode) ) {
1468 ap.unshift( cur );
1469 }
1470 cur = b;
1471 while ( (cur = cur.parentNode) ) {
1472 bp.unshift( cur );
1473 }
1474
1475 // Walk down the tree looking for a discrepancy
1476 while ( ap[i] === bp[i] ) {
1477 i++;
1478 }
1479
1480 return i ?
1481 // Do a sibling check if the nodes have a common ancestor
1482 siblingCheck( ap[i], bp[i] ) :
1483
1484 // Otherwise nodes in our document sort first
1485 ap[i] === preferredDoc ? -1 :
1486 bp[i] === preferredDoc ? 1 :
1487 0;
1488 };
1489
1490 return document;
1491 };
1492
1493 Sizzle.matches = function( expr, elements ) {
1494 return Sizzle( expr, null, null, elements );
1495 };
1496
1497 Sizzle.matchesSelector = function( elem, expr ) {
1498 // Set document vars if needed
1499 if ( ( elem.ownerDocument || elem ) !== document ) {
1500 setDocument( elem );
1501 }
1502
1503 if ( support.matchesSelector && documentIsHTML &&
1504 !nonnativeSelectorCache[ expr + " " ] &&
1505 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1506 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1507
1508 try {
1509 var ret = matches.call( elem, expr );
1510
1511 // IE 9's matchesSelector returns false on disconnected nodes
1512 if ( ret || support.disconnectedMatch ||
1513 // As well, disconnected nodes are said to be in a document
1514 // fragment in IE 9
1515 elem.document && elem.document.nodeType !== 11 ) {
1516 return ret;
1517 }
1518 } catch (e) {
1519 nonnativeSelectorCache( expr, true );
1520 }
1521 }
1522
1523 return Sizzle( expr, document, null, [ elem ] ).length > 0;
1524 };
1525
1526 Sizzle.contains = function( context, elem ) {
1527 // Set document vars if needed
1528 if ( ( context.ownerDocument || context ) !== document ) {
1529 setDocument( context );
1530 }
1531 return contains( context, elem );
1532 };
1533
1534 Sizzle.attr = function( elem, name ) {
1535 // Set document vars if needed
1536 if ( ( elem.ownerDocument || elem ) !== document ) {
1537 setDocument( elem );
1538 }
1539
1540 var fn = Expr.attrHandle[ name.toLowerCase() ],
1541 // Don't get fooled by Object.prototype properties (jQuery #13807)
1542 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1543 fn( elem, name, !documentIsHTML ) :
1544 undefined;
1545
1546 return val !== undefined ?
1547 val :
1548 support.attributes || !documentIsHTML ?
1549 elem.getAttribute( name ) :
1550 (val = elem.getAttributeNode(name)) && val.specified ?
1551 val.value :
1552 null;
1553 };
1554
1555 Sizzle.escape = function( sel ) {
1556 return (sel + "").replace( rcssescape, fcssescape );
1557 };
1558
1559 Sizzle.error = function( msg ) {
1560 throw new Error( "Syntax error, unrecognized expression: " + msg );
1561 };
1562
1563 /**
1564 * Document sorting and removing duplicates
1565 * @param {ArrayLike} results
1566 */
1567 Sizzle.uniqueSort = function( results ) {
1568 var elem,
1569 duplicates = [],
1570 j = 0,
1571 i = 0;
1572
1573 // Unless we *know* we can detect duplicates, assume their presence
1574 hasDuplicate = !support.detectDuplicates;
1575 sortInput = !support.sortStable && results.slice( 0 );
1576 results.sort( sortOrder );
1577
1578 if ( hasDuplicate ) {
1579 while ( (elem = results[i++]) ) {
1580 if ( elem === results[ i ] ) {
1581 j = duplicates.push( i );
1582 }
1583 }
1584 while ( j-- ) {
1585 results.splice( duplicates[ j ], 1 );
1586 }
1587 }
1588
1589 // Clear input after sorting to release objects
1590 // See https://github.com/jquery/sizzle/pull/225
1591 sortInput = null;
1592
1593 return results;
1594 };
1595
1596 /**
1597 * Utility function for retrieving the text value of an array of DOM nodes
1598 * @param {Array|Element} elem
1599 */
1600 getText = Sizzle.getText = function( elem ) {
1601 var node,
1602 ret = "",
1603 i = 0,
1604 nodeType = elem.nodeType;
1605
1606 if ( !nodeType ) {
1607 // If no nodeType, this is expected to be an array
1608 while ( (node = elem[i++]) ) {
1609 // Do not traverse comment nodes
1610 ret += getText( node );
1611 }
1612 } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1613 // Use textContent for elements
1614 // innerText usage removed for consistency of new lines (jQuery #11153)
1615 if ( typeof elem.textContent === "string" ) {
1616 return elem.textContent;
1617 } else {
1618 // Traverse its children
1619 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1620 ret += getText( elem );
1621 }
1622 }
1623 } else if ( nodeType === 3 || nodeType === 4 ) {
1624 return elem.nodeValue;
1625 }
1626 // Do not include comment or processing instruction nodes
1627
1628 return ret;
1629 };
1630
1631 Expr = Sizzle.selectors = {
1632
1633 // Can be adjusted by the user
1634 cacheLength: 50,
1635
1636 createPseudo: markFunction,
1637
1638 match: matchExpr,
1639
1640 attrHandle: {},
1641
1642 find: {},
1643
1644 relative: {
1645 ">": { dir: "parentNode", first: true },
1646 " ": { dir: "parentNode" },
1647 "+": { dir: "previousSibling", first: true },
1648 "~": { dir: "previousSibling" }
1649 },
1650
1651 preFilter: {
1652 "ATTR": function( match ) {
1653 match[1] = match[1].replace( runescape, funescape );
1654
1655 // Move the given value to match[3] whether quoted or unquoted
1656 match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1657
1658 if ( match[2] === "~=" ) {
1659 match[3] = " " + match[3] + " ";
1660 }
1661
1662 return match.slice( 0, 4 );
1663 },
1664
1665 "CHILD": function( match ) {
1666 /* matches from matchExpr["CHILD"]
1667 1 type (only|nth|...)
1668 2 what (child|of-type)
1669 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1670 4 xn-component of xn+y argument ([+-]?\d*n|)
1671 5 sign of xn-component
1672 6 x of xn-component
1673 7 sign of y-component
1674 8 y of y-component
1675 */
1676 match[1] = match[1].toLowerCase();
1677
1678 if ( match[1].slice( 0, 3 ) === "nth" ) {
1679 // nth-* requires argument
1680 if ( !match[3] ) {
1681 Sizzle.error( match[0] );
1682 }
1683
1684 // numeric x and y parameters for Expr.filter.CHILD
1685 // remember that false/true cast respectively to 0/1
1686 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1687 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1688
1689 // other types prohibit arguments
1690 } else if ( match[3] ) {
1691 Sizzle.error( match[0] );
1692 }
1693
1694 return match;
1695 },
1696
1697 "PSEUDO": function( match ) {
1698 var excess,
1699 unquoted = !match[6] && match[2];
1700
1701 if ( matchExpr["CHILD"].test( match[0] ) ) {
1702 return null;
1703 }
1704
1705 // Accept quoted arguments as-is
1706 if ( match[3] ) {
1707 match[2] = match[4] || match[5] || "";
1708
1709 // Strip excess characters from unquoted arguments
1710 } else if ( unquoted && rpseudo.test( unquoted ) &&
1711 // Get excess from tokenize (recursively)
1712 (excess = tokenize( unquoted, true )) &&
1713 // advance to the next closing parenthesis
1714 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1715
1716 // excess is a negative index
1717 match[0] = match[0].slice( 0, excess );
1718 match[2] = unquoted.slice( 0, excess );
1719 }
1720
1721 // Return only captures needed by the pseudo filter method (type and argument)
1722 return match.slice( 0, 3 );
1723 }
1724 },
1725
1726 filter: {
1727
1728 "TAG": function( nodeNameSelector ) {
1729 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1730 return nodeNameSelector === "*" ?
1731 function() { return true; } :
1732 function( elem ) {
1733 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1734 };
1735 },
1736
1737 "CLASS": function( className ) {
1738 var pattern = classCache[ className + " " ];
1739
1740 return pattern ||
1741 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1742 classCache( className, function( elem ) {
1743 return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1744 });
1745 },
1746
1747 "ATTR": function( name, operator, check ) {
1748 return function( elem ) {
1749 var result = Sizzle.attr( elem, name );
1750
1751 if ( result == null ) {
1752 return operator === "!=";
1753 }
1754 if ( !operator ) {
1755 return true;
1756 }
1757
1758 result += "";
1759
1760 return operator === "=" ? result === check :
1761 operator === "!=" ? result !== check :
1762 operator === "^=" ? check && result.indexOf( check ) === 0 :
1763 operator === "*=" ? check && result.indexOf( check ) > -1 :
1764 operator === "$=" ? check && result.slice( -check.length ) === check :
1765 operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1766 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1767 false;
1768 };
1769 },
1770
1771 "CHILD": function( type, what, argument, first, last ) {
1772 var simple = type.slice( 0, 3 ) !== "nth",
1773 forward = type.slice( -4 ) !== "last",
1774 ofType = what === "of-type";
1775
1776 return first === 1 && last === 0 ?
1777
1778 // Shortcut for :nth-*(n)
1779 function( elem ) {
1780 return !!elem.parentNode;
1781 } :
1782
1783 function( elem, context, xml ) {
1784 var cache, uniqueCache, outerCache, node, nodeIndex, start,
1785 dir = simple !== forward ? "nextSibling" : "previousSibling",
1786 parent = elem.parentNode,
1787 name = ofType && elem.nodeName.toLowerCase(),
1788 useCache = !xml && !ofType,
1789 diff = false;
1790
1791 if ( parent ) {
1792
1793 // :(first|last|only)-(child|of-type)
1794 if ( simple ) {
1795 while ( dir ) {
1796 node = elem;
1797 while ( (node = node[ dir ]) ) {
1798 if ( ofType ?
1799 node.nodeName.toLowerCase() === name :
1800 node.nodeType === 1 ) {
1801
1802 return false;
1803 }
1804 }
1805 // Reverse direction for :only-* (if we haven't yet done so)
1806 start = dir = type === "only" && !start && "nextSibling";
1807 }
1808 return true;
1809 }
1810
1811 start = [ forward ? parent.firstChild : parent.lastChild ];
1812
1813 // non-xml :nth-child(...) stores cache data on `parent`
1814 if ( forward && useCache ) {
1815
1816 // Seek `elem` from a previously-cached index
1817
1818 // ...in a gzip-friendly way
1819 node = parent;
1820 outerCache = node[ expando ] || (node[ expando ] = {});
1821
1822 // Support: IE <9 only
1823 // Defend against cloned attroperties (jQuery gh-1709)
1824 uniqueCache = outerCache[ node.uniqueID ] ||
1825 (outerCache[ node.uniqueID ] = {});
1826
1827 cache = uniqueCache[ type ] || [];
1828 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1829 diff = nodeIndex && cache[ 2 ];
1830 node = nodeIndex && parent.childNodes[ nodeIndex ];
1831
1832 while ( (node = ++nodeIndex && node && node[ dir ] ||
1833
1834 // Fallback to seeking `elem` from the start
1835 (diff = nodeIndex = 0) || start.pop()) ) {
1836
1837 // When found, cache indexes on `parent` and break
1838 if ( node.nodeType === 1 && ++diff && node === elem ) {
1839 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1840 break;
1841 }
1842 }
1843
1844 } else {
1845 // Use previously-cached element index if available
1846 if ( useCache ) {
1847 // ...in a gzip-friendly way
1848 node = elem;
1849 outerCache = node[ expando ] || (node[ expando ] = {});
1850
1851 // Support: IE <9 only
1852 // Defend against cloned attroperties (jQuery gh-1709)
1853 uniqueCache = outerCache[ node.uniqueID ] ||
1854 (outerCache[ node.uniqueID ] = {});
1855
1856 cache = uniqueCache[ type ] || [];
1857 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1858 diff = nodeIndex;
1859 }
1860
1861 // xml :nth-child(...)
1862 // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1863 if ( diff === false ) {
1864 // Use the same loop as above to seek `elem` from the start
1865 while ( (node = ++nodeIndex && node && node[ dir ] ||
1866 (diff = nodeIndex = 0) || start.pop()) ) {
1867
1868 if ( ( ofType ?
1869 node.nodeName.toLowerCase() === name :
1870 node.nodeType === 1 ) &&
1871 ++diff ) {
1872
1873 // Cache the index of each encountered element
1874 if ( useCache ) {
1875 outerCache = node[ expando ] || (node[ expando ] = {});
1876
1877 // Support: IE <9 only
1878 // Defend against cloned attroperties (jQuery gh-1709)
1879 uniqueCache = outerCache[ node.uniqueID ] ||
1880 (outerCache[ node.uniqueID ] = {});
1881
1882 uniqueCache[ type ] = [ dirruns, diff ];
1883 }
1884
1885 if ( node === elem ) {
1886 break;
1887 }
1888 }
1889 }
1890 }
1891 }
1892
1893 // Incorporate the offset, then check against cycle size
1894 diff -= last;
1895 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1896 }
1897 };
1898 },
1899
1900 "PSEUDO": function( pseudo, argument ) {
1901 // pseudo-class names are case-insensitive
1902 // http://www.w3.org/TR/selectors/#pseudo-classes
1903 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1904 // Remember that setFilters inherits from pseudos
1905 var args,
1906 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1907 Sizzle.error( "unsupported pseudo: " + pseudo );
1908
1909 // The user may use createPseudo to indicate that
1910 // arguments are needed to create the filter function
1911 // just as Sizzle does
1912 if ( fn[ expando ] ) {
1913 return fn( argument );
1914 }
1915
1916 // But maintain support for old signatures
1917 if ( fn.length > 1 ) {
1918 args = [ pseudo, pseudo, "", argument ];
1919 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1920 markFunction(function( seed, matches ) {
1921 var idx,
1922 matched = fn( seed, argument ),
1923 i = matched.length;
1924 while ( i-- ) {
1925 idx = indexOf( seed, matched[i] );
1926 seed[ idx ] = !( matches[ idx ] = matched[i] );
1927 }
1928 }) :
1929 function( elem ) {
1930 return fn( elem, 0, args );
1931 };
1932 }
1933
1934 return fn;
1935 }
1936 },
1937
1938 pseudos: {
1939 // Potentially complex pseudos
1940 "not": markFunction(function( selector ) {
1941 // Trim the selector passed to compile
1942 // to avoid treating leading and trailing
1943 // spaces as combinators
1944 var input = [],
1945 results = [],
1946 matcher = compile( selector.replace( rtrim, "$1" ) );
1947
1948 return matcher[ expando ] ?
1949 markFunction(function( seed, matches, context, xml ) {
1950 var elem,
1951 unmatched = matcher( seed, null, xml, [] ),
1952 i = seed.length;
1953
1954 // Match elements unmatched by `matcher`
1955 while ( i-- ) {
1956 if ( (elem = unmatched[i]) ) {
1957 seed[i] = !(matches[i] = elem);
1958 }
1959 }
1960 }) :
1961 function( elem, context, xml ) {
1962 input[0] = elem;
1963 matcher( input, null, xml, results );
1964 // Don't keep the element (issue #299)
1965 input[0] = null;
1966 return !results.pop();
1967 };
1968 }),
1969
1970 "has": markFunction(function( selector ) {
1971 return function( elem ) {
1972 return Sizzle( selector, elem ).length > 0;
1973 };
1974 }),
1975
1976 "contains": markFunction(function( text ) {
1977 text = text.replace( runescape, funescape );
1978 return function( elem ) {
1979 return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
1980 };
1981 }),
1982
1983 // "Whether an element is represented by a :lang() selector
1984 // is based solely on the element's language value
1985 // being equal to the identifier C,
1986 // or beginning with the identifier C immediately followed by "-".
1987 // The matching of C against the element's language value is performed case-insensitively.
1988 // The identifier C does not have to be a valid language name."
1989 // http://www.w3.org/TR/selectors/#lang-pseudo
1990 "lang": markFunction( function( lang ) {
1991 // lang value must be a valid identifier
1992 if ( !ridentifier.test(lang || "") ) {
1993 Sizzle.error( "unsupported lang: " + lang );
1994 }
1995 lang = lang.replace( runescape, funescape ).toLowerCase();
1996 return function( elem ) {
1997 var elemLang;
1998 do {
1999 if ( (elemLang = documentIsHTML ?
2000 elem.lang :
2001 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2002
2003 elemLang = elemLang.toLowerCase();
2004 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2005 }
2006 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2007 return false;
2008 };
2009 }),
2010
2011 // Miscellaneous
2012 "target": function( elem ) {
2013 var hash = window.location && window.location.hash;
2014 return hash && hash.slice( 1 ) === elem.id;
2015 },
2016
2017 "root": function( elem ) {
2018 return elem === docElem;
2019 },
2020
2021 "focus": function( elem ) {
2022 return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2023 },
2024
2025 // Boolean properties
2026 "enabled": createDisabledPseudo( false ),
2027 "disabled": createDisabledPseudo( true ),
2028
2029 "checked": function( elem ) {
2030 // In CSS3, :checked should return both checked and selected elements
2031 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2032 var nodeName = elem.nodeName.toLowerCase();
2033 return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2034 },
2035
2036 "selected": function( elem ) {
2037 // Accessing this property makes selected-by-default
2038 // options in Safari work properly
2039 if ( elem.parentNode ) {
2040 elem.parentNode.selectedIndex;
2041 }
2042
2043 return elem.selected === true;
2044 },
2045
2046 // Contents
2047 "empty": function( elem ) {
2048 // http://www.w3.org/TR/selectors/#empty-pseudo
2049 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2050 // but not by others (comment: 8; processing instruction: 7; etc.)
2051 // nodeType < 6 works because attributes (2) do not appear as children
2052 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2053 if ( elem.nodeType < 6 ) {
2054 return false;
2055 }
2056 }
2057 return true;
2058 },
2059
2060 "parent": function( elem ) {
2061 return !Expr.pseudos["empty"]( elem );
2062 },
2063
2064 // Element/input types
2065 "header": function( elem ) {
2066 return rheader.test( elem.nodeName );
2067 },
2068
2069 "input": function( elem ) {
2070 return rinputs.test( elem.nodeName );
2071 },
2072
2073 "button": function( elem ) {
2074 var name = elem.nodeName.toLowerCase();
2075 return name === "input" && elem.type === "button" || name === "button";
2076 },
2077
2078 "text": function( elem ) {
2079 var attr;
2080 return elem.nodeName.toLowerCase() === "input" &&
2081 elem.type === "text" &&
2082
2083 // Support: IE<8
2084 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2085 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2086 },
2087
2088 // Position-in-collection
2089 "first": createPositionalPseudo(function() {
2090 return [ 0 ];
2091 }),
2092
2093 "last": createPositionalPseudo(function( matchIndexes, length ) {
2094 return [ length - 1 ];
2095 }),
2096
2097 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2098 return [ argument < 0 ? argument + length : argument ];
2099 }),
2100
2101 "even": createPositionalPseudo(function( matchIndexes, length ) {
2102 var i = 0;
2103 for ( ; i < length; i += 2 ) {
2104 matchIndexes.push( i );
2105 }
2106 return matchIndexes;
2107 }),
2108
2109 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2110 var i = 1;
2111 for ( ; i < length; i += 2 ) {
2112 matchIndexes.push( i );
2113 }
2114 return matchIndexes;
2115 }),
2116
2117 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2118 var i = argument < 0 ?
2119 argument + length :
2120 argument > length ?
2121 length :
2122 argument;
2123 for ( ; --i >= 0; ) {
2124 matchIndexes.push( i );
2125 }
2126 return matchIndexes;
2127 }),
2128
2129 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2130 var i = argument < 0 ? argument + length : argument;
2131 for ( ; ++i < length; ) {
2132 matchIndexes.push( i );
2133 }
2134 return matchIndexes;
2135 })
2136 }
2137 };
2138
2139 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2140
2141 // Add button/input type pseudos
2142 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2143 Expr.pseudos[ i ] = createInputPseudo( i );
2144 }
2145 for ( i in { submit: true, reset: true } ) {
2146 Expr.pseudos[ i ] = createButtonPseudo( i );
2147 }
2148
2149 // Easy API for creating new setFilters
2150 function setFilters() {}
2151 setFilters.prototype = Expr.filters = Expr.pseudos;
2152 Expr.setFilters = new setFilters();
2153
2154 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2155 var matched, match, tokens, type,
2156 soFar, groups, preFilters,
2157 cached = tokenCache[ selector + " " ];
2158
2159 if ( cached ) {
2160 return parseOnly ? 0 : cached.slice( 0 );
2161 }
2162
2163 soFar = selector;
2164 groups = [];
2165 preFilters = Expr.preFilter;
2166
2167 while ( soFar ) {
2168
2169 // Comma and first run
2170 if ( !matched || (match = rcomma.exec( soFar )) ) {
2171 if ( match ) {
2172 // Don't consume trailing commas as valid
2173 soFar = soFar.slice( match[0].length ) || soFar;
2174 }
2175 groups.push( (tokens = []) );
2176 }
2177
2178 matched = false;
2179
2180 // Combinators
2181 if ( (match = rcombinators.exec( soFar )) ) {
2182 matched = match.shift();
2183 tokens.push({
2184 value: matched,
2185 // Cast descendant combinators to space
2186 type: match[0].replace( rtrim, " " )
2187 });
2188 soFar = soFar.slice( matched.length );
2189 }
2190
2191 // Filters
2192 for ( type in Expr.filter ) {
2193 if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2194 (match = preFilters[ type ]( match ))) ) {
2195 matched = match.shift();
2196 tokens.push({
2197 value: matched,
2198 type: type,
2199 matches: match
2200 });
2201 soFar = soFar.slice( matched.length );
2202 }
2203 }
2204
2205 if ( !matched ) {
2206 break;
2207 }
2208 }
2209
2210 // Return the length of the invalid excess
2211 // if we're just parsing
2212 // Otherwise, throw an error or return tokens
2213 return parseOnly ?
2214 soFar.length :
2215 soFar ?
2216 Sizzle.error( selector ) :
2217 // Cache the tokens
2218 tokenCache( selector, groups ).slice( 0 );
2219 };
2220
2221 function toSelector( tokens ) {
2222 var i = 0,
2223 len = tokens.length,
2224 selector = "";
2225 for ( ; i < len; i++ ) {
2226 selector += tokens[i].value;
2227 }
2228 return selector;
2229 }
2230
2231 function addCombinator( matcher, combinator, base ) {
2232 var dir = combinator.dir,
2233 skip = combinator.next,
2234 key = skip || dir,
2235 checkNonElements = base && key === "parentNode",
2236 doneName = done++;
2237
2238 return combinator.first ?
2239 // Check against closest ancestor/preceding element
2240 function( elem, context, xml ) {
2241 while ( (elem = elem[ dir ]) ) {
2242 if ( elem.nodeType === 1 || checkNonElements ) {
2243 return matcher( elem, context, xml );
2244 }
2245 }
2246 return false;
2247 } :
2248
2249 // Check against all ancestor/preceding elements
2250 function( elem, context, xml ) {
2251 var oldCache, uniqueCache, outerCache,
2252 newCache = [ dirruns, doneName ];
2253
2254 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2255 if ( xml ) {
2256 while ( (elem = elem[ dir ]) ) {
2257 if ( elem.nodeType === 1 || checkNonElements ) {
2258 if ( matcher( elem, context, xml ) ) {
2259 return true;
2260 }
2261 }
2262 }
2263 } else {
2264 while ( (elem = elem[ dir ]) ) {
2265 if ( elem.nodeType === 1 || checkNonElements ) {
2266 outerCache = elem[ expando ] || (elem[ expando ] = {});
2267
2268 // Support: IE <9 only
2269 // Defend against cloned attroperties (jQuery gh-1709)
2270 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2271
2272 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2273 elem = elem[ dir ] || elem;
2274 } else if ( (oldCache = uniqueCache[ key ]) &&
2275 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2276
2277 // Assign to newCache so results back-propagate to previous elements
2278 return (newCache[ 2 ] = oldCache[ 2 ]);
2279 } else {
2280 // Reuse newcache so results back-propagate to previous elements
2281 uniqueCache[ key ] = newCache;
2282
2283 // A match means we're done; a fail means we have to keep checking
2284 if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2285 return true;
2286 }
2287 }
2288 }
2289 }
2290 }
2291 return false;
2292 };
2293 }
2294
2295 function elementMatcher( matchers ) {
2296 return matchers.length > 1 ?
2297 function( elem, context, xml ) {
2298 var i = matchers.length;
2299 while ( i-- ) {
2300 if ( !matchers[i]( elem, context, xml ) ) {
2301 return false;
2302 }
2303 }
2304 return true;
2305 } :
2306 matchers[0];
2307 }
2308
2309 function multipleContexts( selector, contexts, results ) {
2310 var i = 0,
2311 len = contexts.length;
2312 for ( ; i < len; i++ ) {
2313 Sizzle( selector, contexts[i], results );
2314 }
2315 return results;
2316 }
2317
2318 function condense( unmatched, map, filter, context, xml ) {
2319 var elem,
2320 newUnmatched = [],
2321 i = 0,
2322 len = unmatched.length,
2323 mapped = map != null;
2324
2325 for ( ; i < len; i++ ) {
2326 if ( (elem = unmatched[i]) ) {
2327 if ( !filter || filter( elem, context, xml ) ) {
2328 newUnmatched.push( elem );
2329 if ( mapped ) {
2330 map.push( i );
2331 }
2332 }
2333 }
2334 }
2335
2336 return newUnmatched;
2337 }
2338
2339 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2340 if ( postFilter && !postFilter[ expando ] ) {
2341 postFilter = setMatcher( postFilter );
2342 }
2343 if ( postFinder && !postFinder[ expando ] ) {
2344 postFinder = setMatcher( postFinder, postSelector );
2345 }
2346 return markFunction(function( seed, results, context, xml ) {
2347 var temp, i, elem,
2348 preMap = [],
2349 postMap = [],
2350 preexisting = results.length,
2351
2352 // Get initial elements from seed or context
2353 elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2354
2355 // Prefilter to get matcher input, preserving a map for seed-results synchronization
2356 matcherIn = preFilter && ( seed || !selector ) ?
2357 condense( elems, preMap, preFilter, context, xml ) :
2358 elems,
2359
2360 matcherOut = matcher ?
2361 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2362 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2363
2364 // ...intermediate processing is necessary
2365 [] :
2366
2367 // ...otherwise use results directly
2368 results :
2369 matcherIn;
2370
2371 // Find primary matches
2372 if ( matcher ) {
2373 matcher( matcherIn, matcherOut, context, xml );
2374 }
2375
2376 // Apply postFilter
2377 if ( postFilter ) {
2378 temp = condense( matcherOut, postMap );
2379 postFilter( temp, [], context, xml );
2380
2381 // Un-match failing elements by moving them back to matcherIn
2382 i = temp.length;
2383 while ( i-- ) {
2384 if ( (elem = temp[i]) ) {
2385 matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2386 }
2387 }
2388 }
2389
2390 if ( seed ) {
2391 if ( postFinder || preFilter ) {
2392 if ( postFinder ) {
2393 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2394 temp = [];
2395 i = matcherOut.length;
2396 while ( i-- ) {
2397 if ( (elem = matcherOut[i]) ) {
2398 // Restore matcherIn since elem is not yet a final match
2399 temp.push( (matcherIn[i] = elem) );
2400 }
2401 }
2402 postFinder( null, (matcherOut = []), temp, xml );
2403 }
2404
2405 // Move matched elements from seed to results to keep them synchronized
2406 i = matcherOut.length;
2407 while ( i-- ) {
2408 if ( (elem = matcherOut[i]) &&
2409 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2410
2411 seed[temp] = !(results[temp] = elem);
2412 }
2413 }
2414 }
2415
2416 // Add elements to results, through postFinder if defined
2417 } else {
2418 matcherOut = condense(
2419 matcherOut === results ?
2420 matcherOut.splice( preexisting, matcherOut.length ) :
2421 matcherOut
2422 );
2423 if ( postFinder ) {
2424 postFinder( null, results, matcherOut, xml );
2425 } else {
2426 push.apply( results, matcherOut );
2427 }
2428 }
2429 });
2430 }
2431
2432 function matcherFromTokens( tokens ) {
2433 var checkContext, matcher, j,
2434 len = tokens.length,
2435 leadingRelative = Expr.relative[ tokens[0].type ],
2436 implicitRelative = leadingRelative || Expr.relative[" "],
2437 i = leadingRelative ? 1 : 0,
2438
2439 // The foundational matcher ensures that elements are reachable from top-level context(s)
2440 matchContext = addCombinator( function( elem ) {
2441 return elem === checkContext;
2442 }, implicitRelative, true ),
2443 matchAnyContext = addCombinator( function( elem ) {
2444 return indexOf( checkContext, elem ) > -1;
2445 }, implicitRelative, true ),
2446 matchers = [ function( elem, context, xml ) {
2447 var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2448 (checkContext = context).nodeType ?
2449 matchContext( elem, context, xml ) :
2450 matchAnyContext( elem, context, xml ) );
2451 // Avoid hanging onto element (issue #299)
2452 checkContext = null;
2453 return ret;
2454 } ];
2455
2456 for ( ; i < len; i++ ) {
2457 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2458 matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2459 } else {
2460 matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2461
2462 // Return special upon seeing a positional matcher
2463 if ( matcher[ expando ] ) {
2464 // Find the next relative operator (if any) for proper handling
2465 j = ++i;
2466 for ( ; j < len; j++ ) {
2467 if ( Expr.relative[ tokens[j].type ] ) {
2468 break;
2469 }
2470 }
2471 return setMatcher(
2472 i > 1 && elementMatcher( matchers ),
2473 i > 1 && toSelector(
2474 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2475 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2476 ).replace( rtrim, "$1" ),
2477 matcher,
2478 i < j && matcherFromTokens( tokens.slice( i, j ) ),
2479 j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2480 j < len && toSelector( tokens )
2481 );
2482 }
2483 matchers.push( matcher );
2484 }
2485 }
2486
2487 return elementMatcher( matchers );
2488 }
2489
2490 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2491 var bySet = setMatchers.length > 0,
2492 byElement = elementMatchers.length > 0,
2493 superMatcher = function( seed, context, xml, results, outermost ) {
2494 var elem, j, matcher,
2495 matchedCount = 0,
2496 i = "0",
2497 unmatched = seed && [],
2498 setMatched = [],
2499 contextBackup = outermostContext,
2500 // We must always have either seed elements or outermost context
2501 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2502 // Use integer dirruns iff this is the outermost matcher
2503 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2504 len = elems.length;
2505
2506 if ( outermost ) {
2507 outermostContext = context === document || context || outermost;
2508 }
2509
2510 // Add elements passing elementMatchers directly to results
2511 // Support: IE<9, Safari
2512 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2513 for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2514 if ( byElement && elem ) {
2515 j = 0;
2516 if ( !context && elem.ownerDocument !== document ) {
2517 setDocument( elem );
2518 xml = !documentIsHTML;
2519 }
2520 while ( (matcher = elementMatchers[j++]) ) {
2521 if ( matcher( elem, context || document, xml) ) {
2522 results.push( elem );
2523 break;
2524 }
2525 }
2526 if ( outermost ) {
2527 dirruns = dirrunsUnique;
2528 }
2529 }
2530
2531 // Track unmatched elements for set filters
2532 if ( bySet ) {
2533 // They will have gone through all possible matchers
2534 if ( (elem = !matcher && elem) ) {
2535 matchedCount--;
2536 }
2537
2538 // Lengthen the array for every element, matched or not
2539 if ( seed ) {
2540 unmatched.push( elem );
2541 }
2542 }
2543 }
2544
2545 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2546 // makes the latter nonnegative.
2547 matchedCount += i;
2548
2549 // Apply set filters to unmatched elements
2550 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2551 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2552 // no element matchers and no seed.
2553 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2554 // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2555 // numerically zero.
2556 if ( bySet && i !== matchedCount ) {
2557 j = 0;
2558 while ( (matcher = setMatchers[j++]) ) {
2559 matcher( unmatched, setMatched, context, xml );
2560 }
2561
2562 if ( seed ) {
2563 // Reintegrate element matches to eliminate the need for sorting
2564 if ( matchedCount > 0 ) {
2565 while ( i-- ) {
2566 if ( !(unmatched[i] || setMatched[i]) ) {
2567 setMatched[i] = pop.call( results );
2568 }
2569 }
2570 }
2571
2572 // Discard index placeholder values to get only actual matches
2573 setMatched = condense( setMatched );
2574 }
2575
2576 // Add matches to results
2577 push.apply( results, setMatched );
2578
2579 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2580 if ( outermost && !seed && setMatched.length > 0 &&
2581 ( matchedCount + setMatchers.length ) > 1 ) {
2582
2583 Sizzle.uniqueSort( results );
2584 }
2585 }
2586
2587 // Override manipulation of globals by nested matchers
2588 if ( outermost ) {
2589 dirruns = dirrunsUnique;
2590 outermostContext = contextBackup;
2591 }
2592
2593 return unmatched;
2594 };
2595
2596 return bySet ?
2597 markFunction( superMatcher ) :
2598 superMatcher;
2599 }
2600
2601 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2602 var i,
2603 setMatchers = [],
2604 elementMatchers = [],
2605 cached = compilerCache[ selector + " " ];
2606
2607 if ( !cached ) {
2608 // Generate a function of recursive functions that can be used to check each element
2609 if ( !match ) {
2610 match = tokenize( selector );
2611 }
2612 i = match.length;
2613 while ( i-- ) {
2614 cached = matcherFromTokens( match[i] );
2615 if ( cached[ expando ] ) {
2616 setMatchers.push( cached );
2617 } else {
2618 elementMatchers.push( cached );
2619 }
2620 }
2621
2622 // Cache the compiled function
2623 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2624
2625 // Save selector and tokenization
2626 cached.selector = selector;
2627 }
2628 return cached;
2629 };
2630
2631 /**
2632 * A low-level selection function that works with Sizzle's compiled
2633 * selector functions
2634 * @param {String|Function} selector A selector or a pre-compiled
2635 * selector function built with Sizzle.compile
2636 * @param {Element} context
2637 * @param {Array} [results]
2638 * @param {Array} [seed] A set of elements to match against
2639 */
2640 select = Sizzle.select = function( selector, context, results, seed ) {
2641 var i, tokens, token, type, find,
2642 compiled = typeof selector === "function" && selector,
2643 match = !seed && tokenize( (selector = compiled.selector || selector) );
2644
2645 results = results || [];
2646
2647 // Try to minimize operations if there is only one selector in the list and no seed
2648 // (the latter of which guarantees us context)
2649 if ( match.length === 1 ) {
2650
2651 // Reduce context if the leading compound selector is an ID
2652 tokens = match[0] = match[0].slice( 0 );
2653 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2654 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2655
2656 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2657 if ( !context ) {
2658 return results;
2659
2660 // Precompiled matchers will still verify ancestry, so step up a level
2661 } else if ( compiled ) {
2662 context = context.parentNode;
2663 }
2664
2665 selector = selector.slice( tokens.shift().value.length );
2666 }
2667
2668 // Fetch a seed set for right-to-left matching
2669 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2670 while ( i-- ) {
2671 token = tokens[i];
2672
2673 // Abort if we hit a combinator
2674 if ( Expr.relative[ (type = token.type) ] ) {
2675 break;
2676 }
2677 if ( (find = Expr.find[ type ]) ) {
2678 // Search, expanding context for leading sibling combinators
2679 if ( (seed = find(
2680 token.matches[0].replace( runescape, funescape ),
2681 rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2682 )) ) {
2683
2684 // If seed is empty or no tokens remain, we can return early
2685 tokens.splice( i, 1 );
2686 selector = seed.length && toSelector( tokens );
2687 if ( !selector ) {
2688 push.apply( results, seed );
2689 return results;
2690 }
2691
2692 break;
2693 }
2694 }
2695 }
2696 }
2697
2698 // Compile and execute a filtering function if one is not provided
2699 // Provide `match` to avoid retokenization if we modified the selector above
2700 ( compiled || compile( selector, match ) )(
2701 seed,
2702 context,
2703 !documentIsHTML,
2704 results,
2705 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2706 );
2707 return results;
2708 };
2709
2710 // One-time assignments
2711
2712 // Sort stability
2713 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2714
2715 // Support: Chrome 14-35+
2716 // Always assume duplicates if they aren't passed to the comparison function
2717 support.detectDuplicates = !!hasDuplicate;
2718
2719 // Initialize against the default document
2720 setDocument();
2721
2722 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2723 // Detached nodes confoundingly follow *each other*
2724 support.sortDetached = assert(function( el ) {
2725 // Should return 1, but returns 4 (following)
2726 return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2727 });
2728
2729 // Support: IE<8
2730 // Prevent attribute/property "interpolation"
2731 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2732 if ( !assert(function( el ) {
2733 el.innerHTML = "<a href='#'></a>";
2734 return el.firstChild.getAttribute("href") === "#" ;
2735 }) ) {
2736 addHandle( "type|href|height|width", function( elem, name, isXML ) {
2737 if ( !isXML ) {
2738 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2739 }
2740 });
2741 }
2742
2743 // Support: IE<9
2744 // Use defaultValue in place of getAttribute("value")
2745 if ( !support.attributes || !assert(function( el ) {
2746 el.innerHTML = "<input/>";
2747 el.firstChild.setAttribute( "value", "" );
2748 return el.firstChild.getAttribute( "value" ) === "";
2749 }) ) {
2750 addHandle( "value", function( elem, name, isXML ) {
2751 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2752 return elem.defaultValue;
2753 }
2754 });
2755 }
2756
2757 // Support: IE<9
2758 // Use getAttributeNode to fetch booleans when getAttribute lies
2759 if ( !assert(function( el ) {
2760 return el.getAttribute("disabled") == null;
2761 }) ) {
2762 addHandle( booleans, function( elem, name, isXML ) {
2763 var val;
2764 if ( !isXML ) {
2765 return elem[ name ] === true ? name.toLowerCase() :
2766 (val = elem.getAttributeNode( name )) && val.specified ?
2767 val.value :
2768 null;
2769 }
2770 });
2771 }
2772
2773 return Sizzle;
2774
2775 })( window );
2776
2777
2778
2779 jQuery.find = Sizzle;
2780 jQuery.expr = Sizzle.selectors;
2781
2782 // Deprecated
2783 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2784 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2785 jQuery.text = Sizzle.getText;
2786 jQuery.isXMLDoc = Sizzle.isXML;
2787 jQuery.contains = Sizzle.contains;
2788 jQuery.escapeSelector = Sizzle.escape;
2789
2790
2791
2792
2793 var dir = function( elem, dir, until ) {
2794 var matched = [],
2795 truncate = until !== undefined;
2796
2797 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2798 if ( elem.nodeType === 1 ) {
2799 if ( truncate && jQuery( elem ).is( until ) ) {
2800 break;
2801 }
2802 matched.push( elem );
2803 }
2804 }
2805 return matched;
2806 };
2807
2808
2809 var siblings = function( n, elem ) {
2810 var matched = [];
2811
2812 for ( ; n; n = n.nextSibling ) {
2813 if ( n.nodeType === 1 && n !== elem ) {
2814 matched.push( n );
2815 }
2816 }
2817
2818 return matched;
2819 };
2820
2821
2822 var rneedsContext = jQuery.expr.match.needsContext;
2823
2824
2825
2826 function nodeName( elem, name ) {
2827
2828 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2829
2830 };
2831 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2832
2833
2834
2835 // Implement the identical functionality for filter and not
2836 function winnow( elements, qualifier, not ) {
2837 if ( isFunction( qualifier ) ) {
2838 return jQuery.grep( elements, function( elem, i ) {
2839 return !!qualifier.call( elem, i, elem ) !== not;
2840 } );
2841 }
2842
2843 // Single element
2844 if ( qualifier.nodeType ) {
2845 return jQuery.grep( elements, function( elem ) {
2846 return ( elem === qualifier ) !== not;
2847 } );
2848 }
2849
2850 // Arraylike of elements (jQuery, arguments, Array)
2851 if ( typeof qualifier !== "string" ) {
2852 return jQuery.grep( elements, function( elem ) {
2853 return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2854 } );
2855 }
2856
2857 // Filtered directly for both simple and complex selectors
2858 return jQuery.filter( qualifier, elements, not );
2859 }
2860
2861 jQuery.filter = function( expr, elems, not ) {
2862 var elem = elems[ 0 ];
2863
2864 if ( not ) {
2865 expr = ":not(" + expr + ")";
2866 }
2867
2868 if ( elems.length === 1 && elem.nodeType === 1 ) {
2869 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2870 }
2871
2872 return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2873 return elem.nodeType === 1;
2874 } ) );
2875 };
2876
2877 jQuery.fn.extend( {
2878 find: function( selector ) {
2879 var i, ret,
2880 len = this.length,
2881 self = this;
2882
2883 if ( typeof selector !== "string" ) {
2884 return this.pushStack( jQuery( selector ).filter( function() {
2885 for ( i = 0; i < len; i++ ) {
2886 if ( jQuery.contains( self[ i ], this ) ) {
2887 return true;
2888 }
2889 }
2890 } ) );
2891 }
2892
2893 ret = this.pushStack( [] );
2894
2895 for ( i = 0; i < len; i++ ) {
2896 jQuery.find( selector, self[ i ], ret );
2897 }
2898
2899 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2900 },
2901 filter: function( selector ) {
2902 return this.pushStack( winnow( this, selector || [], false ) );
2903 },
2904 not: function( selector ) {
2905 return this.pushStack( winnow( this, selector || [], true ) );
2906 },
2907 is: function( selector ) {
2908 return !!winnow(
2909 this,
2910
2911 // If this is a positional/relative selector, check membership in the returned set
2912 // so $("p:first").is("p:last") won't return true for a doc with two "p".
2913 typeof selector === "string" && rneedsContext.test( selector ) ?
2914 jQuery( selector ) :
2915 selector || [],
2916 false
2917 ).length;
2918 }
2919 } );
2920
2921
2922 // Initialize a jQuery object
2923
2924
2925 // A central reference to the root jQuery(document)
2926 var rootjQuery,
2927
2928 // A simple way to check for HTML strings
2929 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2930 // Strict HTML recognition (#11290: must start with <)
2931 // Shortcut simple #id case for speed
2932 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2933
2934 init = jQuery.fn.init = function( selector, context, root ) {
2935 var match, elem;
2936
2937 // HANDLE: $(""), $(null), $(undefined), $(false)
2938 if ( !selector ) {
2939 return this;
2940 }
2941
2942 // Method init() accepts an alternate rootjQuery
2943 // so migrate can support jQuery.sub (gh-2101)
2944 root = root || rootjQuery;
2945
2946 // Handle HTML strings
2947 if ( typeof selector === "string" ) {
2948 if ( selector[ 0 ] === "<" &&
2949 selector[ selector.length - 1 ] === ">" &&
2950 selector.length >= 3 ) {
2951
2952 // Assume that strings that start and end with <> are HTML and skip the regex check
2953 match = [ null, selector, null ];
2954
2955 } else {
2956 match = rquickExpr.exec( selector );
2957 }
2958
2959 // Match html or make sure no context is specified for #id
2960 if ( match && ( match[ 1 ] || !context ) ) {
2961
2962 // HANDLE: $(html) -> $(array)
2963 if ( match[ 1 ] ) {
2964 context = context instanceof jQuery ? context[ 0 ] : context;
2965
2966 // Option to run scripts is true for back-compat
2967 // Intentionally let the error be thrown if parseHTML is not present
2968 jQuery.merge( this, jQuery.parseHTML(
2969 match[ 1 ],
2970 context && context.nodeType ? context.ownerDocument || context : document,
2971 true
2972 ) );
2973
2974 // HANDLE: $(html, props)
2975 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2976 for ( match in context ) {
2977
2978 // Properties of context are called as methods if possible
2979 if ( isFunction( this[ match ] ) ) {
2980 this[ match ]( context[ match ] );
2981
2982 // ...and otherwise set as attributes
2983 } else {
2984 this.attr( match, context[ match ] );
2985 }
2986 }
2987 }
2988
2989 return this;
2990
2991 // HANDLE: $(#id)
2992 } else {
2993 elem = document.getElementById( match[ 2 ] );
2994
2995 if ( elem ) {
2996
2997 // Inject the element directly into the jQuery object
2998 this[ 0 ] = elem;
2999 this.length = 1;
3000 }
3001 return this;
3002 }
3003
3004 // HANDLE: $(expr, $(...))
3005 } else if ( !context || context.jquery ) {
3006 return ( context || root ).find( selector );
3007
3008 // HANDLE: $(expr, context)
3009 // (which is just equivalent to: $(context).find(expr)
3010 } else {
3011 return this.constructor( context ).find( selector );
3012 }
3013
3014 // HANDLE: $(DOMElement)
3015 } else if ( selector.nodeType ) {
3016 this[ 0 ] = selector;
3017 this.length = 1;
3018 return this;
3019
3020 // HANDLE: $(function)
3021 // Shortcut for document ready
3022 } else if ( isFunction( selector ) ) {
3023 return root.ready !== undefined ?
3024 root.ready( selector ) :
3025
3026 // Execute immediately if ready is not present
3027 selector( jQuery );
3028 }
3029
3030 return jQuery.makeArray( selector, this );
3031 };
3032
3033 // Give the init function the jQuery prototype for later instantiation
3034 init.prototype = jQuery.fn;
3035
3036 // Initialize central reference
3037 rootjQuery = jQuery( document );
3038
3039
3040 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3041
3042 // Methods guaranteed to produce a unique set when starting from a unique set
3043 guaranteedUnique = {
3044 children: true,
3045 contents: true,
3046 next: true,
3047 prev: true
3048 };
3049
3050 jQuery.fn.extend( {
3051 has: function( target ) {
3052 var targets = jQuery( target, this ),
3053 l = targets.length;
3054
3055 return this.filter( function() {
3056 var i = 0;
3057 for ( ; i < l; i++ ) {
3058 if ( jQuery.contains( this, targets[ i ] ) ) {
3059 return true;
3060 }
3061 }
3062 } );
3063 },
3064
3065 closest: function( selectors, context ) {
3066 var cur,
3067 i = 0,
3068 l = this.length,
3069 matched = [],
3070 targets = typeof selectors !== "string" && jQuery( selectors );
3071
3072 // Positional selectors never match, since there's no _selection_ context
3073 if ( !rneedsContext.test( selectors ) ) {
3074 for ( ; i < l; i++ ) {
3075 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3076
3077 // Always skip document fragments
3078 if ( cur.nodeType < 11 && ( targets ?
3079 targets.index( cur ) > -1 :
3080
3081 // Don't pass non-elements to Sizzle
3082 cur.nodeType === 1 &&
3083 jQuery.find.matchesSelector( cur, selectors ) ) ) {
3084
3085 matched.push( cur );
3086 break;
3087 }
3088 }
3089 }
3090 }
3091
3092 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3093 },
3094
3095 // Determine the position of an element within the set
3096 index: function( elem ) {
3097
3098 // No argument, return index in parent
3099 if ( !elem ) {
3100 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3101 }
3102
3103 // Index in selector
3104 if ( typeof elem === "string" ) {
3105 return indexOf.call( jQuery( elem ), this[ 0 ] );
3106 }
3107
3108 // Locate the position of the desired element
3109 return indexOf.call( this,
3110
3111 // If it receives a jQuery object, the first element is used
3112 elem.jquery ? elem[ 0 ] : elem
3113 );
3114 },
3115
3116 add: function( selector, context ) {
3117 return this.pushStack(
3118 jQuery.uniqueSort(
3119 jQuery.merge( this.get(), jQuery( selector, context ) )
3120 )
3121 );
3122 },
3123
3124 addBack: function( selector ) {
3125 return this.add( selector == null ?
3126 this.prevObject : this.prevObject.filter( selector )
3127 );
3128 }
3129 } );
3130
3131 function sibling( cur, dir ) {
3132 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3133 return cur;
3134 }
3135
3136 jQuery.each( {
3137 parent: function( elem ) {
3138 var parent = elem.parentNode;
3139 return parent && parent.nodeType !== 11 ? parent : null;
3140 },
3141 parents: function( elem ) {
3142 return dir( elem, "parentNode" );
3143 },
3144 parentsUntil: function( elem, i, until ) {
3145 return dir( elem, "parentNode", until );
3146 },
3147 next: function( elem ) {
3148 return sibling( elem, "nextSibling" );
3149 },
3150 prev: function( elem ) {
3151 return sibling( elem, "previousSibling" );
3152 },
3153 nextAll: function( elem ) {
3154 return dir( elem, "nextSibling" );
3155 },
3156 prevAll: function( elem ) {
3157 return dir( elem, "previousSibling" );
3158 },
3159 nextUntil: function( elem, i, until ) {
3160 return dir( elem, "nextSibling", until );
3161 },
3162 prevUntil: function( elem, i, until ) {
3163 return dir( elem, "previousSibling", until );
3164 },
3165 siblings: function( elem ) {
3166 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3167 },
3168 children: function( elem ) {
3169 return siblings( elem.firstChild );
3170 },
3171 contents: function( elem ) {
3172 if ( typeof elem.contentDocument !== "undefined" ) {
3173 return elem.contentDocument;
3174 }
3175
3176 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3177 // Treat the template element as a regular one in browsers that
3178 // don't support it.
3179 if ( nodeName( elem, "template" ) ) {
3180 elem = elem.content || elem;
3181 }
3182
3183 return jQuery.merge( [], elem.childNodes );
3184 }
3185 }, function( name, fn ) {
3186 jQuery.fn[ name ] = function( until, selector ) {
3187 var matched = jQuery.map( this, fn, until );
3188
3189 if ( name.slice( -5 ) !== "Until" ) {
3190 selector = until;
3191 }
3192
3193 if ( selector && typeof selector === "string" ) {
3194 matched = jQuery.filter( selector, matched );
3195 }
3196
3197 if ( this.length > 1 ) {
3198
3199 // Remove duplicates
3200 if ( !guaranteedUnique[ name ] ) {
3201 jQuery.uniqueSort( matched );
3202 }
3203
3204 // Reverse order for parents* and prev-derivatives
3205 if ( rparentsprev.test( name ) ) {
3206 matched.reverse();
3207 }
3208 }
3209
3210 return this.pushStack( matched );
3211 };
3212 } );
3213 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3214
3215
3216
3217 // Convert String-formatted options into Object-formatted ones
3218 function createOptions( options ) {
3219 var object = {};
3220 jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3221 object[ flag ] = true;
3222 } );
3223 return object;
3224 }
3225
3226 /*
3227 * Create a callback list using the following parameters:
3228 *
3229 * options: an optional list of space-separated options that will change how
3230 * the callback list behaves or a more traditional option object
3231 *
3232 * By default a callback list will act like an event callback list and can be
3233 * "fired" multiple times.
3234 *
3235 * Possible options:
3236 *
3237 * once: will ensure the callback list can only be fired once (like a Deferred)
3238 *
3239 * memory: will keep track of previous values and will call any callback added
3240 * after the list has been fired right away with the latest "memorized"
3241 * values (like a Deferred)
3242 *
3243 * unique: will ensure a callback can only be added once (no duplicate in the list)
3244 *
3245 * stopOnFalse: interrupt callings when a callback returns false
3246 *
3247 */
3248 jQuery.Callbacks = function( options ) {
3249
3250 // Convert options from String-formatted to Object-formatted if needed
3251 // (we check in cache first)
3252 options = typeof options === "string" ?
3253 createOptions( options ) :
3254 jQuery.extend( {}, options );
3255
3256 var // Flag to know if list is currently firing
3257 firing,
3258
3259 // Last fire value for non-forgettable lists
3260 memory,
3261
3262 // Flag to know if list was already fired
3263 fired,
3264
3265 // Flag to prevent firing
3266 locked,
3267
3268 // Actual callback list
3269 list = [],
3270
3271 // Queue of execution data for repeatable lists
3272 queue = [],
3273
3274 // Index of currently firing callback (modified by add/remove as needed)
3275 firingIndex = -1,
3276
3277 // Fire callbacks
3278 fire = function() {
3279
3280 // Enforce single-firing
3281 locked = locked || options.once;
3282
3283 // Execute callbacks for all pending executions,
3284 // respecting firingIndex overrides and runtime changes
3285 fired = firing = true;
3286 for ( ; queue.length; firingIndex = -1 ) {
3287 memory = queue.shift();
3288 while ( ++firingIndex < list.length ) {
3289
3290 // Run callback and check for early termination
3291 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3292 options.stopOnFalse ) {
3293
3294 // Jump to end and forget the data so .add doesn't re-fire
3295 firingIndex = list.length;
3296 memory = false;
3297 }
3298 }
3299 }
3300
3301 // Forget the data if we're done with it
3302 if ( !options.memory ) {
3303 memory = false;
3304 }
3305
3306 firing = false;
3307
3308 // Clean up if we're done firing for good
3309 if ( locked ) {
3310
3311 // Keep an empty list if we have data for future add calls
3312 if ( memory ) {
3313 list = [];
3314
3315 // Otherwise, this object is spent
3316 } else {
3317 list = "";
3318 }
3319 }
3320 },
3321
3322 // Actual Callbacks object
3323 self = {
3324
3325 // Add a callback or a collection of callbacks to the list
3326 add: function() {
3327 if ( list ) {
3328
3329 // If we have memory from a past run, we should fire after adding
3330 if ( memory && !firing ) {
3331 firingIndex = list.length - 1;
3332 queue.push( memory );
3333 }
3334
3335 ( function add( args ) {
3336 jQuery.each( args, function( _, arg ) {
3337 if ( isFunction( arg ) ) {
3338 if ( !options.unique || !self.has( arg ) ) {
3339 list.push( arg );
3340 }
3341 } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3342
3343 // Inspect recursively
3344 add( arg );
3345 }
3346 } );
3347 } )( arguments );
3348
3349 if ( memory && !firing ) {
3350 fire();
3351 }
3352 }
3353 return this;
3354 },
3355
3356 // Remove a callback from the list
3357 remove: function() {
3358 jQuery.each( arguments, function( _, arg ) {
3359 var index;
3360 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3361 list.splice( index, 1 );
3362
3363 // Handle firing indexes
3364 if ( index <= firingIndex ) {
3365 firingIndex--;
3366 }
3367 }
3368 } );
3369 return this;
3370 },
3371
3372 // Check if a given callback is in the list.
3373 // If no argument is given, return whether or not list has callbacks attached.
3374 has: function( fn ) {
3375 return fn ?
3376 jQuery.inArray( fn, list ) > -1 :
3377 list.length > 0;
3378 },
3379
3380 // Remove all callbacks from the list
3381 empty: function() {
3382 if ( list ) {
3383 list = [];
3384 }
3385 return this;
3386 },
3387
3388 // Disable .fire and .add
3389 // Abort any current/pending executions
3390 // Clear all callbacks and values
3391 disable: function() {
3392 locked = queue = [];
3393 list = memory = "";
3394 return this;
3395 },
3396 disabled: function() {
3397 return !list;
3398 },
3399
3400 // Disable .fire
3401 // Also disable .add unless we have memory (since it would have no effect)
3402 // Abort any pending executions
3403 lock: function() {
3404 locked = queue = [];
3405 if ( !memory && !firing ) {
3406 list = memory = "";
3407 }
3408 return this;
3409 },
3410 locked: function() {
3411 return !!locked;
3412 },
3413
3414 // Call all callbacks with the given context and arguments
3415 fireWith: function( context, args ) {
3416 if ( !locked ) {
3417 args = args || [];
3418 args = [ context, args.slice ? args.slice() : args ];
3419 queue.push( args );
3420 if ( !firing ) {
3421 fire();
3422 }
3423 }
3424 return this;
3425 },
3426
3427 // Call all the callbacks with the given arguments
3428 fire: function() {
3429 self.fireWith( this, arguments );
3430 return this;
3431 },
3432
3433 // To know if the callbacks have already been called at least once
3434 fired: function() {
3435 return !!fired;
3436 }
3437 };
3438
3439 return self;
3440 };
3441
3442
3443 function Identity( v ) {
3444 return v;
3445 }
3446 function Thrower( ex ) {
3447 throw ex;
3448 }
3449
3450 function adoptValue( value, resolve, reject, noValue ) {
3451 var method;
3452
3453 try {
3454
3455 // Check for promise aspect first to privilege synchronous behavior
3456 if ( value && isFunction( ( method = value.promise ) ) ) {
3457 method.call( value ).done( resolve ).fail( reject );
3458
3459 // Other thenables
3460 } else if ( value && isFunction( ( method = value.then ) ) ) {
3461 method.call( value, resolve, reject );
3462
3463 // Other non-thenables
3464 } else {
3465
3466 // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3467 // * false: [ value ].slice( 0 ) => resolve( value )
3468 // * true: [ value ].slice( 1 ) => resolve()
3469 resolve.apply( undefined, [ value ].slice( noValue ) );
3470 }
3471
3472 // For Promises/A+, convert exceptions into rejections
3473 // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3474 // Deferred#then to conditionally suppress rejection.
3475 } catch ( value ) {
3476
3477 // Support: Android 4.0 only
3478 // Strict mode functions invoked without .call/.apply get global-object context
3479 reject.apply( undefined, [ value ] );
3480 }
3481 }
3482
3483 jQuery.extend( {
3484
3485 Deferred: function( func ) {
3486 var tuples = [
3487
3488 // action, add listener, callbacks,
3489 // ... .then handlers, argument index, [final state]
3490 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3491 jQuery.Callbacks( "memory" ), 2 ],
3492 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3493 jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3494 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3495 jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3496 ],
3497 state = "pending",
3498 promise = {
3499 state: function() {
3500 return state;
3501 },
3502 always: function() {
3503 deferred.done( arguments ).fail( arguments );
3504 return this;
3505 },
3506 "catch": function( fn ) {
3507 return promise.then( null, fn );
3508 },
3509
3510 // Keep pipe for back-compat
3511 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3512 var fns = arguments;
3513
3514 return jQuery.Deferred( function( newDefer ) {
3515 jQuery.each( tuples, function( i, tuple ) {
3516
3517 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3518 var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3519
3520 // deferred.progress(function() { bind to newDefer or newDefer.notify })
3521 // deferred.done(function() { bind to newDefer or newDefer.resolve })
3522 // deferred.fail(function() { bind to newDefer or newDefer.reject })
3523 deferred[ tuple[ 1 ] ]( function() {
3524 var returned = fn && fn.apply( this, arguments );
3525 if ( returned && isFunction( returned.promise ) ) {
3526 returned.promise()
3527 .progress( newDefer.notify )
3528 .done( newDefer.resolve )
3529 .fail( newDefer.reject );
3530 } else {
3531 newDefer[ tuple[ 0 ] + "With" ](
3532 this,
3533 fn ? [ returned ] : arguments
3534 );
3535 }
3536 } );
3537 } );
3538 fns = null;
3539 } ).promise();
3540 },
3541 then: function( onFulfilled, onRejected, onProgress ) {
3542 var maxDepth = 0;
3543 function resolve( depth, deferred, handler, special ) {
3544 return function() {
3545 var that = this,
3546 args = arguments,
3547 mightThrow = function() {
3548 var returned, then;
3549
3550 // Support: Promises/A+ section 2.3.3.3.3
3551 // https://promisesaplus.com/#point-59
3552 // Ignore double-resolution attempts
3553 if ( depth < maxDepth ) {
3554 return;
3555 }
3556
3557 returned = handler.apply( that, args );
3558
3559 // Support: Promises/A+ section 2.3.1
3560 // https://promisesaplus.com/#point-48
3561 if ( returned === deferred.promise() ) {
3562 throw new TypeError( "Thenable self-resolution" );
3563 }
3564
3565 // Support: Promises/A+ sections 2.3.3.1, 3.5
3566 // https://promisesaplus.com/#point-54
3567 // https://promisesaplus.com/#point-75
3568 // Retrieve `then` only once
3569 then = returned &&
3570
3571 // Support: Promises/A+ section 2.3.4
3572 // https://promisesaplus.com/#point-64
3573 // Only check objects and functions for thenability
3574 ( typeof returned === "object" ||
3575 typeof returned === "function" ) &&
3576 returned.then;
3577
3578 // Handle a returned thenable
3579 if ( isFunction( then ) ) {
3580
3581 // Special processors (notify) just wait for resolution
3582 if ( special ) {
3583 then.call(
3584 returned,
3585 resolve( maxDepth, deferred, Identity, special ),
3586 resolve( maxDepth, deferred, Thrower, special )
3587 );
3588
3589 // Normal processors (resolve) also hook into progress
3590 } else {
3591
3592 // ...and disregard older resolution values
3593 maxDepth++;
3594
3595 then.call(
3596 returned,
3597 resolve( maxDepth, deferred, Identity, special ),
3598 resolve( maxDepth, deferred, Thrower, special ),
3599 resolve( maxDepth, deferred, Identity,
3600 deferred.notifyWith )
3601 );
3602 }
3603
3604 // Handle all other returned values
3605 } else {
3606
3607 // Only substitute handlers pass on context
3608 // and multiple values (non-spec behavior)
3609 if ( handler !== Identity ) {
3610 that = undefined;
3611 args = [ returned ];
3612 }
3613
3614 // Process the value(s)
3615 // Default process is resolve
3616 ( special || deferred.resolveWith )( that, args );
3617 }
3618 },
3619
3620 // Only normal processors (resolve) catch and reject exceptions
3621 process = special ?
3622 mightThrow :
3623 function() {
3624 try {
3625 mightThrow();
3626 } catch ( e ) {
3627
3628 if ( jQuery.Deferred.exceptionHook ) {
3629 jQuery.Deferred.exceptionHook( e,
3630 process.stackTrace );
3631 }
3632
3633 // Support: Promises/A+ section 2.3.3.3.4.1
3634 // https://promisesaplus.com/#point-61
3635 // Ignore post-resolution exceptions
3636 if ( depth + 1 >= maxDepth ) {
3637
3638 // Only substitute handlers pass on context
3639 // and multiple values (non-spec behavior)
3640 if ( handler !== Thrower ) {
3641 that = undefined;
3642 args = [ e ];
3643 }
3644
3645 deferred.rejectWith( that, args );
3646 }
3647 }
3648 };
3649
3650 // Support: Promises/A+ section 2.3.3.3.1
3651 // https://promisesaplus.com/#point-57
3652 // Re-resolve promises immediately to dodge false rejection from
3653 // subsequent errors
3654 if ( depth ) {
3655 process();
3656 } else {
3657
3658 // Call an optional hook to record the stack, in case of exception
3659 // since it's otherwise lost when execution goes async
3660 if ( jQuery.Deferred.getStackHook ) {
3661 process.stackTrace = jQuery.Deferred.getStackHook();
3662 }
3663 window.setTimeout( process );
3664 }
3665 };
3666 }
3667
3668 return jQuery.Deferred( function( newDefer ) {
3669
3670 // progress_handlers.add( ... )
3671 tuples[ 0 ][ 3 ].add(
3672 resolve(
3673 0,
3674 newDefer,
3675 isFunction( onProgress ) ?
3676 onProgress :
3677 Identity,
3678 newDefer.notifyWith
3679 )
3680 );
3681
3682 // fulfilled_handlers.add( ... )
3683 tuples[ 1 ][ 3 ].add(
3684 resolve(
3685 0,
3686 newDefer,
3687 isFunction( onFulfilled ) ?
3688 onFulfilled :
3689 Identity
3690 )
3691 );
3692
3693 // rejected_handlers.add( ... )
3694 tuples[ 2 ][ 3 ].add(
3695 resolve(
3696 0,
3697 newDefer,
3698 isFunction( onRejected ) ?
3699 onRejected :
3700 Thrower
3701 )
3702 );
3703 } ).promise();
3704 },
3705
3706 // Get a promise for this deferred
3707 // If obj is provided, the promise aspect is added to the object
3708 promise: function( obj ) {
3709 return obj != null ? jQuery.extend( obj, promise ) : promise;
3710 }
3711 },
3712 deferred = {};
3713
3714 // Add list-specific methods
3715 jQuery.each( tuples, function( i, tuple ) {
3716 var list = tuple[ 2 ],
3717 stateString = tuple[ 5 ];
3718
3719 // promise.progress = list.add
3720 // promise.done = list.add
3721 // promise.fail = list.add
3722 promise[ tuple[ 1 ] ] = list.add;
3723
3724 // Handle state
3725 if ( stateString ) {
3726 list.add(
3727 function() {
3728
3729 // state = "resolved" (i.e., fulfilled)
3730 // state = "rejected"
3731 state = stateString;
3732 },
3733
3734 // rejected_callbacks.disable
3735 // fulfilled_callbacks.disable
3736 tuples[ 3 - i ][ 2 ].disable,
3737
3738 // rejected_handlers.disable
3739 // fulfilled_handlers.disable
3740 tuples[ 3 - i ][ 3 ].disable,
3741
3742 // progress_callbacks.lock
3743 tuples[ 0 ][ 2 ].lock,
3744
3745 // progress_handlers.lock
3746 tuples[ 0 ][ 3 ].lock
3747 );
3748 }
3749
3750 // progress_handlers.fire
3751 // fulfilled_handlers.fire
3752 // rejected_handlers.fire
3753 list.add( tuple[ 3 ].fire );
3754
3755 // deferred.notify = function() { deferred.notifyWith(...) }
3756 // deferred.resolve = function() { deferred.resolveWith(...) }
3757 // deferred.reject = function() { deferred.rejectWith(...) }
3758 deferred[ tuple[ 0 ] ] = function() {
3759 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3760 return this;
3761 };
3762
3763 // deferred.notifyWith = list.fireWith
3764 // deferred.resolveWith = list.fireWith
3765 // deferred.rejectWith = list.fireWith
3766 deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3767 } );
3768
3769 // Make the deferred a promise
3770 promise.promise( deferred );
3771
3772 // Call given func if any
3773 if ( func ) {
3774 func.call( deferred, deferred );
3775 }
3776
3777 // All done!
3778 return deferred;
3779 },
3780
3781 // Deferred helper
3782 when: function( singleValue ) {
3783 var
3784
3785 // count of uncompleted subordinates
3786 remaining = arguments.length,
3787
3788 // count of unprocessed arguments
3789 i = remaining,
3790
3791 // subordinate fulfillment data
3792 resolveContexts = Array( i ),
3793 resolveValues = slice.call( arguments ),
3794
3795 // the master Deferred
3796 master = jQuery.Deferred(),
3797
3798 // subordinate callback factory
3799 updateFunc = function( i ) {
3800 return function( value ) {
3801 resolveContexts[ i ] = this;
3802 resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3803 if ( !( --remaining ) ) {
3804 master.resolveWith( resolveContexts, resolveValues );
3805 }
3806 };
3807 };
3808
3809 // Single- and empty arguments are adopted like Promise.resolve
3810 if ( remaining <= 1 ) {
3811 adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3812 !remaining );
3813
3814 // Use .then() to unwrap secondary thenables (cf. gh-3000)
3815 if ( master.state() === "pending" ||
3816 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3817
3818 return master.then();
3819 }
3820 }
3821
3822 // Multiple arguments are aggregated like Promise.all array elements
3823 while ( i-- ) {
3824 adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3825 }
3826
3827 return master.promise();
3828 }
3829 } );
3830
3831
3832 // These usually indicate a programmer mistake during development,
3833 // warn about them ASAP rather than swallowing them by default.
3834 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3835
3836 jQuery.Deferred.exceptionHook = function( error, stack ) {
3837
3838 // Support: IE 8 - 9 only
3839 // Console exists when dev tools are open, which can happen at any time
3840 if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3841 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3842 }
3843 };
3844
3845
3846
3847
3848 jQuery.readyException = function( error ) {
3849 window.setTimeout( function() {
3850 throw error;
3851 } );
3852 };
3853
3854
3855
3856
3857 // The deferred used on DOM ready
3858 var readyList = jQuery.Deferred();
3859
3860 jQuery.fn.ready = function( fn ) {
3861
3862 readyList
3863 .then( fn )
3864
3865 // Wrap jQuery.readyException in a function so that the lookup
3866 // happens at the time of error handling instead of callback
3867 // registration.
3868 .catch( function( error ) {
3869 jQuery.readyException( error );
3870 } );
3871
3872 return this;
3873 };
3874
3875 jQuery.extend( {
3876
3877 // Is the DOM ready to be used? Set to true once it occurs.
3878 isReady: false,
3879
3880 // A counter to track how many items to wait for before
3881 // the ready event fires. See #6781
3882 readyWait: 1,
3883
3884 // Handle when the DOM is ready
3885 ready: function( wait ) {
3886
3887 // Abort if there are pending holds or we're already ready
3888 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3889 return;
3890 }
3891
3892 // Remember that the DOM is ready
3893 jQuery.isReady = true;
3894
3895 // If a normal DOM Ready event fired, decrement, and wait if need be
3896 if ( wait !== true && --jQuery.readyWait > 0 ) {
3897 return;
3898 }
3899
3900 // If there are functions bound, to execute
3901 readyList.resolveWith( document, [ jQuery ] );
3902 }
3903 } );
3904
3905 jQuery.ready.then = readyList.then;
3906
3907 // The ready event handler and self cleanup method
3908 function completed() {
3909 document.removeEventListener( "DOMContentLoaded", completed );
3910 window.removeEventListener( "load", completed );
3911 jQuery.ready();
3912 }
3913
3914 // Catch cases where $(document).ready() is called
3915 // after the browser event has already occurred.
3916 // Support: IE <=9 - 10 only
3917 // Older IE sometimes signals "interactive" too soon
3918 if ( document.readyState === "complete" ||
3919 ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3920
3921 // Handle it asynchronously to allow scripts the opportunity to delay ready
3922 window.setTimeout( jQuery.ready );
3923
3924 } else {
3925
3926 // Use the handy event callback
3927 document.addEventListener( "DOMContentLoaded", completed );
3928
3929 // A fallback to window.onload, that will always work
3930 window.addEventListener( "load", completed );
3931 }
3932
3933
3934
3935
3936 // Multifunctional method to get and set values of a collection
3937 // The value/s can optionally be executed if it's a function
3938 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3939 var i = 0,
3940 len = elems.length,
3941 bulk = key == null;
3942
3943 // Sets many values
3944 if ( toType( key ) === "object" ) {
3945 chainable = true;
3946 for ( i in key ) {
3947 access( elems, fn, i, key[ i ], true, emptyGet, raw );
3948 }
3949
3950 // Sets one value
3951 } else if ( value !== undefined ) {
3952 chainable = true;
3953
3954 if ( !isFunction( value ) ) {
3955 raw = true;
3956 }
3957
3958 if ( bulk ) {
3959
3960 // Bulk operations run against the entire set
3961 if ( raw ) {
3962 fn.call( elems, value );
3963 fn = null;
3964
3965 // ...except when executing function values
3966 } else {
3967 bulk = fn;
3968 fn = function( elem, key, value ) {
3969 return bulk.call( jQuery( elem ), value );
3970 };
3971 }
3972 }
3973
3974 if ( fn ) {
3975 for ( ; i < len; i++ ) {
3976 fn(
3977 elems[ i ], key, raw ?
3978 value :
3979 value.call( elems[ i ], i, fn( elems[ i ], key ) )
3980 );
3981 }
3982 }
3983 }
3984
3985 if ( chainable ) {
3986 return elems;
3987 }
3988
3989 // Gets
3990 if ( bulk ) {
3991 return fn.call( elems );
3992 }
3993
3994 return len ? fn( elems[ 0 ], key ) : emptyGet;
3995 };
3996
3997
3998 // Matches dashed string for camelizing
3999 var rmsPrefix = /^-ms-/,
4000 rdashAlpha = /-([a-z])/g;
4001
4002 // Used by camelCase as callback to replace()
4003 function fcamelCase( all, letter ) {
4004 return letter.toUpperCase();
4005 }
4006
4007 // Convert dashed to camelCase; used by the css and data modules
4008 // Support: IE <=9 - 11, Edge 12 - 15
4009 // Microsoft forgot to hump their vendor prefix (#9572)
4010 function camelCase( string ) {
4011 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4012 }
4013 var acceptData = function( owner ) {
4014
4015 // Accepts only:
4016 // - Node
4017 // - Node.ELEMENT_NODE
4018 // - Node.DOCUMENT_NODE
4019 // - Object
4020 // - Any
4021 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4022 };
4023
4024
4025
4026
4027 function Data() {
4028 this.expando = jQuery.expando + Data.uid++;
4029 }
4030
4031 Data.uid = 1;
4032
4033 Data.prototype = {
4034
4035 cache: function( owner ) {
4036
4037 // Check if the owner object already has a cache
4038 var value = owner[ this.expando ];
4039
4040 // If not, create one
4041 if ( !value ) {
4042 value = {};
4043
4044 // We can accept data for non-element nodes in modern browsers,
4045 // but we should not, see #8335.
4046 // Always return an empty object.
4047 if ( acceptData( owner ) ) {
4048
4049 // If it is a node unlikely to be stringify-ed or looped over
4050 // use plain assignment
4051 if ( owner.nodeType ) {
4052 owner[ this.expando ] = value;
4053
4054 // Otherwise secure it in a non-enumerable property
4055 // configurable must be true to allow the property to be
4056 // deleted when data is removed
4057 } else {
4058 Object.defineProperty( owner, this.expando, {
4059 value: value,
4060 configurable: true
4061 } );
4062 }
4063 }
4064 }
4065
4066 return value;
4067 },
4068 set: function( owner, data, value ) {
4069 var prop,
4070 cache = this.cache( owner );
4071
4072 // Handle: [ owner, key, value ] args
4073 // Always use camelCase key (gh-2257)
4074 if ( typeof data === "string" ) {
4075 cache[ camelCase( data ) ] = value;
4076
4077 // Handle: [ owner, { properties } ] args
4078 } else {
4079
4080 // Copy the properties one-by-one to the cache object
4081 for ( prop in data ) {
4082 cache[ camelCase( prop ) ] = data[ prop ];
4083 }
4084 }
4085 return cache;
4086 },
4087 get: function( owner, key ) {
4088 return key === undefined ?
4089 this.cache( owner ) :
4090
4091 // Always use camelCase key (gh-2257)
4092 owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4093 },
4094 access: function( owner, key, value ) {
4095
4096 // In cases where either:
4097 //
4098 // 1. No key was specified
4099 // 2. A string key was specified, but no value provided
4100 //
4101 // Take the "read" path and allow the get method to determine
4102 // which value to return, respectively either:
4103 //
4104 // 1. The entire cache object
4105 // 2. The data stored at the key
4106 //
4107 if ( key === undefined ||
4108 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4109
4110 return this.get( owner, key );
4111 }
4112
4113 // When the key is not a string, or both a key and value
4114 // are specified, set or extend (existing objects) with either:
4115 //
4116 // 1. An object of properties
4117 // 2. A key and value
4118 //
4119 this.set( owner, key, value );
4120
4121 // Since the "set" path can have two possible entry points
4122 // return the expected data based on which path was taken[*]
4123 return value !== undefined ? value : key;
4124 },
4125 remove: function( owner, key ) {
4126 var i,
4127 cache = owner[ this.expando ];
4128
4129 if ( cache === undefined ) {
4130 return;
4131 }
4132
4133 if ( key !== undefined ) {
4134
4135 // Support array or space separated string of keys
4136 if ( Array.isArray( key ) ) {
4137
4138 // If key is an array of keys...
4139 // We always set camelCase keys, so remove that.
4140 key = key.map( camelCase );
4141 } else {
4142 key = camelCase( key );
4143
4144 // If a key with the spaces exists, use it.
4145 // Otherwise, create an array by matching non-whitespace
4146 key = key in cache ?
4147 [ key ] :
4148 ( key.match( rnothtmlwhite ) || [] );
4149 }
4150
4151 i = key.length;
4152
4153 while ( i-- ) {
4154 delete cache[ key[ i ] ];
4155 }
4156 }
4157
4158 // Remove the expando if there's no more data
4159 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4160
4161 // Support: Chrome <=35 - 45
4162 // Webkit & Blink performance suffers when deleting properties
4163 // from DOM nodes, so set to undefined instead
4164 // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4165 if ( owner.nodeType ) {
4166 owner[ this.expando ] = undefined;
4167 } else {
4168 delete owner[ this.expando ];
4169 }
4170 }
4171 },
4172 hasData: function( owner ) {
4173 var cache = owner[ this.expando ];
4174 return cache !== undefined && !jQuery.isEmptyObject( cache );
4175 }
4176 };
4177 var dataPriv = new Data();
4178
4179 var dataUser = new Data();
4180
4181
4182
4183 // Implementation Summary
4184 //
4185 // 1. Enforce API surface and semantic compatibility with 1.9.x branch
4186 // 2. Improve the module's maintainability by reducing the storage
4187 // paths to a single mechanism.
4188 // 3. Use the same single mechanism to support "private" and "user" data.
4189 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4190 // 5. Avoid exposing implementation details on user objects (eg. expando properties)
4191 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
4192
4193 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4194 rmultiDash = /[A-Z]/g;
4195
4196 function getData( data ) {
4197 if ( data === "true" ) {
4198 return true;
4199 }
4200
4201 if ( data === "false" ) {
4202 return false;
4203 }
4204
4205 if ( data === "null" ) {
4206 return null;
4207 }
4208
4209 // Only convert to a number if it doesn't change the string
4210 if ( data === +data + "" ) {
4211 return +data;
4212 }
4213
4214 if ( rbrace.test( data ) ) {
4215 return JSON.parse( data );
4216 }
4217
4218 return data;
4219 }
4220
4221 function dataAttr( elem, key, data ) {
4222 var name;
4223
4224 // If nothing was found internally, try to fetch any
4225 // data from the HTML5 data-* attribute
4226 if ( data === undefined && elem.nodeType === 1 ) {
4227 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4228 data = elem.getAttribute( name );
4229
4230 if ( typeof data === "string" ) {
4231 try {
4232 data = getData( data );
4233 } catch ( e ) {}
4234
4235 // Make sure we set the data so it isn't changed later
4236 dataUser.set( elem, key, data );
4237 } else {
4238 data = undefined;
4239 }
4240 }
4241 return data;
4242 }
4243
4244 jQuery.extend( {
4245 hasData: function( elem ) {
4246 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4247 },
4248
4249 data: function( elem, name, data ) {
4250 return dataUser.access( elem, name, data );
4251 },
4252
4253 removeData: function( elem, name ) {
4254 dataUser.remove( elem, name );
4255 },
4256
4257 // TODO: Now that all calls to _data and _removeData have been replaced
4258 // with direct calls to dataPriv methods, these can be deprecated.
4259 _data: function( elem, name, data ) {
4260 return dataPriv.access( elem, name, data );
4261 },
4262
4263 _removeData: function( elem, name ) {
4264 dataPriv.remove( elem, name );
4265 }
4266 } );
4267
4268 jQuery.fn.extend( {
4269 data: function( key, value ) {
4270 var i, name, data,
4271 elem = this[ 0 ],
4272 attrs = elem && elem.attributes;
4273
4274 // Gets all values
4275 if ( key === undefined ) {
4276 if ( this.length ) {
4277 data = dataUser.get( elem );
4278
4279 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4280 i = attrs.length;
4281 while ( i-- ) {
4282
4283 // Support: IE 11 only
4284 // The attrs elements can be null (#14894)
4285 if ( attrs[ i ] ) {
4286 name = attrs[ i ].name;
4287 if ( name.indexOf( "data-" ) === 0 ) {
4288 name = camelCase( name.slice( 5 ) );
4289 dataAttr( elem, name, data[ name ] );
4290 }
4291 }
4292 }
4293 dataPriv.set( elem, "hasDataAttrs", true );
4294 }
4295 }
4296
4297 return data;
4298 }
4299
4300 // Sets multiple values
4301 if ( typeof key === "object" ) {
4302 return this.each( function() {
4303 dataUser.set( this, key );
4304 } );
4305 }
4306
4307 return access( this, function( value ) {
4308 var data;
4309
4310 // The calling jQuery object (element matches) is not empty
4311 // (and therefore has an element appears at this[ 0 ]) and the
4312 // `value` parameter was not undefined. An empty jQuery object
4313 // will result in `undefined` for elem = this[ 0 ] which will
4314 // throw an exception if an attempt to read a data cache is made.
4315 if ( elem && value === undefined ) {
4316
4317 // Attempt to get data from the cache
4318 // The key will always be camelCased in Data
4319 data = dataUser.get( elem, key );
4320 if ( data !== undefined ) {
4321 return data;
4322 }
4323
4324 // Attempt to "discover" the data in
4325 // HTML5 custom data-* attrs
4326 data = dataAttr( elem, key );
4327 if ( data !== undefined ) {
4328 return data;
4329 }
4330
4331 // We tried really hard, but the data doesn't exist.
4332 return;
4333 }
4334
4335 // Set the data...
4336 this.each( function() {
4337
4338 // We always store the camelCased key
4339 dataUser.set( this, key, value );
4340 } );
4341 }, null, value, arguments.length > 1, null, true );
4342 },
4343
4344 removeData: function( key ) {
4345 return this.each( function() {
4346 dataUser.remove( this, key );
4347 } );
4348 }
4349 } );
4350
4351
4352 jQuery.extend( {
4353 queue: function( elem, type, data ) {
4354 var queue;
4355
4356 if ( elem ) {
4357 type = ( type || "fx" ) + "queue";
4358 queue = dataPriv.get( elem, type );
4359
4360 // Speed up dequeue by getting out quickly if this is just a lookup
4361 if ( data ) {
4362 if ( !queue || Array.isArray( data ) ) {
4363 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4364 } else {
4365 queue.push( data );
4366 }
4367 }
4368 return queue || [];
4369 }
4370 },
4371
4372 dequeue: function( elem, type ) {
4373 type = type || "fx";
4374
4375 var queue = jQuery.queue( elem, type ),
4376 startLength = queue.length,
4377 fn = queue.shift(),
4378 hooks = jQuery._queueHooks( elem, type ),
4379 next = function() {
4380 jQuery.dequeue( elem, type );
4381 };
4382
4383 // If the fx queue is dequeued, always remove the progress sentinel
4384 if ( fn === "inprogress" ) {
4385 fn = queue.shift();
4386 startLength--;
4387 }
4388
4389 if ( fn ) {
4390
4391 // Add a progress sentinel to prevent the fx queue from being
4392 // automatically dequeued
4393 if ( type === "fx" ) {
4394 queue.unshift( "inprogress" );
4395 }
4396
4397 // Clear up the last queue stop function
4398 delete hooks.stop;
4399 fn.call( elem, next, hooks );
4400 }
4401
4402 if ( !startLength && hooks ) {
4403 hooks.empty.fire();
4404 }
4405 },
4406
4407 // Not public - generate a queueHooks object, or return the current one
4408 _queueHooks: function( elem, type ) {
4409 var key = type + "queueHooks";
4410 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4411 empty: jQuery.Callbacks( "once memory" ).add( function() {
4412 dataPriv.remove( elem, [ type + "queue", key ] );
4413 } )
4414 } );
4415 }
4416 } );
4417
4418 jQuery.fn.extend( {
4419 queue: function( type, data ) {
4420 var setter = 2;
4421
4422 if ( typeof type !== "string" ) {
4423 data = type;
4424 type = "fx";
4425 setter--;
4426 }
4427
4428 if ( arguments.length < setter ) {
4429 return jQuery.queue( this[ 0 ], type );
4430 }
4431
4432 return data === undefined ?
4433 this :
4434 this.each( function() {
4435 var queue = jQuery.queue( this, type, data );
4436
4437 // Ensure a hooks for this queue
4438 jQuery._queueHooks( this, type );
4439
4440 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4441 jQuery.dequeue( this, type );
4442 }
4443 } );
4444 },
4445 dequeue: function( type ) {
4446 return this.each( function() {
4447 jQuery.dequeue( this, type );
4448 } );
4449 },
4450 clearQueue: function( type ) {
4451 return this.queue( type || "fx", [] );
4452 },
4453
4454 // Get a promise resolved when queues of a certain type
4455 // are emptied (fx is the type by default)
4456 promise: function( type, obj ) {
4457 var tmp,
4458 count = 1,
4459 defer = jQuery.Deferred(),
4460 elements = this,
4461 i = this.length,
4462 resolve = function() {
4463 if ( !( --count ) ) {
4464 defer.resolveWith( elements, [ elements ] );
4465 }
4466 };
4467
4468 if ( typeof type !== "string" ) {
4469 obj = type;
4470 type = undefined;
4471 }
4472 type = type || "fx";
4473
4474 while ( i-- ) {
4475 tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4476 if ( tmp && tmp.empty ) {
4477 count++;
4478 tmp.empty.add( resolve );
4479 }
4480 }
4481 resolve();
4482 return defer.promise( obj );
4483 }
4484 } );
4485 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4486
4487 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4488
4489
4490 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4491
4492 var documentElement = document.documentElement;
4493
4494
4495
4496 var isAttached = function( elem ) {
4497 return jQuery.contains( elem.ownerDocument, elem );
4498 },
4499 composed = { composed: true };
4500
4501 // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4502 // Check attachment across shadow DOM boundaries when possible (gh-3504)
4503 // Support: iOS 10.0-10.2 only
4504 // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4505 // leading to errors. We need to check for `getRootNode`.
4506 if ( documentElement.getRootNode ) {
4507 isAttached = function( elem ) {
4508 return jQuery.contains( elem.ownerDocument, elem ) ||
4509 elem.getRootNode( composed ) === elem.ownerDocument;
4510 };
4511 }
4512 var isHiddenWithinTree = function( elem, el ) {
4513
4514 // isHiddenWithinTree might be called from jQuery#filter function;
4515 // in that case, element will be second argument
4516 elem = el || elem;
4517
4518 // Inline style trumps all
4519 return elem.style.display === "none" ||
4520 elem.style.display === "" &&
4521
4522 // Otherwise, check computed style
4523 // Support: Firefox <=43 - 45
4524 // Disconnected elements can have computed display: none, so first confirm that elem is
4525 // in the document.
4526 isAttached( elem ) &&
4527
4528 jQuery.css( elem, "display" ) === "none";
4529 };
4530
4531 var swap = function( elem, options, callback, args ) {
4532 var ret, name,
4533 old = {};
4534
4535 // Remember the old values, and insert the new ones
4536 for ( name in options ) {
4537 old[ name ] = elem.style[ name ];
4538 elem.style[ name ] = options[ name ];
4539 }
4540
4541 ret = callback.apply( elem, args || [] );
4542
4543 // Revert the old values
4544 for ( name in options ) {
4545 elem.style[ name ] = old[ name ];
4546 }
4547
4548 return ret;
4549 };
4550
4551
4552
4553
4554 function adjustCSS( elem, prop, valueParts, tween ) {
4555 var adjusted, scale,
4556 maxIterations = 20,
4557 currentValue = tween ?
4558 function() {
4559 return tween.cur();
4560 } :
4561 function() {
4562 return jQuery.css( elem, prop, "" );
4563 },
4564 initial = currentValue(),
4565 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4566
4567 // Starting value computation is required for potential unit mismatches
4568 initialInUnit = elem.nodeType &&
4569 ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4570 rcssNum.exec( jQuery.css( elem, prop ) );
4571
4572 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4573
4574 // Support: Firefox <=54
4575 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4576 initial = initial / 2;
4577
4578 // Trust units reported by jQuery.css
4579 unit = unit || initialInUnit[ 3 ];
4580
4581 // Iteratively approximate from a nonzero starting point
4582 initialInUnit = +initial || 1;
4583
4584 while ( maxIterations-- ) {
4585
4586 // Evaluate and update our best guess (doubling guesses that zero out).
4587 // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4588 jQuery.style( elem, prop, initialInUnit + unit );
4589 if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4590 maxIterations = 0;
4591 }
4592 initialInUnit = initialInUnit / scale;
4593
4594 }
4595
4596 initialInUnit = initialInUnit * 2;
4597 jQuery.style( elem, prop, initialInUnit + unit );
4598
4599 // Make sure we update the tween properties later on
4600 valueParts = valueParts || [];
4601 }
4602
4603 if ( valueParts ) {
4604 initialInUnit = +initialInUnit || +initial || 0;
4605
4606 // Apply relative offset (+=/-=) if specified
4607 adjusted = valueParts[ 1 ] ?
4608 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4609 +valueParts[ 2 ];
4610 if ( tween ) {
4611 tween.unit = unit;
4612 tween.start = initialInUnit;
4613 tween.end = adjusted;
4614 }
4615 }
4616 return adjusted;
4617 }
4618
4619
4620 var defaultDisplayMap = {};
4621
4622 function getDefaultDisplay( elem ) {
4623 var temp,
4624 doc = elem.ownerDocument,
4625 nodeName = elem.nodeName,
4626 display = defaultDisplayMap[ nodeName ];
4627
4628 if ( display ) {
4629 return display;
4630 }
4631
4632 temp = doc.body.appendChild( doc.createElement( nodeName ) );
4633 display = jQuery.css( temp, "display" );
4634
4635 temp.parentNode.removeChild( temp );
4636
4637 if ( display === "none" ) {
4638 display = "block";
4639 }
4640 defaultDisplayMap[ nodeName ] = display;
4641
4642 return display;
4643 }
4644
4645 function showHide( elements, show ) {
4646 var display, elem,
4647 values = [],
4648 index = 0,
4649 length = elements.length;
4650
4651 // Determine new display value for elements that need to change
4652 for ( ; index < length; index++ ) {
4653 elem = elements[ index ];
4654 if ( !elem.style ) {
4655 continue;
4656 }
4657
4658 display = elem.style.display;
4659 if ( show ) {
4660
4661 // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4662 // check is required in this first loop unless we have a nonempty display value (either
4663 // inline or about-to-be-restored)
4664 if ( display === "none" ) {
4665 values[ index ] = dataPriv.get( elem, "display" ) || null;
4666 if ( !values[ index ] ) {
4667 elem.style.display = "";
4668 }
4669 }
4670 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4671 values[ index ] = getDefaultDisplay( elem );
4672 }
4673 } else {
4674 if ( display !== "none" ) {
4675 values[ index ] = "none";
4676
4677 // Remember what we're overwriting
4678 dataPriv.set( elem, "display", display );
4679 }
4680 }
4681 }
4682
4683 // Set the display of the elements in a second loop to avoid constant reflow
4684 for ( index = 0; index < length; index++ ) {
4685 if ( values[ index ] != null ) {
4686 elements[ index ].style.display = values[ index ];
4687 }
4688 }
4689
4690 return elements;
4691 }
4692
4693 jQuery.fn.extend( {
4694 show: function() {
4695 return showHide( this, true );
4696 },
4697 hide: function() {
4698 return showHide( this );
4699 },
4700 toggle: function( state ) {
4701 if ( typeof state === "boolean" ) {
4702 return state ? this.show() : this.hide();
4703 }
4704
4705 return this.each( function() {
4706 if ( isHiddenWithinTree( this ) ) {
4707 jQuery( this ).show();
4708 } else {
4709 jQuery( this ).hide();
4710 }
4711 } );
4712 }
4713 } );
4714 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4715
4716 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4717
4718 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4719
4720
4721
4722 // We have to close these tags to support XHTML (#13200)
4723 var wrapMap = {
4724
4725 // Support: IE <=9 only
4726 option: [ 1, "<select multiple='multiple'>", "</select>" ],
4727
4728 // XHTML parsers do not magically insert elements in the
4729 // same way that tag soup parsers do. So we cannot shorten
4730 // this by omitting <tbody> or other required elements.
4731 thead: [ 1, "<table>", "</table>" ],
4732 col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4733 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4734 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4735
4736 _default: [ 0, "", "" ]
4737 };
4738
4739 // Support: IE <=9 only
4740 wrapMap.optgroup = wrapMap.option;
4741
4742 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4743 wrapMap.th = wrapMap.td;
4744
4745
4746 function getAll( context, tag ) {
4747
4748 // Support: IE <=9 - 11 only
4749 // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4750 var ret;
4751
4752 if ( typeof context.getElementsByTagName !== "undefined" ) {
4753 ret = context.getElementsByTagName( tag || "*" );
4754
4755 } else if ( typeof context.querySelectorAll !== "undefined" ) {
4756 ret = context.querySelectorAll( tag || "*" );
4757
4758 } else {
4759 ret = [];
4760 }
4761
4762 if ( tag === undefined || tag && nodeName( context, tag ) ) {
4763 return jQuery.merge( [ context ], ret );
4764 }
4765
4766 return ret;
4767 }
4768
4769
4770 // Mark scripts as having already been evaluated
4771 function setGlobalEval( elems, refElements ) {
4772 var i = 0,
4773 l = elems.length;
4774
4775 for ( ; i < l; i++ ) {
4776 dataPriv.set(
4777 elems[ i ],
4778 "globalEval",
4779 !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4780 );
4781 }
4782 }
4783
4784
4785 var rhtml = /<|&#?\w+;/;
4786
4787 function buildFragment( elems, context, scripts, selection, ignored ) {
4788 var elem, tmp, tag, wrap, attached, j,
4789 fragment = context.createDocumentFragment(),
4790 nodes = [],
4791 i = 0,
4792 l = elems.length;
4793
4794 for ( ; i < l; i++ ) {
4795 elem = elems[ i ];
4796
4797 if ( elem || elem === 0 ) {
4798
4799 // Add nodes directly
4800 if ( toType( elem ) === "object" ) {
4801
4802 // Support: Android <=4.0 only, PhantomJS 1 only
4803 // push.apply(_, arraylike) throws on ancient WebKit
4804 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4805
4806 // Convert non-html into a text node
4807 } else if ( !rhtml.test( elem ) ) {
4808 nodes.push( context.createTextNode( elem ) );
4809
4810 // Convert html into DOM nodes
4811 } else {
4812 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4813
4814 // Deserialize a standard representation
4815 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4816 wrap = wrapMap[ tag ] || wrapMap._default;
4817 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4818
4819 // Descend through wrappers to the right content
4820 j = wrap[ 0 ];
4821 while ( j-- ) {
4822 tmp = tmp.lastChild;
4823 }
4824
4825 // Support: Android <=4.0 only, PhantomJS 1 only
4826 // push.apply(_, arraylike) throws on ancient WebKit
4827 jQuery.merge( nodes, tmp.childNodes );
4828
4829 // Remember the top-level container
4830 tmp = fragment.firstChild;
4831
4832 // Ensure the created nodes are orphaned (#12392)
4833 tmp.textContent = "";
4834 }
4835 }
4836 }
4837
4838 // Remove wrapper from fragment
4839 fragment.textContent = "";
4840
4841 i = 0;
4842 while ( ( elem = nodes[ i++ ] ) ) {
4843
4844 // Skip elements already in the context collection (trac-4087)
4845 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4846 if ( ignored ) {
4847 ignored.push( elem );
4848 }
4849 continue;
4850 }
4851
4852 attached = isAttached( elem );
4853
4854 // Append to fragment
4855 tmp = getAll( fragment.appendChild( elem ), "script" );
4856
4857 // Preserve script evaluation history
4858 if ( attached ) {
4859 setGlobalEval( tmp );
4860 }
4861
4862 // Capture executables
4863 if ( scripts ) {
4864 j = 0;
4865 while ( ( elem = tmp[ j++ ] ) ) {
4866 if ( rscriptType.test( elem.type || "" ) ) {
4867 scripts.push( elem );
4868 }
4869 }
4870 }
4871 }
4872
4873 return fragment;
4874 }
4875
4876
4877 ( function() {
4878 var fragment = document.createDocumentFragment(),
4879 div = fragment.appendChild( document.createElement( "div" ) ),
4880 input = document.createElement( "input" );
4881
4882 // Support: Android 4.0 - 4.3 only
4883 // Check state lost if the name is set (#11217)
4884 // Support: Windows Web Apps (WWA)
4885 // `name` and `type` must use .setAttribute for WWA (#14901)
4886 input.setAttribute( "type", "radio" );
4887 input.setAttribute( "checked", "checked" );
4888 input.setAttribute( "name", "t" );
4889
4890 div.appendChild( input );
4891
4892 // Support: Android <=4.1 only
4893 // Older WebKit doesn't clone checked state correctly in fragments
4894 support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4895
4896 // Support: IE <=11 only
4897 // Make sure textarea (and checkbox) defaultValue is properly cloned
4898 div.innerHTML = "<textarea>x</textarea>";
4899 support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4900 } )();
4901
4902
4903 var
4904 rkeyEvent = /^key/,
4905 rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4906 rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4907
4908 function returnTrue() {
4909 return true;
4910 }
4911
4912 function returnFalse() {
4913 return false;
4914 }
4915
4916 // Support: IE <=9 - 11+
4917 // focus() and blur() are asynchronous, except when they are no-op.
4918 // So expect focus to be synchronous when the element is already active,
4919 // and blur to be synchronous when the element is not already active.
4920 // (focus and blur are always synchronous in other supported browsers,
4921 // this just defines when we can count on it).
4922 function expectSync( elem, type ) {
4923 return ( elem === safeActiveElement() ) === ( type === "focus" );
4924 }
4925
4926 // Support: IE <=9 only
4927 // Accessing document.activeElement can throw unexpectedly
4928 // https://bugs.jquery.com/ticket/13393
4929 function safeActiveElement() {
4930 try {
4931 return document.activeElement;
4932 } catch ( err ) { }
4933 }
4934
4935 function on( elem, types, selector, data, fn, one ) {
4936 var origFn, type;
4937
4938 // Types can be a map of types/handlers
4939 if ( typeof types === "object" ) {
4940
4941 // ( types-Object, selector, data )
4942 if ( typeof selector !== "string" ) {
4943
4944 // ( types-Object, data )
4945 data = data || selector;
4946 selector = undefined;
4947 }
4948 for ( type in types ) {
4949 on( elem, type, selector, data, types[ type ], one );
4950 }
4951 return elem;
4952 }
4953
4954 if ( data == null && fn == null ) {
4955
4956 // ( types, fn )
4957 fn = selector;
4958 data = selector = undefined;
4959 } else if ( fn == null ) {
4960 if ( typeof selector === "string" ) {
4961
4962 // ( types, selector, fn )
4963 fn = data;
4964 data = undefined;
4965 } else {
4966
4967 // ( types, data, fn )
4968 fn = data;
4969 data = selector;
4970 selector = undefined;
4971 }
4972 }
4973 if ( fn === false ) {
4974 fn = returnFalse;
4975 } else if ( !fn ) {
4976 return elem;
4977 }
4978
4979 if ( one === 1 ) {
4980 origFn = fn;
4981 fn = function( event ) {
4982
4983 // Can use an empty set, since event contains the info
4984 jQuery().off( event );
4985 return origFn.apply( this, arguments );
4986 };
4987
4988 // Use same guid so caller can remove using origFn
4989 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4990 }
4991 return elem.each( function() {
4992 jQuery.event.add( this, types, fn, data, selector );
4993 } );
4994 }
4995
4996 /*
4997 * Helper functions for managing events -- not part of the public interface.
4998 * Props to Dean Edwards' addEvent library for many of the ideas.
4999 */
5000 jQuery.event = {
5001
5002 global: {},
5003
5004 add: function( elem, types, handler, data, selector ) {
5005
5006 var handleObjIn, eventHandle, tmp,
5007 events, t, handleObj,
5008 special, handlers, type, namespaces, origType,
5009 elemData = dataPriv.get( elem );
5010
5011 // Don't attach events to noData or text/comment nodes (but allow plain objects)
5012 if ( !elemData ) {
5013 return;
5014 }
5015
5016 // Caller can pass in an object of custom data in lieu of the handler
5017 if ( handler.handler ) {
5018 handleObjIn = handler;
5019 handler = handleObjIn.handler;
5020 selector = handleObjIn.selector;
5021 }
5022
5023 // Ensure that invalid selectors throw exceptions at attach time
5024 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
5025 if ( selector ) {
5026 jQuery.find.matchesSelector( documentElement, selector );
5027 }
5028
5029 // Make sure that the handler has a unique ID, used to find/remove it later
5030 if ( !handler.guid ) {
5031 handler.guid = jQuery.guid++;
5032 }
5033
5034 // Init the element's event structure and main handler, if this is the first
5035 if ( !( events = elemData.events ) ) {
5036 events = elemData.events = {};
5037 }
5038 if ( !( eventHandle = elemData.handle ) ) {
5039 eventHandle = elemData.handle = function( e ) {
5040
5041 // Discard the second event of a jQuery.event.trigger() and
5042 // when an event is called after a page has unloaded
5043 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5044 jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5045 };
5046 }
5047
5048 // Handle multiple events separated by a space
5049 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5050 t = types.length;
5051 while ( t-- ) {
5052 tmp = rtypenamespace.exec( types[ t ] ) || [];
5053 type = origType = tmp[ 1 ];
5054 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5055
5056 // There *must* be a type, no attaching namespace-only handlers
5057 if ( !type ) {
5058 continue;
5059 }
5060
5061 // If event changes its type, use the special event handlers for the changed type
5062 special = jQuery.event.special[ type ] || {};
5063
5064 // If selector defined, determine special event api type, otherwise given type
5065 type = ( selector ? special.delegateType : special.bindType ) || type;
5066
5067 // Update special based on newly reset type
5068 special = jQuery.event.special[ type ] || {};
5069
5070 // handleObj is passed to all event handlers
5071 handleObj = jQuery.extend( {
5072 type: type,
5073 origType: origType,
5074 data: data,
5075 handler: handler,
5076 guid: handler.guid,
5077 selector: selector,
5078 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5079 namespace: namespaces.join( "." )
5080 }, handleObjIn );
5081
5082 // Init the event handler queue if we're the first
5083 if ( !( handlers = events[ type ] ) ) {
5084 handlers = events[ type ] = [];
5085 handlers.delegateCount = 0;
5086
5087 // Only use addEventListener if the special events handler returns false
5088 if ( !special.setup ||
5089 special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5090
5091 if ( elem.addEventListener ) {
5092 elem.addEventListener( type, eventHandle );
5093 }
5094 }
5095 }
5096
5097 if ( special.add ) {
5098 special.add.call( elem, handleObj );
5099
5100 if ( !handleObj.handler.guid ) {
5101 handleObj.handler.guid = handler.guid;
5102 }
5103 }
5104
5105 // Add to the element's handler list, delegates in front
5106 if ( selector ) {
5107 handlers.splice( handlers.delegateCount++, 0, handleObj );
5108 } else {
5109 handlers.push( handleObj );
5110 }
5111
5112 // Keep track of which events have ever been used, for event optimization
5113 jQuery.event.global[ type ] = true;
5114 }
5115
5116 },
5117
5118 // Detach an event or set of events from an element
5119 remove: function( elem, types, handler, selector, mappedTypes ) {
5120
5121 var j, origCount, tmp,
5122 events, t, handleObj,
5123 special, handlers, type, namespaces, origType,
5124 elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5125
5126 if ( !elemData || !( events = elemData.events ) ) {
5127 return;
5128 }
5129
5130 // Once for each type.namespace in types; type may be omitted
5131 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5132 t = types.length;
5133 while ( t-- ) {
5134 tmp = rtypenamespace.exec( types[ t ] ) || [];
5135 type = origType = tmp[ 1 ];
5136 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5137
5138 // Unbind all events (on this namespace, if provided) for the element
5139 if ( !type ) {
5140 for ( type in events ) {
5141 jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5142 }
5143 continue;
5144 }
5145
5146 special = jQuery.event.special[ type ] || {};
5147 type = ( selector ? special.delegateType : special.bindType ) || type;
5148 handlers = events[ type ] || [];
5149 tmp = tmp[ 2 ] &&
5150 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5151
5152 // Remove matching events
5153 origCount = j = handlers.length;
5154 while ( j-- ) {
5155 handleObj = handlers[ j ];
5156
5157 if ( ( mappedTypes || origType === handleObj.origType ) &&
5158 ( !handler || handler.guid === handleObj.guid ) &&
5159 ( !tmp || tmp.test( handleObj.namespace ) ) &&
5160 ( !selector || selector === handleObj.selector ||
5161 selector === "**" && handleObj.selector ) ) {
5162 handlers.splice( j, 1 );
5163
5164 if ( handleObj.selector ) {
5165 handlers.delegateCount--;
5166 }
5167 if ( special.remove ) {
5168 special.remove.call( elem, handleObj );
5169 }
5170 }
5171 }
5172
5173 // Remove generic event handler if we removed something and no more handlers exist
5174 // (avoids potential for endless recursion during removal of special event handlers)
5175 if ( origCount && !handlers.length ) {
5176 if ( !special.teardown ||
5177 special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5178
5179 jQuery.removeEvent( elem, type, elemData.handle );
5180 }
5181
5182 delete events[ type ];
5183 }
5184 }
5185
5186 // Remove data and the expando if it's no longer used
5187 if ( jQuery.isEmptyObject( events ) ) {
5188 dataPriv.remove( elem, "handle events" );
5189 }
5190 },
5191
5192 dispatch: function( nativeEvent ) {
5193
5194 // Make a writable jQuery.Event from the native event object
5195 var event = jQuery.event.fix( nativeEvent );
5196
5197 var i, j, ret, matched, handleObj, handlerQueue,
5198 args = new Array( arguments.length ),
5199 handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5200 special = jQuery.event.special[ event.type ] || {};
5201
5202 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5203 args[ 0 ] = event;
5204
5205 for ( i = 1; i < arguments.length; i++ ) {
5206 args[ i ] = arguments[ i ];
5207 }
5208
5209 event.delegateTarget = this;
5210
5211 // Call the preDispatch hook for the mapped type, and let it bail if desired
5212 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5213 return;
5214 }
5215
5216 // Determine handlers
5217 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5218
5219 // Run delegates first; they may want to stop propagation beneath us
5220 i = 0;
5221 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5222 event.currentTarget = matched.elem;
5223
5224 j = 0;
5225 while ( ( handleObj = matched.handlers[ j++ ] ) &&
5226 !event.isImmediatePropagationStopped() ) {
5227
5228 // If the event is namespaced, then each handler is only invoked if it is
5229 // specially universal or its namespaces are a superset of the event's.
5230 if ( !event.rnamespace || handleObj.namespace === false ||
5231 event.rnamespace.test( handleObj.namespace ) ) {
5232
5233 event.handleObj = handleObj;
5234 event.data = handleObj.data;
5235
5236 ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5237 handleObj.handler ).apply( matched.elem, args );
5238
5239 if ( ret !== undefined ) {
5240 if ( ( event.result = ret ) === false ) {
5241 event.preventDefault();
5242 event.stopPropagation();
5243 }
5244 }
5245 }
5246 }
5247 }
5248
5249 // Call the postDispatch hook for the mapped type
5250 if ( special.postDispatch ) {
5251 special.postDispatch.call( this, event );
5252 }
5253
5254 return event.result;
5255 },
5256
5257 handlers: function( event, handlers ) {
5258 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5259 handlerQueue = [],
5260 delegateCount = handlers.delegateCount,
5261 cur = event.target;
5262
5263 // Find delegate handlers
5264 if ( delegateCount &&
5265
5266 // Support: IE <=9
5267 // Black-hole SVG <use> instance trees (trac-13180)
5268 cur.nodeType &&
5269
5270 // Support: Firefox <=42
5271 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5272 // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5273 // Support: IE 11 only
5274 // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5275 !( event.type === "click" && event.button >= 1 ) ) {
5276
5277 for ( ; cur !== this; cur = cur.parentNode || this ) {
5278
5279 // Don't check non-elements (#13208)
5280 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5281 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5282 matchedHandlers = [];
5283 matchedSelectors = {};
5284 for ( i = 0; i < delegateCount; i++ ) {
5285 handleObj = handlers[ i ];
5286
5287 // Don't conflict with Object.prototype properties (#13203)
5288 sel = handleObj.selector + " ";
5289
5290 if ( matchedSelectors[ sel ] === undefined ) {
5291 matchedSelectors[ sel ] = handleObj.needsContext ?
5292 jQuery( sel, this ).index( cur ) > -1 :
5293 jQuery.find( sel, this, null, [ cur ] ).length;
5294 }
5295 if ( matchedSelectors[ sel ] ) {
5296 matchedHandlers.push( handleObj );
5297 }
5298 }
5299 if ( matchedHandlers.length ) {
5300 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5301 }
5302 }
5303 }
5304 }
5305
5306 // Add the remaining (directly-bound) handlers
5307 cur = this;
5308 if ( delegateCount < handlers.length ) {
5309 handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5310 }
5311
5312 return handlerQueue;
5313 },
5314
5315 addProp: function( name, hook ) {
5316 Object.defineProperty( jQuery.Event.prototype, name, {
5317 enumerable: true,
5318 configurable: true,
5319
5320 get: isFunction( hook ) ?
5321 function() {
5322 if ( this.originalEvent ) {
5323 return hook( this.originalEvent );
5324 }
5325 } :
5326 function() {
5327 if ( this.originalEvent ) {
5328 return this.originalEvent[ name ];
5329 }
5330 },
5331
5332 set: function( value ) {
5333 Object.defineProperty( this, name, {
5334 enumerable: true,
5335 configurable: true,
5336 writable: true,
5337 value: value
5338 } );
5339 }
5340 } );
5341 },
5342
5343 fix: function( originalEvent ) {
5344 return originalEvent[ jQuery.expando ] ?
5345 originalEvent :
5346 new jQuery.Event( originalEvent );
5347 },
5348
5349 special: {
5350 load: {
5351
5352 // Prevent triggered image.load events from bubbling to window.load
5353 noBubble: true
5354 },
5355 click: {
5356
5357 // Utilize native event to ensure correct state for checkable inputs
5358 setup: function( data ) {
5359
5360 // For mutual compressibility with _default, replace `this` access with a local var.
5361 // `|| data` is dead code meant only to preserve the variable through minification.
5362 var el = this || data;
5363
5364 // Claim the first handler
5365 if ( rcheckableType.test( el.type ) &&
5366 el.click && nodeName( el, "input" ) ) {
5367
5368 // dataPriv.set( el, "click", ... )
5369 leverageNative( el, "click", returnTrue );
5370 }
5371
5372 // Return false to allow normal processing in the caller
5373 return false;
5374 },
5375 trigger: function( data ) {
5376
5377 // For mutual compressibility with _default, replace `this` access with a local var.
5378 // `|| data` is dead code meant only to preserve the variable through minification.
5379 var el = this || data;
5380
5381 // Force setup before triggering a click
5382 if ( rcheckableType.test( el.type ) &&
5383 el.click && nodeName( el, "input" ) ) {
5384
5385 leverageNative( el, "click" );
5386 }
5387
5388 // Return non-false to allow normal event-path propagation
5389 return true;
5390 },
5391
5392 // For cross-browser consistency, suppress native .click() on links
5393 // Also prevent it if we're currently inside a leveraged native-event stack
5394 _default: function( event ) {
5395 var target = event.target;
5396 return rcheckableType.test( target.type ) &&
5397 target.click && nodeName( target, "input" ) &&
5398 dataPriv.get( target, "click" ) ||
5399 nodeName( target, "a" );
5400 }
5401 },
5402
5403 beforeunload: {
5404 postDispatch: function( event ) {
5405
5406 // Support: Firefox 20+
5407 // Firefox doesn't alert if the returnValue field is not set.
5408 if ( event.result !== undefined && event.originalEvent ) {
5409 event.originalEvent.returnValue = event.result;
5410 }
5411 }
5412 }
5413 }
5414 };
5415
5416 // Ensure the presence of an event listener that handles manually-triggered
5417 // synthetic events by interrupting progress until reinvoked in response to
5418 // *native* events that it fires directly, ensuring that state changes have
5419 // already occurred before other listeners are invoked.
5420 function leverageNative( el, type, expectSync ) {
5421
5422 // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5423 if ( !expectSync ) {
5424 if ( dataPriv.get( el, type ) === undefined ) {
5425 jQuery.event.add( el, type, returnTrue );
5426 }
5427 return;
5428 }
5429
5430 // Register the controller as a special universal handler for all event namespaces
5431 dataPriv.set( el, type, false );
5432 jQuery.event.add( el, type, {
5433 namespace: false,
5434 handler: function( event ) {
5435 var notAsync, result,
5436 saved = dataPriv.get( this, type );
5437
5438 if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5439
5440 // Interrupt processing of the outer synthetic .trigger()ed event
5441 // Saved data should be false in such cases, but might be a leftover capture object
5442 // from an async native handler (gh-4350)
5443 if ( !saved.length ) {
5444
5445 // Store arguments for use when handling the inner native event
5446 // There will always be at least one argument (an event object), so this array
5447 // will not be confused with a leftover capture object.
5448 saved = slice.call( arguments );
5449 dataPriv.set( this, type, saved );
5450
5451 // Trigger the native event and capture its result
5452 // Support: IE <=9 - 11+
5453 // focus() and blur() are asynchronous
5454 notAsync = expectSync( this, type );
5455 this[ type ]();
5456 result = dataPriv.get( this, type );
5457 if ( saved !== result || notAsync ) {
5458 dataPriv.set( this, type, false );
5459 } else {
5460 result = {};
5461 }
5462 if ( saved !== result ) {
5463
5464 // Cancel the outer synthetic event
5465 event.stopImmediatePropagation();
5466 event.preventDefault();
5467 return result.value;
5468 }
5469
5470 // If this is an inner synthetic event for an event with a bubbling surrogate
5471 // (focus or blur), assume that the surrogate already propagated from triggering the
5472 // native event and prevent that from happening again here.
5473 // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5474 // bubbling surrogate propagates *after* the non-bubbling base), but that seems
5475 // less bad than duplication.
5476 } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5477 event.stopPropagation();
5478 }
5479
5480 // If this is a native event triggered above, everything is now in order
5481 // Fire an inner synthetic event with the original arguments
5482 } else if ( saved.length ) {
5483
5484 // ...and capture the result
5485 dataPriv.set( this, type, {
5486 value: jQuery.event.trigger(
5487
5488 // Support: IE <=9 - 11+
5489 // Extend with the prototype to reset the above stopImmediatePropagation()
5490 jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5491 saved.slice( 1 ),
5492 this
5493 )
5494 } );
5495
5496 // Abort handling of the native event
5497 event.stopImmediatePropagation();
5498 }
5499 }
5500 } );
5501 }
5502
5503 jQuery.removeEvent = function( elem, type, handle ) {
5504
5505 // This "if" is needed for plain objects
5506 if ( elem.removeEventListener ) {
5507 elem.removeEventListener( type, handle );
5508 }
5509 };
5510
5511 jQuery.Event = function( src, props ) {
5512
5513 // Allow instantiation without the 'new' keyword
5514 if ( !( this instanceof jQuery.Event ) ) {
5515 return new jQuery.Event( src, props );
5516 }
5517
5518 // Event object
5519 if ( src && src.type ) {
5520 this.originalEvent = src;
5521 this.type = src.type;
5522
5523 // Events bubbling up the document may have been marked as prevented
5524 // by a handler lower down the tree; reflect the correct value.
5525 this.isDefaultPrevented = src.defaultPrevented ||
5526 src.defaultPrevented === undefined &&
5527
5528 // Support: Android <=2.3 only
5529 src.returnValue === false ?
5530 returnTrue :
5531 returnFalse;
5532
5533 // Create target properties
5534 // Support: Safari <=6 - 7 only
5535 // Target should not be a text node (#504, #13143)
5536 this.target = ( src.target && src.target.nodeType === 3 ) ?
5537 src.target.parentNode :
5538 src.target;
5539
5540 this.currentTarget = src.currentTarget;
5541 this.relatedTarget = src.relatedTarget;
5542
5543 // Event type
5544 } else {
5545 this.type = src;
5546 }
5547
5548 // Put explicitly provided properties onto the event object
5549 if ( props ) {
5550 jQuery.extend( this, props );
5551 }
5552
5553 // Create a timestamp if incoming event doesn't have one
5554 this.timeStamp = src && src.timeStamp || Date.now();
5555
5556 // Mark it as fixed
5557 this[ jQuery.expando ] = true;
5558 };
5559
5560 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5561 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5562 jQuery.Event.prototype = {
5563 constructor: jQuery.Event,
5564 isDefaultPrevented: returnFalse,
5565 isPropagationStopped: returnFalse,
5566 isImmediatePropagationStopped: returnFalse,
5567 isSimulated: false,
5568
5569 preventDefault: function() {
5570 var e = this.originalEvent;
5571
5572 this.isDefaultPrevented = returnTrue;
5573
5574 if ( e && !this.isSimulated ) {
5575 e.preventDefault();
5576 }
5577 },
5578 stopPropagation: function() {
5579 var e = this.originalEvent;
5580
5581 this.isPropagationStopped = returnTrue;
5582
5583 if ( e && !this.isSimulated ) {
5584 e.stopPropagation();
5585 }
5586 },
5587 stopImmediatePropagation: function() {
5588 var e = this.originalEvent;
5589
5590 this.isImmediatePropagationStopped = returnTrue;
5591
5592 if ( e && !this.isSimulated ) {
5593 e.stopImmediatePropagation();
5594 }
5595
5596 this.stopPropagation();
5597 }
5598 };
5599
5600 // Includes all common event props including KeyEvent and MouseEvent specific props
5601 jQuery.each( {
5602 altKey: true,
5603 bubbles: true,
5604 cancelable: true,
5605 changedTouches: true,
5606 ctrlKey: true,
5607 detail: true,
5608 eventPhase: true,
5609 metaKey: true,
5610 pageX: true,
5611 pageY: true,
5612 shiftKey: true,
5613 view: true,
5614 "char": true,
5615 code: true,
5616 charCode: true,
5617 key: true,
5618 keyCode: true,
5619 button: true,
5620 buttons: true,
5621 clientX: true,
5622 clientY: true,
5623 offsetX: true,
5624 offsetY: true,
5625 pointerId: true,
5626 pointerType: true,
5627 screenX: true,
5628 screenY: true,
5629 targetTouches: true,
5630 toElement: true,
5631 touches: true,
5632
5633 which: function( event ) {
5634 var button = event.button;
5635
5636 // Add which for key events
5637 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5638 return event.charCode != null ? event.charCode : event.keyCode;
5639 }
5640
5641 // Add which for click: 1 === left; 2 === middle; 3 === right
5642 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5643 if ( button & 1 ) {
5644 return 1;
5645 }
5646
5647 if ( button & 2 ) {
5648 return 3;
5649 }
5650
5651 if ( button & 4 ) {
5652 return 2;
5653 }
5654
5655 return 0;
5656 }
5657
5658 return event.which;
5659 }
5660 }, jQuery.event.addProp );
5661
5662 jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5663 jQuery.event.special[ type ] = {
5664
5665 // Utilize native event if possible so blur/focus sequence is correct
5666 setup: function() {
5667
5668 // Claim the first handler
5669 // dataPriv.set( this, "focus", ... )
5670 // dataPriv.set( this, "blur", ... )
5671 leverageNative( this, type, expectSync );
5672
5673 // Return false to allow normal processing in the caller
5674 return false;
5675 },
5676 trigger: function() {
5677
5678 // Force setup before trigger
5679 leverageNative( this, type );
5680
5681 // Return non-false to allow normal event-path propagation
5682 return true;
5683 },
5684
5685 delegateType: delegateType
5686 };
5687 } );
5688
5689 // Create mouseenter/leave events using mouseover/out and event-time checks
5690 // so that event delegation works in jQuery.
5691 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5692 //
5693 // Support: Safari 7 only
5694 // Safari sends mouseenter too often; see:
5695 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5696 // for the description of the bug (it existed in older Chrome versions as well).
5697 jQuery.each( {
5698 mouseenter: "mouseover",
5699 mouseleave: "mouseout",
5700 pointerenter: "pointerover",
5701 pointerleave: "pointerout"
5702 }, function( orig, fix ) {
5703 jQuery.event.special[ orig ] = {
5704 delegateType: fix,
5705 bindType: fix,
5706
5707 handle: function( event ) {
5708 var ret,
5709 target = this,
5710 related = event.relatedTarget,
5711 handleObj = event.handleObj;
5712
5713 // For mouseenter/leave call the handler if related is outside the target.
5714 // NB: No relatedTarget if the mouse left/entered the browser window
5715 if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5716 event.type = handleObj.origType;
5717 ret = handleObj.handler.apply( this, arguments );
5718 event.type = fix;
5719 }
5720 return ret;
5721 }
5722 };
5723 } );
5724
5725 jQuery.fn.extend( {
5726
5727 on: function( types, selector, data, fn ) {
5728 return on( this, types, selector, data, fn );
5729 },
5730 one: function( types, selector, data, fn ) {
5731 return on( this, types, selector, data, fn, 1 );
5732 },
5733 off: function( types, selector, fn ) {
5734 var handleObj, type;
5735 if ( types && types.preventDefault && types.handleObj ) {
5736
5737 // ( event ) dispatched jQuery.Event
5738 handleObj = types.handleObj;
5739 jQuery( types.delegateTarget ).off(
5740 handleObj.namespace ?
5741 handleObj.origType + "." + handleObj.namespace :
5742 handleObj.origType,
5743 handleObj.selector,
5744 handleObj.handler
5745 );
5746 return this;
5747 }
5748 if ( typeof types === "object" ) {
5749
5750 // ( types-object [, selector] )
5751 for ( type in types ) {
5752 this.off( type, selector, types[ type ] );
5753 }
5754 return this;
5755 }
5756 if ( selector === false || typeof selector === "function" ) {
5757
5758 // ( types [, fn] )
5759 fn = selector;
5760 selector = undefined;
5761 }
5762 if ( fn === false ) {
5763 fn = returnFalse;
5764 }
5765 return this.each( function() {
5766 jQuery.event.remove( this, types, fn, selector );
5767 } );
5768 }
5769 } );
5770
5771
5772 var
5773
5774 /* eslint-disable max-len */
5775
5776 // See https://github.com/eslint/eslint/issues/3229
5777 rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5778
5779 /* eslint-enable */
5780
5781 // Support: IE <=10 - 11, Edge 12 - 13 only
5782 // In IE/Edge using regex groups here causes severe slowdowns.
5783 // See https://connect.microsoft.com/IE/feedback/details/1736512/
5784 rnoInnerhtml = /<script|<style|<link/i,
5785
5786 // checked="checked" or checked
5787 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5788 rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5789
5790 // Prefer a tbody over its parent table for containing new rows
5791 function manipulationTarget( elem, content ) {
5792 if ( nodeName( elem, "table" ) &&
5793 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5794
5795 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5796 }
5797
5798 return elem;
5799 }
5800
5801 // Replace/restore the type attribute of script elements for safe DOM manipulation
5802 function disableScript( elem ) {
5803 elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5804 return elem;
5805 }
5806 function restoreScript( elem ) {
5807 if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5808 elem.type = elem.type.slice( 5 );
5809 } else {
5810 elem.removeAttribute( "type" );
5811 }
5812
5813 return elem;
5814 }
5815
5816 function cloneCopyEvent( src, dest ) {
5817 var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5818
5819 if ( dest.nodeType !== 1 ) {
5820 return;
5821 }
5822
5823 // 1. Copy private data: events, handlers, etc.
5824 if ( dataPriv.hasData( src ) ) {
5825 pdataOld = dataPriv.access( src );
5826 pdataCur = dataPriv.set( dest, pdataOld );
5827 events = pdataOld.events;
5828
5829 if ( events ) {
5830 delete pdataCur.handle;
5831 pdataCur.events = {};
5832
5833 for ( type in events ) {
5834 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5835 jQuery.event.add( dest, type, events[ type ][ i ] );
5836 }
5837 }
5838 }
5839 }
5840
5841 // 2. Copy user data
5842 if ( dataUser.hasData( src ) ) {
5843 udataOld = dataUser.access( src );
5844 udataCur = jQuery.extend( {}, udataOld );
5845
5846 dataUser.set( dest, udataCur );
5847 }
5848 }
5849
5850 // Fix IE bugs, see support tests
5851 function fixInput( src, dest ) {
5852 var nodeName = dest.nodeName.toLowerCase();
5853
5854 // Fails to persist the checked state of a cloned checkbox or radio button.
5855 if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5856 dest.checked = src.checked;
5857
5858 // Fails to return the selected option to the default selected state when cloning options
5859 } else if ( nodeName === "input" || nodeName === "textarea" ) {
5860 dest.defaultValue = src.defaultValue;
5861 }
5862 }
5863
5864 function domManip( collection, args, callback, ignored ) {
5865
5866 // Flatten any nested arrays
5867 args = concat.apply( [], args );
5868
5869 var fragment, first, scripts, hasScripts, node, doc,
5870 i = 0,
5871 l = collection.length,
5872 iNoClone = l - 1,
5873 value = args[ 0 ],
5874 valueIsFunction = isFunction( value );
5875
5876 // We can't cloneNode fragments that contain checked, in WebKit
5877 if ( valueIsFunction ||
5878 ( l > 1 && typeof value === "string" &&
5879 !support.checkClone && rchecked.test( value ) ) ) {
5880 return collection.each( function( index ) {
5881 var self = collection.eq( index );
5882 if ( valueIsFunction ) {
5883 args[ 0 ] = value.call( this, index, self.html() );
5884 }
5885 domManip( self, args, callback, ignored );
5886 } );
5887 }
5888
5889 if ( l ) {
5890 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5891 first = fragment.firstChild;
5892
5893 if ( fragment.childNodes.length === 1 ) {
5894 fragment = first;
5895 }
5896
5897 // Require either new content or an interest in ignored elements to invoke the callback
5898 if ( first || ignored ) {
5899 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5900 hasScripts = scripts.length;
5901
5902 // Use the original fragment for the last item
5903 // instead of the first because it can end up
5904 // being emptied incorrectly in certain situations (#8070).
5905 for ( ; i < l; i++ ) {
5906 node = fragment;
5907
5908 if ( i !== iNoClone ) {
5909 node = jQuery.clone( node, true, true );
5910
5911 // Keep references to cloned scripts for later restoration
5912 if ( hasScripts ) {
5913
5914 // Support: Android <=4.0 only, PhantomJS 1 only
5915 // push.apply(_, arraylike) throws on ancient WebKit
5916 jQuery.merge( scripts, getAll( node, "script" ) );
5917 }
5918 }
5919
5920 callback.call( collection[ i ], node, i );
5921 }
5922
5923 if ( hasScripts ) {
5924 doc = scripts[ scripts.length - 1 ].ownerDocument;
5925
5926 // Reenable scripts
5927 jQuery.map( scripts, restoreScript );
5928
5929 // Evaluate executable scripts on first document insertion
5930 for ( i = 0; i < hasScripts; i++ ) {
5931 node = scripts[ i ];
5932 if ( rscriptType.test( node.type || "" ) &&
5933 !dataPriv.access( node, "globalEval" ) &&
5934 jQuery.contains( doc, node ) ) {
5935
5936 if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) {
5937
5938 // Optional AJAX dependency, but won't run scripts if not present
5939 if ( jQuery._evalUrl && !node.noModule ) {
5940 jQuery._evalUrl( node.src, {
5941 nonce: node.nonce || node.getAttribute( "nonce" )
5942 } );
5943 }
5944 } else {
5945 DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
5946 }
5947 }
5948 }
5949 }
5950 }
5951 }
5952
5953 return collection;
5954 }
5955
5956 function remove( elem, selector, keepData ) {
5957 var node,
5958 nodes = selector ? jQuery.filter( selector, elem ) : elem,
5959 i = 0;
5960
5961 for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5962 if ( !keepData && node.nodeType === 1 ) {
5963 jQuery.cleanData( getAll( node ) );
5964 }
5965
5966 if ( node.parentNode ) {
5967 if ( keepData && isAttached( node ) ) {
5968 setGlobalEval( getAll( node, "script" ) );
5969 }
5970 node.parentNode.removeChild( node );
5971 }
5972 }
5973
5974 return elem;
5975 }
5976
5977 jQuery.extend( {
5978 htmlPrefilter: function( html ) {
5979 return html.replace( rxhtmlTag, "<$1></$2>" );
5980 },
5981
5982 clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5983 var i, l, srcElements, destElements,
5984 clone = elem.cloneNode( true ),
5985 inPage = isAttached( elem );
5986
5987 // Fix IE cloning issues
5988 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5989 !jQuery.isXMLDoc( elem ) ) {
5990
5991 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5992 destElements = getAll( clone );
5993 srcElements = getAll( elem );
5994
5995 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5996 fixInput( srcElements[ i ], destElements[ i ] );
5997 }
5998 }
5999
6000 // Copy the events from the original to the clone
6001 if ( dataAndEvents ) {
6002 if ( deepDataAndEvents ) {
6003 srcElements = srcElements || getAll( elem );
6004 destElements = destElements || getAll( clone );
6005
6006 for ( i = 0, l = srcElements.length; i < l; i++ ) {
6007 cloneCopyEvent( srcElements[ i ], destElements[ i ] );
6008 }
6009 } else {
6010 cloneCopyEvent( elem, clone );
6011 }
6012 }
6013
6014 // Preserve script evaluation history
6015 destElements = getAll( clone, "script" );
6016 if ( destElements.length > 0 ) {
6017 setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6018 }
6019
6020 // Return the cloned set
6021 return clone;
6022 },
6023
6024 cleanData: function( elems ) {
6025 var data, elem, type,
6026 special = jQuery.event.special,
6027 i = 0;
6028
6029 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
6030 if ( acceptData( elem ) ) {
6031 if ( ( data = elem[ dataPriv.expando ] ) ) {
6032 if ( data.events ) {
6033 for ( type in data.events ) {
6034 if ( special[ type ] ) {
6035 jQuery.event.remove( elem, type );
6036
6037 // This is a shortcut to avoid jQuery.event.remove's overhead
6038 } else {
6039 jQuery.removeEvent( elem, type, data.handle );
6040 }
6041 }
6042 }
6043
6044 // Support: Chrome <=35 - 45+
6045 // Assign undefined instead of using delete, see Data#remove
6046 elem[ dataPriv.expando ] = undefined;
6047 }
6048 if ( elem[ dataUser.expando ] ) {
6049
6050 // Support: Chrome <=35 - 45+
6051 // Assign undefined instead of using delete, see Data#remove
6052 elem[ dataUser.expando ] = undefined;
6053 }
6054 }
6055 }
6056 }
6057 } );
6058
6059 jQuery.fn.extend( {
6060 detach: function( selector ) {
6061 return remove( this, selector, true );
6062 },
6063
6064 remove: function( selector ) {
6065 return remove( this, selector );
6066 },
6067
6068 text: function( value ) {
6069 return access( this, function( value ) {
6070 return value === undefined ?
6071 jQuery.text( this ) :
6072 this.empty().each( function() {
6073 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6074 this.textContent = value;
6075 }
6076 } );
6077 }, null, value, arguments.length );
6078 },
6079
6080 append: function() {
6081 return domManip( this, arguments, function( elem ) {
6082 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6083 var target = manipulationTarget( this, elem );
6084 target.appendChild( elem );
6085 }
6086 } );
6087 },
6088
6089 prepend: function() {
6090 return domManip( this, arguments, function( elem ) {
6091 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6092 var target = manipulationTarget( this, elem );
6093 target.insertBefore( elem, target.firstChild );
6094 }
6095 } );
6096 },
6097
6098 before: function() {
6099 return domManip( this, arguments, function( elem ) {
6100 if ( this.parentNode ) {
6101 this.parentNode.insertBefore( elem, this );
6102 }
6103 } );
6104 },
6105
6106 after: function() {
6107 return domManip( this, arguments, function( elem ) {
6108 if ( this.parentNode ) {
6109 this.parentNode.insertBefore( elem, this.nextSibling );
6110 }
6111 } );
6112 },
6113
6114 empty: function() {
6115 var elem,
6116 i = 0;
6117
6118 for ( ; ( elem = this[ i ] ) != null; i++ ) {
6119 if ( elem.nodeType === 1 ) {
6120
6121 // Prevent memory leaks
6122 jQuery.cleanData( getAll( elem, false ) );
6123
6124 // Remove any remaining nodes
6125 elem.textContent = "";
6126 }
6127 }
6128
6129 return this;
6130 },
6131
6132 clone: function( dataAndEvents, deepDataAndEvents ) {
6133 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6134 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6135
6136 return this.map( function() {
6137 return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6138 } );
6139 },
6140
6141 html: function( value ) {
6142 return access( this, function( value ) {
6143 var elem = this[ 0 ] || {},
6144 i = 0,
6145 l = this.length;
6146
6147 if ( value === undefined && elem.nodeType === 1 ) {
6148 return elem.innerHTML;
6149 }
6150
6151 // See if we can take a shortcut and just use innerHTML
6152 if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6153 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
6154
6155 value = jQuery.htmlPrefilter( value );
6156
6157 try {
6158 for ( ; i < l; i++ ) {
6159 elem = this[ i ] || {};
6160
6161 // Remove element nodes and prevent memory leaks
6162 if ( elem.nodeType === 1 ) {
6163 jQuery.cleanData( getAll( elem, false ) );
6164 elem.innerHTML = value;
6165 }
6166 }
6167
6168 elem = 0;
6169
6170 // If using innerHTML throws an exception, use the fallback method
6171 } catch ( e ) {}
6172 }
6173
6174 if ( elem ) {
6175 this.empty().append( value );
6176 }
6177 }, null, value, arguments.length );
6178 },
6179
6180 replaceWith: function() {
6181 var ignored = [];
6182
6183 // Make the changes, replacing each non-ignored context element with the new content
6184 return domManip( this, arguments, function( elem ) {
6185 var parent = this.parentNode;
6186
6187 if ( jQuery.inArray( this, ignored ) < 0 ) {
6188 jQuery.cleanData( getAll( this ) );
6189 if ( parent ) {
6190 parent.replaceChild( elem, this );
6191 }
6192 }
6193
6194 // Force callback invocation
6195 }, ignored );
6196 }
6197 } );
6198
6199 jQuery.each( {
6200 appendTo: "append",
6201 prependTo: "prepend",
6202 insertBefore: "before",
6203 insertAfter: "after",
6204 replaceAll: "replaceWith"
6205 }, function( name, original ) {
6206 jQuery.fn[ name ] = function( selector ) {
6207 var elems,
6208 ret = [],
6209 insert = jQuery( selector ),
6210 last = insert.length - 1,
6211 i = 0;
6212
6213 for ( ; i <= last; i++ ) {
6214 elems = i === last ? this : this.clone( true );
6215 jQuery( insert[ i ] )[ original ]( elems );
6216
6217 // Support: Android <=4.0 only, PhantomJS 1 only
6218 // .get() because push.apply(_, arraylike) throws on ancient WebKit
6219 push.apply( ret, elems.get() );
6220 }
6221
6222 return this.pushStack( ret );
6223 };
6224 } );
6225 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6226
6227 var getStyles = function( elem ) {
6228
6229 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6230 // IE throws on elements created in popups
6231 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6232 var view = elem.ownerDocument.defaultView;
6233
6234 if ( !view || !view.opener ) {
6235 view = window;
6236 }
6237
6238 return view.getComputedStyle( elem );
6239 };
6240
6241 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6242
6243
6244
6245 ( function() {
6246
6247 // Executing both pixelPosition & boxSizingReliable tests require only one layout
6248 // so they're executed at the same time to save the second computation.
6249 function computeStyleTests() {
6250
6251 // This is a singleton, we need to execute it only once
6252 if ( !div ) {
6253 return;
6254 }
6255
6256 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6257 "margin-top:1px;padding:0;border:0";
6258 div.style.cssText =
6259 "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6260 "margin:auto;border:1px;padding:1px;" +
6261 "width:60%;top:1%";
6262 documentElement.appendChild( container ).appendChild( div );
6263
6264 var divStyle = window.getComputedStyle( div );
6265 pixelPositionVal = divStyle.top !== "1%";
6266
6267 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6268 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6269
6270 // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6271 // Some styles come back with percentage values, even though they shouldn't
6272 div.style.right = "60%";
6273 pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6274
6275 // Support: IE 9 - 11 only
6276 // Detect misreporting of content dimensions for box-sizing:border-box elements
6277 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6278
6279 // Support: IE 9 only
6280 // Detect overflow:scroll screwiness (gh-3699)
6281 // Support: Chrome <=64
6282 // Don't get tricked when zoom affects offsetWidth (gh-4029)
6283 div.style.position = "absolute";
6284 scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
6285
6286 documentElement.removeChild( container );
6287
6288 // Nullify the div so it wouldn't be stored in the memory and
6289 // it will also be a sign that checks already performed
6290 div = null;
6291 }
6292
6293 function roundPixelMeasures( measure ) {
6294 return Math.round( parseFloat( measure ) );
6295 }
6296
6297 var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6298 reliableMarginLeftVal,
6299 container = document.createElement( "div" ),
6300 div = document.createElement( "div" );
6301
6302 // Finish early in limited (non-browser) environments
6303 if ( !div.style ) {
6304 return;
6305 }
6306
6307 // Support: IE <=9 - 11 only
6308 // Style of cloned element affects source element cloned (#8908)
6309 div.style.backgroundClip = "content-box";
6310 div.cloneNode( true ).style.backgroundClip = "";
6311 support.clearCloneStyle = div.style.backgroundClip === "content-box";
6312
6313 jQuery.extend( support, {
6314 boxSizingReliable: function() {
6315 computeStyleTests();
6316 return boxSizingReliableVal;
6317 },
6318 pixelBoxStyles: function() {
6319 computeStyleTests();
6320 return pixelBoxStylesVal;
6321 },
6322 pixelPosition: function() {
6323 computeStyleTests();
6324 return pixelPositionVal;
6325 },
6326 reliableMarginLeft: function() {
6327 computeStyleTests();
6328 return reliableMarginLeftVal;
6329 },
6330 scrollboxSize: function() {
6331 computeStyleTests();
6332 return scrollboxSizeVal;
6333 }
6334 } );
6335 } )();
6336
6337
6338 function curCSS( elem, name, computed ) {
6339 var width, minWidth, maxWidth, ret,
6340
6341 // Support: Firefox 51+
6342 // Retrieving style before computed somehow
6343 // fixes an issue with getting wrong values
6344 // on detached elements
6345 style = elem.style;
6346
6347 computed = computed || getStyles( elem );
6348
6349 // getPropertyValue is needed for:
6350 // .css('filter') (IE 9 only, #12537)
6351 // .css('--customProperty) (#3144)
6352 if ( computed ) {
6353 ret = computed.getPropertyValue( name ) || computed[ name ];
6354
6355 if ( ret === "" && !isAttached( elem ) ) {
6356 ret = jQuery.style( elem, name );
6357 }
6358
6359 // A tribute to the "awesome hack by Dean Edwards"
6360 // Android Browser returns percentage for some values,
6361 // but width seems to be reliably pixels.
6362 // This is against the CSSOM draft spec:
6363 // https://drafts.csswg.org/cssom/#resolved-values
6364 if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6365
6366 // Remember the original values
6367 width = style.width;
6368 minWidth = style.minWidth;
6369 maxWidth = style.maxWidth;
6370
6371 // Put in the new values to get a computed value out
6372 style.minWidth = style.maxWidth = style.width = ret;
6373 ret = computed.width;
6374
6375 // Revert the changed values
6376 style.width = width;
6377 style.minWidth = minWidth;
6378 style.maxWidth = maxWidth;
6379 }
6380 }
6381
6382 return ret !== undefined ?
6383
6384 // Support: IE <=9 - 11 only
6385 // IE returns zIndex value as an integer.
6386 ret + "" :
6387 ret;
6388 }
6389
6390
6391 function addGetHookIf( conditionFn, hookFn ) {
6392
6393 // Define the hook, we'll check on the first run if it's really needed.
6394 return {
6395 get: function() {
6396 if ( conditionFn() ) {
6397
6398 // Hook not needed (or it's not possible to use it due
6399 // to missing dependency), remove it.
6400 delete this.get;
6401 return;
6402 }
6403
6404 // Hook needed; redefine it so that the support test is not executed again.
6405 return ( this.get = hookFn ).apply( this, arguments );
6406 }
6407 };
6408 }
6409
6410
6411 var cssPrefixes = [ "Webkit", "Moz", "ms" ],
6412 emptyStyle = document.createElement( "div" ).style,
6413 vendorProps = {};
6414
6415 // Return a vendor-prefixed property or undefined
6416 function vendorPropName( name ) {
6417
6418 // Check for vendor prefixed names
6419 var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6420 i = cssPrefixes.length;
6421
6422 while ( i-- ) {
6423 name = cssPrefixes[ i ] + capName;
6424 if ( name in emptyStyle ) {
6425 return name;
6426 }
6427 }
6428 }
6429
6430 // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6431 function finalPropName( name ) {
6432 var final = jQuery.cssProps[ name ] || vendorProps[ name ];
6433
6434 if ( final ) {
6435 return final;
6436 }
6437 if ( name in emptyStyle ) {
6438 return name;
6439 }
6440 return vendorProps[ name ] = vendorPropName( name ) || name;
6441 }
6442
6443
6444 var
6445
6446 // Swappable if display is none or starts with table
6447 // except "table", "table-cell", or "table-caption"
6448 // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6449 rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6450 rcustomProp = /^--/,
6451 cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6452 cssNormalTransform = {
6453 letterSpacing: "0",
6454 fontWeight: "400"
6455 };
6456
6457 function setPositiveNumber( elem, value, subtract ) {
6458
6459 // Any relative (+/-) values have already been
6460 // normalized at this point
6461 var matches = rcssNum.exec( value );
6462 return matches ?
6463
6464 // Guard against undefined "subtract", e.g., when used as in cssHooks
6465 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6466 value;
6467 }
6468
6469 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6470 var i = dimension === "width" ? 1 : 0,
6471 extra = 0,
6472 delta = 0;
6473
6474 // Adjustment may not be necessary
6475 if ( box === ( isBorderBox ? "border" : "content" ) ) {
6476 return 0;
6477 }
6478
6479 for ( ; i < 4; i += 2 ) {
6480
6481 // Both box models exclude margin
6482 if ( box === "margin" ) {
6483 delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6484 }
6485
6486 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6487 if ( !isBorderBox ) {
6488
6489 // Add padding
6490 delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6491
6492 // For "border" or "margin", add border
6493 if ( box !== "padding" ) {
6494 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6495
6496 // But still keep track of it otherwise
6497 } else {
6498 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6499 }
6500
6501 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6502 // "padding" or "margin"
6503 } else {
6504
6505 // For "content", subtract padding
6506 if ( box === "content" ) {
6507 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6508 }
6509
6510 // For "content" or "padding", subtract border
6511 if ( box !== "margin" ) {
6512 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6513 }
6514 }
6515 }
6516
6517 // Account for positive content-box scroll gutter when requested by providing computedVal
6518 if ( !isBorderBox && computedVal >= 0 ) {
6519
6520 // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6521 // Assuming integer scroll gutter, subtract the rest and round down
6522 delta += Math.max( 0, Math.ceil(
6523 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6524 computedVal -
6525 delta -
6526 extra -
6527 0.5
6528
6529 // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
6530 // Use an explicit zero to avoid NaN (gh-3964)
6531 ) ) || 0;
6532 }
6533
6534 return delta;
6535 }
6536
6537 function getWidthOrHeight( elem, dimension, extra ) {
6538
6539 // Start with computed style
6540 var styles = getStyles( elem ),
6541
6542 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
6543 // Fake content-box until we know it's needed to know the true value.
6544 boxSizingNeeded = !support.boxSizingReliable() || extra,
6545 isBorderBox = boxSizingNeeded &&
6546 jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6547 valueIsBorderBox = isBorderBox,
6548
6549 val = curCSS( elem, dimension, styles ),
6550 offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
6551
6552 // Support: Firefox <=54
6553 // Return a confounding non-pixel value or feign ignorance, as appropriate.
6554 if ( rnumnonpx.test( val ) ) {
6555 if ( !extra ) {
6556 return val;
6557 }
6558 val = "auto";
6559 }
6560
6561
6562 // Fall back to offsetWidth/offsetHeight when value is "auto"
6563 // This happens for inline elements with no explicit setting (gh-3571)
6564 // Support: Android <=4.1 - 4.3 only
6565 // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6566 // Support: IE 9-11 only
6567 // Also use offsetWidth/offsetHeight for when box sizing is unreliable
6568 // We use getClientRects() to check for hidden/disconnected.
6569 // In those cases, the computed value can be trusted to be border-box
6570 if ( ( !support.boxSizingReliable() && isBorderBox ||
6571 val === "auto" ||
6572 !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
6573 elem.getClientRects().length ) {
6574
6575 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6576
6577 // Where available, offsetWidth/offsetHeight approximate border box dimensions.
6578 // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
6579 // retrieved value as a content box dimension.
6580 valueIsBorderBox = offsetProp in elem;
6581 if ( valueIsBorderBox ) {
6582 val = elem[ offsetProp ];
6583 }
6584 }
6585
6586 // Normalize "" and auto
6587 val = parseFloat( val ) || 0;
6588
6589 // Adjust for the element's box model
6590 return ( val +
6591 boxModelAdjustment(
6592 elem,
6593 dimension,
6594 extra || ( isBorderBox ? "border" : "content" ),
6595 valueIsBorderBox,
6596 styles,
6597
6598 // Provide the current computed size to request scroll gutter calculation (gh-3589)
6599 val
6600 )
6601 ) + "px";
6602 }
6603
6604 jQuery.extend( {
6605
6606 // Add in style property hooks for overriding the default
6607 // behavior of getting and setting a style property
6608 cssHooks: {
6609 opacity: {
6610 get: function( elem, computed ) {
6611 if ( computed ) {
6612
6613 // We should always get a number back from opacity
6614 var ret = curCSS( elem, "opacity" );
6615 return ret === "" ? "1" : ret;
6616 }
6617 }
6618 }
6619 },
6620
6621 // Don't automatically add "px" to these possibly-unitless properties
6622 cssNumber: {
6623 "animationIterationCount": true,
6624 "columnCount": true,
6625 "fillOpacity": true,
6626 "flexGrow": true,
6627 "flexShrink": true,
6628 "fontWeight": true,
6629 "gridArea": true,
6630 "gridColumn": true,
6631 "gridColumnEnd": true,
6632 "gridColumnStart": true,
6633 "gridRow": true,
6634 "gridRowEnd": true,
6635 "gridRowStart": true,
6636 "lineHeight": true,
6637 "opacity": true,
6638 "order": true,
6639 "orphans": true,
6640 "widows": true,
6641 "zIndex": true,
6642 "zoom": true
6643 },
6644
6645 // Add in properties whose names you wish to fix before
6646 // setting or getting the value
6647 cssProps: {},
6648
6649 // Get and set the style property on a DOM Node
6650 style: function( elem, name, value, extra ) {
6651
6652 // Don't set styles on text and comment nodes
6653 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6654 return;
6655 }
6656
6657 // Make sure that we're working with the right name
6658 var ret, type, hooks,
6659 origName = camelCase( name ),
6660 isCustomProp = rcustomProp.test( name ),
6661 style = elem.style;
6662
6663 // Make sure that we're working with the right name. We don't
6664 // want to query the value if it is a CSS custom property
6665 // since they are user-defined.
6666 if ( !isCustomProp ) {
6667 name = finalPropName( origName );
6668 }
6669
6670 // Gets hook for the prefixed version, then unprefixed version
6671 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6672
6673 // Check if we're setting a value
6674 if ( value !== undefined ) {
6675 type = typeof value;
6676
6677 // Convert "+=" or "-=" to relative numbers (#7345)
6678 if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6679 value = adjustCSS( elem, name, ret );
6680
6681 // Fixes bug #9237
6682 type = "number";
6683 }
6684
6685 // Make sure that null and NaN values aren't set (#7116)
6686 if ( value == null || value !== value ) {
6687 return;
6688 }
6689
6690 // If a number was passed in, add the unit (except for certain CSS properties)
6691 // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
6692 // "px" to a few hardcoded values.
6693 if ( type === "number" && !isCustomProp ) {
6694 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6695 }
6696
6697 // background-* props affect original clone's values
6698 if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6699 style[ name ] = "inherit";
6700 }
6701
6702 // If a hook was provided, use that value, otherwise just set the specified value
6703 if ( !hooks || !( "set" in hooks ) ||
6704 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6705
6706 if ( isCustomProp ) {
6707 style.setProperty( name, value );
6708 } else {
6709 style[ name ] = value;
6710 }
6711 }
6712
6713 } else {
6714
6715 // If a hook was provided get the non-computed value from there
6716 if ( hooks && "get" in hooks &&
6717 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6718
6719 return ret;
6720 }
6721
6722 // Otherwise just get the value from the style object
6723 return style[ name ];
6724 }
6725 },
6726
6727 css: function( elem, name, extra, styles ) {
6728 var val, num, hooks,
6729 origName = camelCase( name ),
6730 isCustomProp = rcustomProp.test( name );
6731
6732 // Make sure that we're working with the right name. We don't
6733 // want to modify the value if it is a CSS custom property
6734 // since they are user-defined.
6735 if ( !isCustomProp ) {
6736 name = finalPropName( origName );
6737 }
6738
6739 // Try prefixed name followed by the unprefixed name
6740 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6741
6742 // If a hook was provided get the computed value from there
6743 if ( hooks && "get" in hooks ) {
6744 val = hooks.get( elem, true, extra );
6745 }
6746
6747 // Otherwise, if a way to get the computed value exists, use that
6748 if ( val === undefined ) {
6749 val = curCSS( elem, name, styles );
6750 }
6751
6752 // Convert "normal" to computed value
6753 if ( val === "normal" && name in cssNormalTransform ) {
6754 val = cssNormalTransform[ name ];
6755 }
6756
6757 // Make numeric if forced or a qualifier was provided and val looks numeric
6758 if ( extra === "" || extra ) {
6759 num = parseFloat( val );
6760 return extra === true || isFinite( num ) ? num || 0 : val;
6761 }
6762
6763 return val;
6764 }
6765 } );
6766
6767 jQuery.each( [ "height", "width" ], function( i, dimension ) {
6768 jQuery.cssHooks[ dimension ] = {
6769 get: function( elem, computed, extra ) {
6770 if ( computed ) {
6771
6772 // Certain elements can have dimension info if we invisibly show them
6773 // but it must have a current display style that would benefit
6774 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6775
6776 // Support: Safari 8+
6777 // Table columns in Safari have non-zero offsetWidth & zero
6778 // getBoundingClientRect().width unless display is changed.
6779 // Support: IE <=11 only
6780 // Running getBoundingClientRect on a disconnected node
6781 // in IE throws an error.
6782 ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6783 swap( elem, cssShow, function() {
6784 return getWidthOrHeight( elem, dimension, extra );
6785 } ) :
6786 getWidthOrHeight( elem, dimension, extra );
6787 }
6788 },
6789
6790 set: function( elem, value, extra ) {
6791 var matches,
6792 styles = getStyles( elem ),
6793
6794 // Only read styles.position if the test has a chance to fail
6795 // to avoid forcing a reflow.
6796 scrollboxSizeBuggy = !support.scrollboxSize() &&
6797 styles.position === "absolute",
6798
6799 // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
6800 boxSizingNeeded = scrollboxSizeBuggy || extra,
6801 isBorderBox = boxSizingNeeded &&
6802 jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6803 subtract = extra ?
6804 boxModelAdjustment(
6805 elem,
6806 dimension,
6807 extra,
6808 isBorderBox,
6809 styles
6810 ) :
6811 0;
6812
6813 // Account for unreliable border-box dimensions by comparing offset* to computed and
6814 // faking a content-box to get border and padding (gh-3699)
6815 if ( isBorderBox && scrollboxSizeBuggy ) {
6816 subtract -= Math.ceil(
6817 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6818 parseFloat( styles[ dimension ] ) -
6819 boxModelAdjustment( elem, dimension, "border", false, styles ) -
6820 0.5
6821 );
6822 }
6823
6824 // Convert to pixels if value adjustment is needed
6825 if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6826 ( matches[ 3 ] || "px" ) !== "px" ) {
6827
6828 elem.style[ dimension ] = value;
6829 value = jQuery.css( elem, dimension );
6830 }
6831
6832 return setPositiveNumber( elem, value, subtract );
6833 }
6834 };
6835 } );
6836
6837 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6838 function( elem, computed ) {
6839 if ( computed ) {
6840 return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6841 elem.getBoundingClientRect().left -
6842 swap( elem, { marginLeft: 0 }, function() {
6843 return elem.getBoundingClientRect().left;
6844 } )
6845 ) + "px";
6846 }
6847 }
6848 );
6849
6850 // These hooks are used by animate to expand properties
6851 jQuery.each( {
6852 margin: "",
6853 padding: "",
6854 border: "Width"
6855 }, function( prefix, suffix ) {
6856 jQuery.cssHooks[ prefix + suffix ] = {
6857 expand: function( value ) {
6858 var i = 0,
6859 expanded = {},
6860
6861 // Assumes a single number if not a string
6862 parts = typeof value === "string" ? value.split( " " ) : [ value ];
6863
6864 for ( ; i < 4; i++ ) {
6865 expanded[ prefix + cssExpand[ i ] + suffix ] =
6866 parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6867 }
6868
6869 return expanded;
6870 }
6871 };
6872
6873 if ( prefix !== "margin" ) {
6874 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6875 }
6876 } );
6877
6878 jQuery.fn.extend( {
6879 css: function( name, value ) {
6880 return access( this, function( elem, name, value ) {
6881 var styles, len,
6882 map = {},
6883 i = 0;
6884
6885 if ( Array.isArray( name ) ) {
6886 styles = getStyles( elem );
6887 len = name.length;
6888
6889 for ( ; i < len; i++ ) {
6890 map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6891 }
6892
6893 return map;
6894 }
6895
6896 return value !== undefined ?
6897 jQuery.style( elem, name, value ) :
6898 jQuery.css( elem, name );
6899 }, name, value, arguments.length > 1 );
6900 }
6901 } );
6902
6903
6904 function Tween( elem, options, prop, end, easing ) {
6905 return new Tween.prototype.init( elem, options, prop, end, easing );
6906 }
6907 jQuery.Tween = Tween;
6908
6909 Tween.prototype = {
6910 constructor: Tween,
6911 init: function( elem, options, prop, end, easing, unit ) {
6912 this.elem = elem;
6913 this.prop = prop;
6914 this.easing = easing || jQuery.easing._default;
6915 this.options = options;
6916 this.start = this.now = this.cur();
6917 this.end = end;
6918 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6919 },
6920 cur: function() {
6921 var hooks = Tween.propHooks[ this.prop ];
6922
6923 return hooks && hooks.get ?
6924 hooks.get( this ) :
6925 Tween.propHooks._default.get( this );
6926 },
6927 run: function( percent ) {
6928 var eased,
6929 hooks = Tween.propHooks[ this.prop ];
6930
6931 if ( this.options.duration ) {
6932 this.pos = eased = jQuery.easing[ this.easing ](
6933 percent, this.options.duration * percent, 0, 1, this.options.duration
6934 );
6935 } else {
6936 this.pos = eased = percent;
6937 }
6938 this.now = ( this.end - this.start ) * eased + this.start;
6939
6940 if ( this.options.step ) {
6941 this.options.step.call( this.elem, this.now, this );
6942 }
6943
6944 if ( hooks && hooks.set ) {
6945 hooks.set( this );
6946 } else {
6947 Tween.propHooks._default.set( this );
6948 }
6949 return this;
6950 }
6951 };
6952
6953 Tween.prototype.init.prototype = Tween.prototype;
6954
6955 Tween.propHooks = {
6956 _default: {
6957 get: function( tween ) {
6958 var result;
6959
6960 // Use a property on the element directly when it is not a DOM element,
6961 // or when there is no matching style property that exists.
6962 if ( tween.elem.nodeType !== 1 ||
6963 tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
6964 return tween.elem[ tween.prop ];
6965 }
6966
6967 // Passing an empty string as a 3rd parameter to .css will automatically
6968 // attempt a parseFloat and fallback to a string if the parse fails.
6969 // Simple values such as "10px" are parsed to Float;
6970 // complex values such as "rotate(1rad)" are returned as-is.
6971 result = jQuery.css( tween.elem, tween.prop, "" );
6972
6973 // Empty strings, null, undefined and "auto" are converted to 0.
6974 return !result || result === "auto" ? 0 : result;
6975 },
6976 set: function( tween ) {
6977
6978 // Use step hook for back compat.
6979 // Use cssHook if its there.
6980 // Use .style if available and use plain properties where available.
6981 if ( jQuery.fx.step[ tween.prop ] ) {
6982 jQuery.fx.step[ tween.prop ]( tween );
6983 } else if ( tween.elem.nodeType === 1 && (
6984 jQuery.cssHooks[ tween.prop ] ||
6985 tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
6986 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6987 } else {
6988 tween.elem[ tween.prop ] = tween.now;
6989 }
6990 }
6991 }
6992 };
6993
6994 // Support: IE <=9 only
6995 // Panic based approach to setting things on disconnected nodes
6996 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6997 set: function( tween ) {
6998 if ( tween.elem.nodeType && tween.elem.parentNode ) {
6999 tween.elem[ tween.prop ] = tween.now;
7000 }
7001 }
7002 };
7003
7004 jQuery.easing = {
7005 linear: function( p ) {
7006 return p;
7007 },
7008 swing: function( p ) {
7009 return 0.5 - Math.cos( p * Math.PI ) / 2;
7010 },
7011 _default: "swing"
7012 };
7013
7014 jQuery.fx = Tween.prototype.init;
7015
7016 // Back compat <1.8 extension point
7017 jQuery.fx.step = {};
7018
7019
7020
7021
7022 var
7023 fxNow, inProgress,
7024 rfxtypes = /^(?:toggle|show|hide)$/,
7025 rrun = /queueHooks$/;
7026
7027 function schedule() {
7028 if ( inProgress ) {
7029 if ( document.hidden === false && window.requestAnimationFrame ) {
7030 window.requestAnimationFrame( schedule );
7031 } else {
7032 window.setTimeout( schedule, jQuery.fx.interval );
7033 }
7034
7035 jQuery.fx.tick();
7036 }
7037 }
7038
7039 // Animations created synchronously will run synchronously
7040 function createFxNow() {
7041 window.setTimeout( function() {
7042 fxNow = undefined;
7043 } );
7044 return ( fxNow = Date.now() );
7045 }
7046
7047 // Generate parameters to create a standard animation
7048 function genFx( type, includeWidth ) {
7049 var which,
7050 i = 0,
7051 attrs = { height: type };
7052
7053 // If we include width, step value is 1 to do all cssExpand values,
7054 // otherwise step value is 2 to skip over Left and Right
7055 includeWidth = includeWidth ? 1 : 0;
7056 for ( ; i < 4; i += 2 - includeWidth ) {
7057 which = cssExpand[ i ];
7058 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7059 }
7060
7061 if ( includeWidth ) {
7062 attrs.opacity = attrs.width = type;
7063 }
7064
7065 return attrs;
7066 }
7067
7068 function createTween( value, prop, animation ) {
7069 var tween,
7070 collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
7071 index = 0,
7072 length = collection.length;
7073 for ( ; index < length; index++ ) {
7074 if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
7075
7076 // We're done with this property
7077 return tween;
7078 }
7079 }
7080 }
7081
7082 function defaultPrefilter( elem, props, opts ) {
7083 var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
7084 isBox = "width" in props || "height" in props,
7085 anim = this,
7086 orig = {},
7087 style = elem.style,
7088 hidden = elem.nodeType && isHiddenWithinTree( elem ),
7089 dataShow = dataPriv.get( elem, "fxshow" );
7090
7091 // Queue-skipping animations hijack the fx hooks
7092 if ( !opts.queue ) {
7093 hooks = jQuery._queueHooks( elem, "fx" );
7094 if ( hooks.unqueued == null ) {
7095 hooks.unqueued = 0;
7096 oldfire = hooks.empty.fire;
7097 hooks.empty.fire = function() {
7098 if ( !hooks.unqueued ) {
7099 oldfire();
7100 }
7101 };
7102 }
7103 hooks.unqueued++;
7104
7105 anim.always( function() {
7106
7107 // Ensure the complete handler is called before this completes
7108 anim.always( function() {
7109 hooks.unqueued--;
7110 if ( !jQuery.queue( elem, "fx" ).length ) {
7111 hooks.empty.fire();
7112 }
7113 } );
7114 } );
7115 }
7116
7117 // Detect show/hide animations
7118 for ( prop in props ) {
7119 value = props[ prop ];
7120 if ( rfxtypes.test( value ) ) {
7121 delete props[ prop ];
7122 toggle = toggle || value === "toggle";
7123 if ( value === ( hidden ? "hide" : "show" ) ) {
7124
7125 // Pretend to be hidden if this is a "show" and
7126 // there is still data from a stopped show/hide
7127 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7128 hidden = true;
7129
7130 // Ignore all other no-op show/hide data
7131 } else {
7132 continue;
7133 }
7134 }
7135 orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7136 }
7137 }
7138
7139 // Bail out if this is a no-op like .hide().hide()
7140 propTween = !jQuery.isEmptyObject( props );
7141 if ( !propTween && jQuery.isEmptyObject( orig ) ) {
7142 return;
7143 }
7144
7145 // Restrict "overflow" and "display" styles during box animations
7146 if ( isBox && elem.nodeType === 1 ) {
7147
7148 // Support: IE <=9 - 11, Edge 12 - 15
7149 // Record all 3 overflow attributes because IE does not infer the shorthand
7150 // from identically-valued overflowX and overflowY and Edge just mirrors
7151 // the overflowX value there.
7152 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7153
7154 // Identify a display type, preferring old show/hide data over the CSS cascade
7155 restoreDisplay = dataShow && dataShow.display;
7156 if ( restoreDisplay == null ) {
7157 restoreDisplay = dataPriv.get( elem, "display" );
7158 }
7159 display = jQuery.css( elem, "display" );
7160 if ( display === "none" ) {
7161 if ( restoreDisplay ) {
7162 display = restoreDisplay;
7163 } else {
7164
7165 // Get nonempty value(s) by temporarily forcing visibility
7166 showHide( [ elem ], true );
7167 restoreDisplay = elem.style.display || restoreDisplay;
7168 display = jQuery.css( elem, "display" );
7169 showHide( [ elem ] );
7170 }
7171 }
7172
7173 // Animate inline elements as inline-block
7174 if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
7175 if ( jQuery.css( elem, "float" ) === "none" ) {
7176
7177 // Restore the original display value at the end of pure show/hide animations
7178 if ( !propTween ) {
7179 anim.done( function() {
7180 style.display = restoreDisplay;
7181 } );
7182 if ( restoreDisplay == null ) {
7183 display = style.display;
7184 restoreDisplay = display === "none" ? "" : display;
7185 }
7186 }
7187 style.display = "inline-block";
7188 }
7189 }
7190 }
7191
7192 if ( opts.overflow ) {
7193 style.overflow = "hidden";
7194 anim.always( function() {
7195 style.overflow = opts.overflow[ 0 ];
7196 style.overflowX = opts.overflow[ 1 ];
7197 style.overflowY = opts.overflow[ 2 ];
7198 } );
7199 }
7200
7201 // Implement show/hide animations
7202 propTween = false;
7203 for ( prop in orig ) {
7204
7205 // General show/hide setup for this element animation
7206 if ( !propTween ) {
7207 if ( dataShow ) {
7208 if ( "hidden" in dataShow ) {
7209 hidden = dataShow.hidden;
7210 }
7211 } else {
7212 dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
7213 }
7214
7215 // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
7216 if ( toggle ) {
7217 dataShow.hidden = !hidden;
7218 }
7219
7220 // Show elements before animating them
7221 if ( hidden ) {
7222 showHide( [ elem ], true );
7223 }
7224
7225 /* eslint-disable no-loop-func */
7226
7227 anim.done( function() {
7228
7229 /* eslint-enable no-loop-func */
7230
7231 // The final step of a "hide" animation is actually hiding the element
7232 if ( !hidden ) {
7233 showHide( [ elem ] );
7234 }
7235 dataPriv.remove( elem, "fxshow" );
7236 for ( prop in orig ) {
7237 jQuery.style( elem, prop, orig[ prop ] );
7238 }
7239 } );
7240 }
7241
7242 // Per-property setup
7243 propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7244 if ( !( prop in dataShow ) ) {
7245 dataShow[ prop ] = propTween.start;
7246 if ( hidden ) {
7247 propTween.end = propTween.start;
7248 propTween.start = 0;
7249 }
7250 }
7251 }
7252 }
7253
7254 function propFilter( props, specialEasing ) {
7255 var index, name, easing, value, hooks;
7256
7257 // camelCase, specialEasing and expand cssHook pass
7258 for ( index in props ) {
7259 name = camelCase( index );
7260 easing = specialEasing[ name ];
7261 value = props[ index ];
7262 if ( Array.isArray( value ) ) {
7263 easing = value[ 1 ];
7264 value = props[ index ] = value[ 0 ];
7265 }
7266
7267 if ( index !== name ) {
7268 props[ name ] = value;
7269 delete props[ index ];
7270 }
7271
7272 hooks = jQuery.cssHooks[ name ];
7273 if ( hooks && "expand" in hooks ) {
7274 value = hooks.expand( value );
7275 delete props[ name ];
7276
7277 // Not quite $.extend, this won't overwrite existing keys.
7278 // Reusing 'index' because we have the correct "name"
7279 for ( index in value ) {
7280 if ( !( index in props ) ) {
7281 props[ index ] = value[ index ];
7282 specialEasing[ index ] = easing;
7283 }
7284 }
7285 } else {
7286 specialEasing[ name ] = easing;
7287 }
7288 }
7289 }
7290
7291 function Animation( elem, properties, options ) {
7292 var result,
7293 stopped,
7294 index = 0,
7295 length = Animation.prefilters.length,
7296 deferred = jQuery.Deferred().always( function() {
7297
7298 // Don't match elem in the :animated selector
7299 delete tick.elem;
7300 } ),
7301 tick = function() {
7302 if ( stopped ) {
7303 return false;
7304 }
7305 var currentTime = fxNow || createFxNow(),
7306 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7307
7308 // Support: Android 2.3 only
7309 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7310 temp = remaining / animation.duration || 0,
7311 percent = 1 - temp,
7312 index = 0,
7313 length = animation.tweens.length;
7314
7315 for ( ; index < length; index++ ) {
7316 animation.tweens[ index ].run( percent );
7317 }
7318
7319 deferred.notifyWith( elem, [ animation, percent, remaining ] );
7320
7321 // If there's more to do, yield
7322 if ( percent < 1 && length ) {
7323 return remaining;
7324 }
7325
7326 // If this was an empty animation, synthesize a final progress notification
7327 if ( !length ) {
7328 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7329 }
7330
7331 // Resolve the animation and report its conclusion
7332 deferred.resolveWith( elem, [ animation ] );
7333 return false;
7334 },
7335 animation = deferred.promise( {
7336 elem: elem,
7337 props: jQuery.extend( {}, properties ),
7338 opts: jQuery.extend( true, {
7339 specialEasing: {},
7340 easing: jQuery.easing._default
7341 }, options ),
7342 originalProperties: properties,
7343 originalOptions: options,
7344 startTime: fxNow || createFxNow(),
7345 duration: options.duration,
7346 tweens: [],
7347 createTween: function( prop, end ) {
7348 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7349 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7350 animation.tweens.push( tween );
7351 return tween;
7352 },
7353 stop: function( gotoEnd ) {
7354 var index = 0,
7355
7356 // If we are going to the end, we want to run all the tweens
7357 // otherwise we skip this part
7358 length = gotoEnd ? animation.tweens.length : 0;
7359 if ( stopped ) {
7360 return this;
7361 }
7362 stopped = true;
7363 for ( ; index < length; index++ ) {
7364 animation.tweens[ index ].run( 1 );
7365 }
7366
7367 // Resolve when we played the last frame; otherwise, reject
7368 if ( gotoEnd ) {
7369 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7370 deferred.resolveWith( elem, [ animation, gotoEnd ] );
7371 } else {
7372 deferred.rejectWith( elem, [ animation, gotoEnd ] );
7373 }
7374 return this;
7375 }
7376 } ),
7377 props = animation.props;
7378
7379 propFilter( props, animation.opts.specialEasing );
7380
7381 for ( ; index < length; index++ ) {
7382 result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7383 if ( result ) {
7384 if ( isFunction( result.stop ) ) {
7385 jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7386 result.stop.bind( result );
7387 }
7388 return result;
7389 }
7390 }
7391
7392 jQuery.map( props, createTween, animation );
7393
7394 if ( isFunction( animation.opts.start ) ) {
7395 animation.opts.start.call( elem, animation );
7396 }
7397
7398 // Attach callbacks from options
7399 animation
7400 .progress( animation.opts.progress )
7401 .done( animation.opts.done, animation.opts.complete )
7402 .fail( animation.opts.fail )
7403 .always( animation.opts.always );
7404
7405 jQuery.fx.timer(
7406 jQuery.extend( tick, {
7407 elem: elem,
7408 anim: animation,
7409 queue: animation.opts.queue
7410 } )
7411 );
7412
7413 return animation;
7414 }
7415
7416 jQuery.Animation = jQuery.extend( Animation, {
7417
7418 tweeners: {
7419 "*": [ function( prop, value ) {
7420 var tween = this.createTween( prop, value );
7421 adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7422 return tween;
7423 } ]
7424 },
7425
7426 tweener: function( props, callback ) {
7427 if ( isFunction( props ) ) {
7428 callback = props;
7429 props = [ "*" ];
7430 } else {
7431 props = props.match( rnothtmlwhite );
7432 }
7433
7434 var prop,
7435 index = 0,
7436 length = props.length;
7437
7438 for ( ; index < length; index++ ) {
7439 prop = props[ index ];
7440 Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7441 Animation.tweeners[ prop ].unshift( callback );
7442 }
7443 },
7444
7445 prefilters: [ defaultPrefilter ],
7446
7447 prefilter: function( callback, prepend ) {
7448 if ( prepend ) {
7449 Animation.prefilters.unshift( callback );
7450 } else {
7451 Animation.prefilters.push( callback );
7452 }
7453 }
7454 } );
7455
7456 jQuery.speed = function( speed, easing, fn ) {
7457 var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7458 complete: fn || !fn && easing ||
7459 isFunction( speed ) && speed,
7460 duration: speed,
7461 easing: fn && easing || easing && !isFunction( easing ) && easing
7462 };
7463
7464 // Go to the end state if fx are off
7465 if ( jQuery.fx.off ) {
7466 opt.duration = 0;
7467
7468 } else {
7469 if ( typeof opt.duration !== "number" ) {
7470 if ( opt.duration in jQuery.fx.speeds ) {
7471 opt.duration = jQuery.fx.speeds[ opt.duration ];
7472
7473 } else {
7474 opt.duration = jQuery.fx.speeds._default;
7475 }
7476 }
7477 }
7478
7479 // Normalize opt.queue - true/undefined/null -> "fx"
7480 if ( opt.queue == null || opt.queue === true ) {
7481 opt.queue = "fx";
7482 }
7483
7484 // Queueing
7485 opt.old = opt.complete;
7486
7487 opt.complete = function() {
7488 if ( isFunction( opt.old ) ) {
7489 opt.old.call( this );
7490 }
7491
7492 if ( opt.queue ) {
7493 jQuery.dequeue( this, opt.queue );
7494 }
7495 };
7496
7497 return opt;
7498 };
7499
7500 jQuery.fn.extend( {
7501 fadeTo: function( speed, to, easing, callback ) {
7502
7503 // Show any hidden elements after setting opacity to 0
7504 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7505
7506 // Animate to the value specified
7507 .end().animate( { opacity: to }, speed, easing, callback );
7508 },
7509 animate: function( prop, speed, easing, callback ) {
7510 var empty = jQuery.isEmptyObject( prop ),
7511 optall = jQuery.speed( speed, easing, callback ),
7512 doAnimation = function() {
7513
7514 // Operate on a copy of prop so per-property easing won't be lost
7515 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7516
7517 // Empty animations, or finishing resolves immediately
7518 if ( empty || dataPriv.get( this, "finish" ) ) {
7519 anim.stop( true );
7520 }
7521 };
7522 doAnimation.finish = doAnimation;
7523
7524 return empty || optall.queue === false ?
7525 this.each( doAnimation ) :
7526 this.queue( optall.queue, doAnimation );
7527 },
7528 stop: function( type, clearQueue, gotoEnd ) {
7529 var stopQueue = function( hooks ) {
7530 var stop = hooks.stop;
7531 delete hooks.stop;
7532 stop( gotoEnd );
7533 };
7534
7535 if ( typeof type !== "string" ) {
7536 gotoEnd = clearQueue;
7537 clearQueue = type;
7538 type = undefined;
7539 }
7540 if ( clearQueue && type !== false ) {
7541 this.queue( type || "fx", [] );
7542 }
7543
7544 return this.each( function() {
7545 var dequeue = true,
7546 index = type != null && type + "queueHooks",
7547 timers = jQuery.timers,
7548 data = dataPriv.get( this );
7549
7550 if ( index ) {
7551 if ( data[ index ] && data[ index ].stop ) {
7552 stopQueue( data[ index ] );
7553 }
7554 } else {
7555 for ( index in data ) {
7556 if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7557 stopQueue( data[ index ] );
7558 }
7559 }
7560 }
7561
7562 for ( index = timers.length; index--; ) {
7563 if ( timers[ index ].elem === this &&
7564 ( type == null || timers[ index ].queue === type ) ) {
7565
7566 timers[ index ].anim.stop( gotoEnd );
7567 dequeue = false;
7568 timers.splice( index, 1 );
7569 }
7570 }
7571
7572 // Start the next in the queue if the last step wasn't forced.
7573 // Timers currently will call their complete callbacks, which
7574 // will dequeue but only if they were gotoEnd.
7575 if ( dequeue || !gotoEnd ) {
7576 jQuery.dequeue( this, type );
7577 }
7578 } );
7579 },
7580 finish: function( type ) {
7581 if ( type !== false ) {
7582 type = type || "fx";
7583 }
7584 return this.each( function() {
7585 var index,
7586 data = dataPriv.get( this ),
7587 queue = data[ type + "queue" ],
7588 hooks = data[ type + "queueHooks" ],
7589 timers = jQuery.timers,
7590 length = queue ? queue.length : 0;
7591
7592 // Enable finishing flag on private data
7593 data.finish = true;
7594
7595 // Empty the queue first
7596 jQuery.queue( this, type, [] );
7597
7598 if ( hooks && hooks.stop ) {
7599 hooks.stop.call( this, true );
7600 }
7601
7602 // Look for any active animations, and finish them
7603 for ( index = timers.length; index--; ) {
7604 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7605 timers[ index ].anim.stop( true );
7606 timers.splice( index, 1 );
7607 }
7608 }
7609
7610 // Look for any animations in the old queue and finish them
7611 for ( index = 0; index < length; index++ ) {
7612 if ( queue[ index ] && queue[ index ].finish ) {
7613 queue[ index ].finish.call( this );
7614 }
7615 }
7616
7617 // Turn off finishing flag
7618 delete data.finish;
7619 } );
7620 }
7621 } );
7622
7623 jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
7624 var cssFn = jQuery.fn[ name ];
7625 jQuery.fn[ name ] = function( speed, easing, callback ) {
7626 return speed == null || typeof speed === "boolean" ?
7627 cssFn.apply( this, arguments ) :
7628 this.animate( genFx( name, true ), speed, easing, callback );
7629 };
7630 } );
7631
7632 // Generate shortcuts for custom animations
7633 jQuery.each( {
7634 slideDown: genFx( "show" ),
7635 slideUp: genFx( "hide" ),
7636 slideToggle: genFx( "toggle" ),
7637 fadeIn: { opacity: "show" },
7638 fadeOut: { opacity: "hide" },
7639 fadeToggle: { opacity: "toggle" }
7640 }, function( name, props ) {
7641 jQuery.fn[ name ] = function( speed, easing, callback ) {
7642 return this.animate( props, speed, easing, callback );
7643 };
7644 } );
7645
7646 jQuery.timers = [];
7647 jQuery.fx.tick = function() {
7648 var timer,
7649 i = 0,
7650 timers = jQuery.timers;
7651
7652 fxNow = Date.now();
7653
7654 for ( ; i < timers.length; i++ ) {
7655 timer = timers[ i ];
7656
7657 // Run the timer and safely remove it when done (allowing for external removal)
7658 if ( !timer() && timers[ i ] === timer ) {
7659 timers.splice( i--, 1 );
7660 }
7661 }
7662
7663 if ( !timers.length ) {
7664 jQuery.fx.stop();
7665 }
7666 fxNow = undefined;
7667 };
7668
7669 jQuery.fx.timer = function( timer ) {
7670 jQuery.timers.push( timer );
7671 jQuery.fx.start();
7672 };
7673
7674 jQuery.fx.interval = 13;
7675 jQuery.fx.start = function() {
7676 if ( inProgress ) {
7677 return;
7678 }
7679
7680 inProgress = true;
7681 schedule();
7682 };
7683
7684 jQuery.fx.stop = function() {
7685 inProgress = null;
7686 };
7687
7688 jQuery.fx.speeds = {
7689 slow: 600,
7690 fast: 200,
7691
7692 // Default speed
7693 _default: 400
7694 };
7695
7696
7697 // Based off of the plugin by Clint Helfers, with permission.
7698 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7699 jQuery.fn.delay = function( time, type ) {
7700 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7701 type = type || "fx";
7702
7703 return this.queue( type, function( next, hooks ) {
7704 var timeout = window.setTimeout( next, time );
7705 hooks.stop = function() {
7706 window.clearTimeout( timeout );
7707 };
7708 } );
7709 };
7710
7711
7712 ( function() {
7713 var input = document.createElement( "input" ),
7714 select = document.createElement( "select" ),
7715 opt = select.appendChild( document.createElement( "option" ) );
7716
7717 input.type = "checkbox";
7718
7719 // Support: Android <=4.3 only
7720 // Default value for a checkbox should be "on"
7721 support.checkOn = input.value !== "";
7722
7723 // Support: IE <=11 only
7724 // Must access selectedIndex to make default options select
7725 support.optSelected = opt.selected;
7726
7727 // Support: IE <=11 only
7728 // An input loses its value after becoming a radio
7729 input = document.createElement( "input" );
7730 input.value = "t";
7731 input.type = "radio";
7732 support.radioValue = input.value === "t";
7733 } )();
7734
7735
7736 var boolHook,
7737 attrHandle = jQuery.expr.attrHandle;
7738
7739 jQuery.fn.extend( {
7740 attr: function( name, value ) {
7741 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7742 },
7743
7744 removeAttr: function( name ) {
7745 return this.each( function() {
7746 jQuery.removeAttr( this, name );
7747 } );
7748 }
7749 } );
7750
7751 jQuery.extend( {
7752 attr: function( elem, name, value ) {
7753 var ret, hooks,
7754 nType = elem.nodeType;
7755
7756 // Don't get/set attributes on text, comment and attribute nodes
7757 if ( nType === 3 || nType === 8 || nType === 2 ) {
7758 return;
7759 }
7760
7761 // Fallback to prop when attributes are not supported
7762 if ( typeof elem.getAttribute === "undefined" ) {
7763 return jQuery.prop( elem, name, value );
7764 }
7765
7766 // Attribute hooks are determined by the lowercase version
7767 // Grab necessary hook if one is defined
7768 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7769 hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
7770 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
7771 }
7772
7773 if ( value !== undefined ) {
7774 if ( value === null ) {
7775 jQuery.removeAttr( elem, name );
7776 return;
7777 }
7778
7779 if ( hooks && "set" in hooks &&
7780 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7781 return ret;
7782 }
7783
7784 elem.setAttribute( name, value + "" );
7785 return value;
7786 }
7787
7788 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7789 return ret;
7790 }
7791
7792 ret = jQuery.find.attr( elem, name );
7793
7794 // Non-existent attributes return null, we normalize to undefined
7795 return ret == null ? undefined : ret;
7796 },
7797
7798 attrHooks: {
7799 type: {
7800 set: function( elem, value ) {
7801 if ( !support.radioValue && value === "radio" &&
7802 nodeName( elem, "input" ) ) {
7803 var val = elem.value;
7804 elem.setAttribute( "type", value );
7805 if ( val ) {
7806 elem.value = val;
7807 }
7808 return value;
7809 }
7810 }
7811 }
7812 },
7813
7814 removeAttr: function( elem, value ) {
7815 var name,
7816 i = 0,
7817
7818 // Attribute names can contain non-HTML whitespace characters
7819 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
7820 attrNames = value && value.match( rnothtmlwhite );
7821
7822 if ( attrNames && elem.nodeType === 1 ) {
7823 while ( ( name = attrNames[ i++ ] ) ) {
7824 elem.removeAttribute( name );
7825 }
7826 }
7827 }
7828 } );
7829
7830 // Hooks for boolean attributes
7831 boolHook = {
7832 set: function( elem, value, name ) {
7833 if ( value === false ) {
7834
7835 // Remove boolean attributes when set to false
7836 jQuery.removeAttr( elem, name );
7837 } else {
7838 elem.setAttribute( name, name );
7839 }
7840 return name;
7841 }
7842 };
7843
7844 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
7845 var getter = attrHandle[ name ] || jQuery.find.attr;
7846
7847 attrHandle[ name ] = function( elem, name, isXML ) {
7848 var ret, handle,
7849 lowercaseName = name.toLowerCase();
7850
7851 if ( !isXML ) {
7852
7853 // Avoid an infinite loop by temporarily removing this function from the getter
7854 handle = attrHandle[ lowercaseName ];
7855 attrHandle[ lowercaseName ] = ret;
7856 ret = getter( elem, name, isXML ) != null ?
7857 lowercaseName :
7858 null;
7859 attrHandle[ lowercaseName ] = handle;
7860 }
7861 return ret;
7862 };
7863 } );
7864
7865
7866
7867
7868 var rfocusable = /^(?:input|select|textarea|button)$/i,
7869 rclickable = /^(?:a|area)$/i;
7870
7871 jQuery.fn.extend( {
7872 prop: function( name, value ) {
7873 return access( this, jQuery.prop, name, value, arguments.length > 1 );
7874 },
7875
7876 removeProp: function( name ) {
7877 return this.each( function() {
7878 delete this[ jQuery.propFix[ name ] || name ];
7879 } );
7880 }
7881 } );
7882
7883 jQuery.extend( {
7884 prop: function( elem, name, value ) {
7885 var ret, hooks,
7886 nType = elem.nodeType;
7887
7888 // Don't get/set properties on text, comment and attribute nodes
7889 if ( nType === 3 || nType === 8 || nType === 2 ) {
7890 return;
7891 }
7892
7893 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7894
7895 // Fix name and attach hooks
7896 name = jQuery.propFix[ name ] || name;
7897 hooks = jQuery.propHooks[ name ];
7898 }
7899
7900 if ( value !== undefined ) {
7901 if ( hooks && "set" in hooks &&
7902 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7903 return ret;
7904 }
7905
7906 return ( elem[ name ] = value );
7907 }
7908
7909 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7910 return ret;
7911 }
7912
7913 return elem[ name ];
7914 },
7915
7916 propHooks: {
7917 tabIndex: {
7918 get: function( elem ) {
7919
7920 // Support: IE <=9 - 11 only
7921 // elem.tabIndex doesn't always return the
7922 // correct value when it hasn't been explicitly set
7923 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
7924 // Use proper attribute retrieval(#12072)
7925 var tabindex = jQuery.find.attr( elem, "tabindex" );
7926
7927 if ( tabindex ) {
7928 return parseInt( tabindex, 10 );
7929 }
7930
7931 if (
7932 rfocusable.test( elem.nodeName ) ||
7933 rclickable.test( elem.nodeName ) &&
7934 elem.href
7935 ) {
7936 return 0;
7937 }
7938
7939 return -1;
7940 }
7941 }
7942 },
7943
7944 propFix: {
7945 "for": "htmlFor",
7946 "class": "className"
7947 }
7948 } );
7949
7950 // Support: IE <=11 only
7951 // Accessing the selectedIndex property
7952 // forces the browser to respect setting selected
7953 // on the option
7954 // The getter ensures a default option is selected
7955 // when in an optgroup
7956 // eslint rule "no-unused-expressions" is disabled for this code
7957 // since it considers such accessions noop
7958 if ( !support.optSelected ) {
7959 jQuery.propHooks.selected = {
7960 get: function( elem ) {
7961
7962 /* eslint no-unused-expressions: "off" */
7963
7964 var parent = elem.parentNode;
7965 if ( parent && parent.parentNode ) {
7966 parent.parentNode.selectedIndex;
7967 }
7968 return null;
7969 },
7970 set: function( elem ) {
7971
7972 /* eslint no-unused-expressions: "off" */
7973
7974 var parent = elem.parentNode;
7975 if ( parent ) {
7976 parent.selectedIndex;
7977
7978 if ( parent.parentNode ) {
7979 parent.parentNode.selectedIndex;
7980 }
7981 }
7982 }
7983 };
7984 }
7985
7986 jQuery.each( [
7987 "tabIndex",
7988 "readOnly",
7989 "maxLength",
7990 "cellSpacing",
7991 "cellPadding",
7992 "rowSpan",
7993 "colSpan",
7994 "useMap",
7995 "frameBorder",
7996 "contentEditable"
7997 ], function() {
7998 jQuery.propFix[ this.toLowerCase() ] = this;
7999 } );
8000
8001
8002
8003
8004 // Strip and collapse whitespace according to HTML spec
8005 // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
8006 function stripAndCollapse( value ) {
8007 var tokens = value.match( rnothtmlwhite ) || [];
8008 return tokens.join( " " );
8009 }
8010
8011
8012 function getClass( elem ) {
8013 return elem.getAttribute && elem.getAttribute( "class" ) || "";
8014 }
8015
8016 function classesToArray( value ) {
8017 if ( Array.isArray( value ) ) {
8018 return value;
8019 }
8020 if ( typeof value === "string" ) {
8021 return value.match( rnothtmlwhite ) || [];
8022 }
8023 return [];
8024 }
8025
8026 jQuery.fn.extend( {
8027 addClass: function( value ) {
8028 var classes, elem, cur, curValue, clazz, j, finalValue,
8029 i = 0;
8030
8031 if ( isFunction( value ) ) {
8032 return this.each( function( j ) {
8033 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
8034 } );
8035 }
8036
8037 classes = classesToArray( value );
8038
8039 if ( classes.length ) {
8040 while ( ( elem = this[ i++ ] ) ) {
8041 curValue = getClass( elem );
8042 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8043
8044 if ( cur ) {
8045 j = 0;
8046 while ( ( clazz = classes[ j++ ] ) ) {
8047 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8048 cur += clazz + " ";
8049 }
8050 }
8051
8052 // Only assign if different to avoid unneeded rendering.
8053 finalValue = stripAndCollapse( cur );
8054 if ( curValue !== finalValue ) {
8055 elem.setAttribute( "class", finalValue );
8056 }
8057 }
8058 }
8059 }
8060
8061 return this;
8062 },
8063
8064 removeClass: function( value ) {
8065 var classes, elem, cur, curValue, clazz, j, finalValue,
8066 i = 0;
8067
8068 if ( isFunction( value ) ) {
8069 return this.each( function( j ) {
8070 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
8071 } );
8072 }
8073
8074 if ( !arguments.length ) {
8075 return this.attr( "class", "" );
8076 }
8077
8078 classes = classesToArray( value );
8079
8080 if ( classes.length ) {
8081 while ( ( elem = this[ i++ ] ) ) {
8082 curValue = getClass( elem );
8083
8084 // This expression is here for better compressibility (see addClass)
8085 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8086
8087 if ( cur ) {
8088 j = 0;
8089 while ( ( clazz = classes[ j++ ] ) ) {
8090
8091 // Remove *all* instances
8092 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
8093 cur = cur.replace( " " + clazz + " ", " " );
8094 }
8095 }
8096
8097 // Only assign if different to avoid unneeded rendering.
8098 finalValue = stripAndCollapse( cur );
8099 if ( curValue !== finalValue ) {
8100 elem.setAttribute( "class", finalValue );
8101 }
8102 }
8103 }
8104 }
8105
8106 return this;
8107 },
8108
8109 toggleClass: function( value, stateVal ) {
8110 var type = typeof value,
8111 isValidValue = type === "string" || Array.isArray( value );
8112
8113 if ( typeof stateVal === "boolean" && isValidValue ) {
8114 return stateVal ? this.addClass( value ) : this.removeClass( value );
8115 }
8116
8117 if ( isFunction( value ) ) {
8118 return this.each( function( i ) {
8119 jQuery( this ).toggleClass(
8120 value.call( this, i, getClass( this ), stateVal ),
8121 stateVal
8122 );
8123 } );
8124 }
8125
8126 return this.each( function() {
8127 var className, i, self, classNames;
8128
8129 if ( isValidValue ) {
8130
8131 // Toggle individual class names
8132 i = 0;
8133 self = jQuery( this );
8134 classNames = classesToArray( value );
8135
8136 while ( ( className = classNames[ i++ ] ) ) {
8137
8138 // Check each className given, space separated list
8139 if ( self.hasClass( className ) ) {
8140 self.removeClass( className );
8141 } else {
8142 self.addClass( className );
8143 }
8144 }
8145
8146 // Toggle whole class name
8147 } else if ( value === undefined || type === "boolean" ) {
8148 className = getClass( this );
8149 if ( className ) {
8150
8151 // Store className if set
8152 dataPriv.set( this, "__className__", className );
8153 }
8154
8155 // If the element has a class name or if we're passed `false`,
8156 // then remove the whole classname (if there was one, the above saved it).
8157 // Otherwise bring back whatever was previously saved (if anything),
8158 // falling back to the empty string if nothing was stored.
8159 if ( this.setAttribute ) {
8160 this.setAttribute( "class",
8161 className || value === false ?
8162 "" :
8163 dataPriv.get( this, "__className__" ) || ""
8164 );
8165 }
8166 }
8167 } );
8168 },
8169
8170 hasClass: function( selector ) {
8171 var className, elem,
8172 i = 0;
8173
8174 className = " " + selector + " ";
8175 while ( ( elem = this[ i++ ] ) ) {
8176 if ( elem.nodeType === 1 &&
8177 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
8178 return true;
8179 }
8180 }
8181
8182 return false;
8183 }
8184 } );
8185
8186
8187
8188
8189 var rreturn = /\r/g;
8190
8191 jQuery.fn.extend( {
8192 val: function( value ) {
8193 var hooks, ret, valueIsFunction,
8194 elem = this[ 0 ];
8195
8196 if ( !arguments.length ) {
8197 if ( elem ) {
8198 hooks = jQuery.valHooks[ elem.type ] ||
8199 jQuery.valHooks[ elem.nodeName.toLowerCase() ];
8200
8201 if ( hooks &&
8202 "get" in hooks &&
8203 ( ret = hooks.get( elem, "value" ) ) !== undefined
8204 ) {
8205 return ret;
8206 }
8207
8208 ret = elem.value;
8209
8210 // Handle most common string cases
8211 if ( typeof ret === "string" ) {
8212 return ret.replace( rreturn, "" );
8213 }
8214
8215 // Handle cases where value is null/undef or number
8216 return ret == null ? "" : ret;
8217 }
8218
8219 return;
8220 }
8221
8222 valueIsFunction = isFunction( value );
8223
8224 return this.each( function( i ) {
8225 var val;
8226
8227 if ( this.nodeType !== 1 ) {
8228 return;
8229 }
8230
8231 if ( valueIsFunction ) {
8232 val = value.call( this, i, jQuery( this ).val() );
8233 } else {
8234 val = value;
8235 }
8236
8237 // Treat null/undefined as ""; convert numbers to string
8238 if ( val == null ) {
8239 val = "";
8240
8241 } else if ( typeof val === "number" ) {
8242 val += "";
8243
8244 } else if ( Array.isArray( val ) ) {
8245 val = jQuery.map( val, function( value ) {
8246 return value == null ? "" : value + "";
8247 } );
8248 }
8249
8250 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
8251
8252 // If set returns undefined, fall back to normal setting
8253 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
8254 this.value = val;
8255 }
8256 } );
8257 }
8258 } );
8259
8260 jQuery.extend( {
8261 valHooks: {
8262 option: {
8263 get: function( elem ) {
8264
8265 var val = jQuery.find.attr( elem, "value" );
8266 return val != null ?
8267 val :
8268
8269 // Support: IE <=10 - 11 only
8270 // option.text throws exceptions (#14686, #14858)
8271 // Strip and collapse whitespace
8272 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
8273 stripAndCollapse( jQuery.text( elem ) );
8274 }
8275 },
8276 select: {
8277 get: function( elem ) {
8278 var value, option, i,
8279 options = elem.options,
8280 index = elem.selectedIndex,
8281 one = elem.type === "select-one",
8282 values = one ? null : [],
8283 max = one ? index + 1 : options.length;
8284
8285 if ( index < 0 ) {
8286 i = max;
8287
8288 } else {
8289 i = one ? index : 0;
8290 }
8291
8292 // Loop through all the selected options
8293 for ( ; i < max; i++ ) {
8294 option = options[ i ];
8295
8296 // Support: IE <=9 only
8297 // IE8-9 doesn't update selected after form reset (#2551)
8298 if ( ( option.selected || i === index ) &&
8299
8300 // Don't return options that are disabled or in a disabled optgroup
8301 !option.disabled &&
8302 ( !option.parentNode.disabled ||
8303 !nodeName( option.parentNode, "optgroup" ) ) ) {
8304
8305 // Get the specific value for the option
8306 value = jQuery( option ).val();
8307
8308 // We don't need an array for one selects
8309 if ( one ) {
8310 return value;
8311 }
8312
8313 // Multi-Selects return an array
8314 values.push( value );
8315 }
8316 }
8317
8318 return values;
8319 },
8320
8321 set: function( elem, value ) {
8322 var optionSet, option,
8323 options = elem.options,
8324 values = jQuery.makeArray( value ),
8325 i = options.length;
8326
8327 while ( i-- ) {
8328 option = options[ i ];
8329
8330 /* eslint-disable no-cond-assign */
8331
8332 if ( option.selected =
8333 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8334 ) {
8335 optionSet = true;
8336 }
8337
8338 /* eslint-enable no-cond-assign */
8339 }
8340
8341 // Force browsers to behave consistently when non-matching value is set
8342 if ( !optionSet ) {
8343 elem.selectedIndex = -1;
8344 }
8345 return values;
8346 }
8347 }
8348 }
8349 } );
8350
8351 // Radios and checkboxes getter/setter
8352 jQuery.each( [ "radio", "checkbox" ], function() {
8353 jQuery.valHooks[ this ] = {
8354 set: function( elem, value ) {
8355 if ( Array.isArray( value ) ) {
8356 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8357 }
8358 }
8359 };
8360 if ( !support.checkOn ) {
8361 jQuery.valHooks[ this ].get = function( elem ) {
8362 return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8363 };
8364 }
8365 } );
8366
8367
8368
8369
8370 // Return jQuery for attributes-only inclusion
8371
8372
8373 support.focusin = "onfocusin" in window;
8374
8375
8376 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
8377 stopPropagationCallback = function( e ) {
8378 e.stopPropagation();
8379 };
8380
8381 jQuery.extend( jQuery.event, {
8382
8383 trigger: function( event, data, elem, onlyHandlers ) {
8384
8385 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
8386 eventPath = [ elem || document ],
8387 type = hasOwn.call( event, "type" ) ? event.type : event,
8388 namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8389
8390 cur = lastElement = tmp = elem = elem || document;
8391
8392 // Don't do events on text and comment nodes
8393 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8394 return;
8395 }
8396
8397 // focus/blur morphs to focusin/out; ensure we're not firing them right now
8398 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8399 return;
8400 }
8401
8402 if ( type.indexOf( "." ) > -1 ) {
8403
8404 // Namespaced trigger; create a regexp to match event type in handle()
8405 namespaces = type.split( "." );
8406 type = namespaces.shift();
8407 namespaces.sort();
8408 }
8409 ontype = type.indexOf( ":" ) < 0 && "on" + type;
8410
8411 // Caller can pass in a jQuery.Event object, Object, or just an event type string
8412 event = event[ jQuery.expando ] ?
8413 event :
8414 new jQuery.Event( type, typeof event === "object" && event );
8415
8416 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8417 event.isTrigger = onlyHandlers ? 2 : 3;
8418 event.namespace = namespaces.join( "." );
8419 event.rnamespace = event.namespace ?
8420 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8421 null;
8422
8423 // Clean up the event in case it is being reused
8424 event.result = undefined;
8425 if ( !event.target ) {
8426 event.target = elem;
8427 }
8428
8429 // Clone any incoming data and prepend the event, creating the handler arg list
8430 data = data == null ?
8431 [ event ] :
8432 jQuery.makeArray( data, [ event ] );
8433
8434 // Allow special events to draw outside the lines
8435 special = jQuery.event.special[ type ] || {};
8436 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8437 return;
8438 }
8439
8440 // Determine event propagation path in advance, per W3C events spec (#9951)
8441 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8442 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
8443
8444 bubbleType = special.delegateType || type;
8445 if ( !rfocusMorph.test( bubbleType + type ) ) {
8446 cur = cur.parentNode;
8447 }
8448 for ( ; cur; cur = cur.parentNode ) {
8449 eventPath.push( cur );
8450 tmp = cur;
8451 }
8452
8453 // Only add window if we got to document (e.g., not plain obj or detached DOM)
8454 if ( tmp === ( elem.ownerDocument || document ) ) {
8455 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8456 }
8457 }
8458
8459 // Fire handlers on the event path
8460 i = 0;
8461 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8462 lastElement = cur;
8463 event.type = i > 1 ?
8464 bubbleType :
8465 special.bindType || type;
8466
8467 // jQuery handler
8468 handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
8469 dataPriv.get( cur, "handle" );
8470 if ( handle ) {
8471 handle.apply( cur, data );
8472 }
8473
8474 // Native handler
8475 handle = ontype && cur[ ontype ];
8476 if ( handle && handle.apply && acceptData( cur ) ) {
8477 event.result = handle.apply( cur, data );
8478 if ( event.result === false ) {
8479 event.preventDefault();
8480 }
8481 }
8482 }
8483 event.type = type;
8484
8485 // If nobody prevented the default action, do it now
8486 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8487
8488 if ( ( !special._default ||
8489 special._default.apply( eventPath.pop(), data ) === false ) &&
8490 acceptData( elem ) ) {
8491
8492 // Call a native DOM method on the target with the same name as the event.
8493 // Don't do default actions on window, that's where global variables be (#6170)
8494 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
8495
8496 // Don't re-trigger an onFOO event when we call its FOO() method
8497 tmp = elem[ ontype ];
8498
8499 if ( tmp ) {
8500 elem[ ontype ] = null;
8501 }
8502
8503 // Prevent re-triggering of the same event, since we already bubbled it above
8504 jQuery.event.triggered = type;
8505
8506 if ( event.isPropagationStopped() ) {
8507 lastElement.addEventListener( type, stopPropagationCallback );
8508 }
8509
8510 elem[ type ]();
8511
8512 if ( event.isPropagationStopped() ) {
8513 lastElement.removeEventListener( type, stopPropagationCallback );
8514 }
8515
8516 jQuery.event.triggered = undefined;
8517
8518 if ( tmp ) {
8519 elem[ ontype ] = tmp;
8520 }
8521 }
8522 }
8523 }
8524
8525 return event.result;
8526 },
8527
8528 // Piggyback on a donor event to simulate a different one
8529 // Used only for `focus(in | out)` events
8530 simulate: function( type, elem, event ) {
8531 var e = jQuery.extend(
8532 new jQuery.Event(),
8533 event,
8534 {
8535 type: type,
8536 isSimulated: true
8537 }
8538 );
8539
8540 jQuery.event.trigger( e, null, elem );
8541 }
8542
8543 } );
8544
8545 jQuery.fn.extend( {
8546
8547 trigger: function( type, data ) {
8548 return this.each( function() {
8549 jQuery.event.trigger( type, data, this );
8550 } );
8551 },
8552 triggerHandler: function( type, data ) {
8553 var elem = this[ 0 ];
8554 if ( elem ) {
8555 return jQuery.event.trigger( type, data, elem, true );
8556 }
8557 }
8558 } );
8559
8560
8561 // Support: Firefox <=44
8562 // Firefox doesn't have focus(in | out) events
8563 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8564 //
8565 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8566 // focus(in | out) events fire after focus & blur events,
8567 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8568 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8569 if ( !support.focusin ) {
8570 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8571
8572 // Attach a single capturing handler on the document while someone wants focusin/focusout
8573 var handler = function( event ) {
8574 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8575 };
8576
8577 jQuery.event.special[ fix ] = {
8578 setup: function() {
8579 var doc = this.ownerDocument || this,
8580 attaches = dataPriv.access( doc, fix );
8581
8582 if ( !attaches ) {
8583 doc.addEventListener( orig, handler, true );
8584 }
8585 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8586 },
8587 teardown: function() {
8588 var doc = this.ownerDocument || this,
8589 attaches = dataPriv.access( doc, fix ) - 1;
8590
8591 if ( !attaches ) {
8592 doc.removeEventListener( orig, handler, true );
8593 dataPriv.remove( doc, fix );
8594
8595 } else {
8596 dataPriv.access( doc, fix, attaches );
8597 }
8598 }
8599 };
8600 } );
8601 }
8602 var location = window.location;
8603
8604 var nonce = Date.now();
8605
8606 var rquery = ( /\?/ );
8607
8608
8609
8610 // Cross-browser xml parsing
8611 jQuery.parseXML = function( data ) {
8612 var xml;
8613 if ( !data || typeof data !== "string" ) {
8614 return null;
8615 }
8616
8617 // Support: IE 9 - 11 only
8618 // IE throws on parseFromString with invalid input.
8619 try {
8620 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8621 } catch ( e ) {
8622 xml = undefined;
8623 }
8624
8625 if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8626 jQuery.error( "Invalid XML: " + data );
8627 }
8628 return xml;
8629 };
8630
8631
8632 var
8633 rbracket = /\[\]$/,
8634 rCRLF = /\r?\n/g,
8635 rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8636 rsubmittable = /^(?:input|select|textarea|keygen)/i;
8637
8638 function buildParams( prefix, obj, traditional, add ) {
8639 var name;
8640
8641 if ( Array.isArray( obj ) ) {
8642
8643 // Serialize array item.
8644 jQuery.each( obj, function( i, v ) {
8645 if ( traditional || rbracket.test( prefix ) ) {
8646
8647 // Treat each array item as a scalar.
8648 add( prefix, v );
8649
8650 } else {
8651
8652 // Item is non-scalar (array or object), encode its numeric index.
8653 buildParams(
8654 prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8655 v,
8656 traditional,
8657 add
8658 );
8659 }
8660 } );
8661
8662 } else if ( !traditional && toType( obj ) === "object" ) {
8663
8664 // Serialize object item.
8665 for ( name in obj ) {
8666 buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8667 }
8668
8669 } else {
8670
8671 // Serialize scalar item.
8672 add( prefix, obj );
8673 }
8674 }
8675
8676 // Serialize an array of form elements or a set of
8677 // key/values into a query string
8678 jQuery.param = function( a, traditional ) {
8679 var prefix,
8680 s = [],
8681 add = function( key, valueOrFunction ) {
8682
8683 // If value is a function, invoke it and use its return value
8684 var value = isFunction( valueOrFunction ) ?
8685 valueOrFunction() :
8686 valueOrFunction;
8687
8688 s[ s.length ] = encodeURIComponent( key ) + "=" +
8689 encodeURIComponent( value == null ? "" : value );
8690 };
8691
8692 if ( a == null ) {
8693 return "";
8694 }
8695
8696 // If an array was passed in, assume that it is an array of form elements.
8697 if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8698
8699 // Serialize the form elements
8700 jQuery.each( a, function() {
8701 add( this.name, this.value );
8702 } );
8703
8704 } else {
8705
8706 // If traditional, encode the "old" way (the way 1.3.2 or older
8707 // did it), otherwise encode params recursively.
8708 for ( prefix in a ) {
8709 buildParams( prefix, a[ prefix ], traditional, add );
8710 }
8711 }
8712
8713 // Return the resulting serialization
8714 return s.join( "&" );
8715 };
8716
8717 jQuery.fn.extend( {
8718 serialize: function() {
8719 return jQuery.param( this.serializeArray() );
8720 },
8721 serializeArray: function() {
8722 return this.map( function() {
8723
8724 // Can add propHook for "elements" to filter or add form elements
8725 var elements = jQuery.prop( this, "elements" );
8726 return elements ? jQuery.makeArray( elements ) : this;
8727 } )
8728 .filter( function() {
8729 var type = this.type;
8730
8731 // Use .is( ":disabled" ) so that fieldset[disabled] works
8732 return this.name && !jQuery( this ).is( ":disabled" ) &&
8733 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8734 ( this.checked || !rcheckableType.test( type ) );
8735 } )
8736 .map( function( i, elem ) {
8737 var val = jQuery( this ).val();
8738
8739 if ( val == null ) {
8740 return null;
8741 }
8742
8743 if ( Array.isArray( val ) ) {
8744 return jQuery.map( val, function( val ) {
8745 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8746 } );
8747 }
8748
8749 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8750 } ).get();
8751 }
8752 } );
8753
8754
8755 var
8756 r20 = /%20/g,
8757 rhash = /#.*$/,
8758 rantiCache = /([?&])_=[^&]*/,
8759 rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
8760
8761 // #7653, #8125, #8152: local protocol detection
8762 rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8763 rnoContent = /^(?:GET|HEAD)$/,
8764 rprotocol = /^\/\//,
8765
8766 /* Prefilters
8767 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8768 * 2) These are called:
8769 * - BEFORE asking for a transport
8770 * - AFTER param serialization (s.data is a string if s.processData is true)
8771 * 3) key is the dataType
8772 * 4) the catchall symbol "*" can be used
8773 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8774 */
8775 prefilters = {},
8776
8777 /* Transports bindings
8778 * 1) key is the dataType
8779 * 2) the catchall symbol "*" can be used
8780 * 3) selection will start with transport dataType and THEN go to "*" if needed
8781 */
8782 transports = {},
8783
8784 // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8785 allTypes = "*/".concat( "*" ),
8786
8787 // Anchor tag for parsing the document origin
8788 originAnchor = document.createElement( "a" );
8789 originAnchor.href = location.href;
8790
8791 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8792 function addToPrefiltersOrTransports( structure ) {
8793
8794 // dataTypeExpression is optional and defaults to "*"
8795 return function( dataTypeExpression, func ) {
8796
8797 if ( typeof dataTypeExpression !== "string" ) {
8798 func = dataTypeExpression;
8799 dataTypeExpression = "*";
8800 }
8801
8802 var dataType,
8803 i = 0,
8804 dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
8805
8806 if ( isFunction( func ) ) {
8807
8808 // For each dataType in the dataTypeExpression
8809 while ( ( dataType = dataTypes[ i++ ] ) ) {
8810
8811 // Prepend if requested
8812 if ( dataType[ 0 ] === "+" ) {
8813 dataType = dataType.slice( 1 ) || "*";
8814 ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
8815
8816 // Otherwise append
8817 } else {
8818 ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
8819 }
8820 }
8821 }
8822 };
8823 }
8824
8825 // Base inspection function for prefilters and transports
8826 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8827
8828 var inspected = {},
8829 seekingTransport = ( structure === transports );
8830
8831 function inspect( dataType ) {
8832 var selected;
8833 inspected[ dataType ] = true;
8834 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8835 var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8836 if ( typeof dataTypeOrTransport === "string" &&
8837 !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8838
8839 options.dataTypes.unshift( dataTypeOrTransport );
8840 inspect( dataTypeOrTransport );
8841 return false;
8842 } else if ( seekingTransport ) {
8843 return !( selected = dataTypeOrTransport );
8844 }
8845 } );
8846 return selected;
8847 }
8848
8849 return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8850 }
8851
8852 // A special extend for ajax options
8853 // that takes "flat" options (not to be deep extended)
8854 // Fixes #9887
8855 function ajaxExtend( target, src ) {
8856 var key, deep,
8857 flatOptions = jQuery.ajaxSettings.flatOptions || {};
8858
8859 for ( key in src ) {
8860 if ( src[ key ] !== undefined ) {
8861 ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
8862 }
8863 }
8864 if ( deep ) {
8865 jQuery.extend( true, target, deep );
8866 }
8867
8868 return target;
8869 }
8870
8871 /* Handles responses to an ajax request:
8872 * - finds the right dataType (mediates between content-type and expected dataType)
8873 * - returns the corresponding response
8874 */
8875 function ajaxHandleResponses( s, jqXHR, responses ) {
8876
8877 var ct, type, finalDataType, firstDataType,
8878 contents = s.contents,
8879 dataTypes = s.dataTypes;
8880
8881 // Remove auto dataType and get content-type in the process
8882 while ( dataTypes[ 0 ] === "*" ) {
8883 dataTypes.shift();
8884 if ( ct === undefined ) {
8885 ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
8886 }
8887 }
8888
8889 // Check if we're dealing with a known content-type
8890 if ( ct ) {
8891 for ( type in contents ) {
8892 if ( contents[ type ] && contents[ type ].test( ct ) ) {
8893 dataTypes.unshift( type );
8894 break;
8895 }
8896 }
8897 }
8898
8899 // Check to see if we have a response for the expected dataType
8900 if ( dataTypes[ 0 ] in responses ) {
8901 finalDataType = dataTypes[ 0 ];
8902 } else {
8903
8904 // Try convertible dataTypes
8905 for ( type in responses ) {
8906 if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
8907 finalDataType = type;
8908 break;
8909 }
8910 if ( !firstDataType ) {
8911 firstDataType = type;
8912 }
8913 }
8914
8915 // Or just use first one
8916 finalDataType = finalDataType || firstDataType;
8917 }
8918
8919 // If we found a dataType
8920 // We add the dataType to the list if needed
8921 // and return the corresponding response
8922 if ( finalDataType ) {
8923 if ( finalDataType !== dataTypes[ 0 ] ) {
8924 dataTypes.unshift( finalDataType );
8925 }
8926 return responses[ finalDataType ];
8927 }
8928 }
8929
8930 /* Chain conversions given the request and the original response
8931 * Also sets the responseXXX fields on the jqXHR instance
8932 */
8933 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8934 var conv2, current, conv, tmp, prev,
8935 converters = {},
8936
8937 // Work with a copy of dataTypes in case we need to modify it for conversion
8938 dataTypes = s.dataTypes.slice();
8939
8940 // Create converters map with lowercased keys
8941 if ( dataTypes[ 1 ] ) {
8942 for ( conv in s.converters ) {
8943 converters[ conv.toLowerCase() ] = s.converters[ conv ];
8944 }
8945 }
8946
8947 current = dataTypes.shift();
8948
8949 // Convert to each sequential dataType
8950 while ( current ) {
8951
8952 if ( s.responseFields[ current ] ) {
8953 jqXHR[ s.responseFields[ current ] ] = response;
8954 }
8955
8956 // Apply the dataFilter if provided
8957 if ( !prev && isSuccess && s.dataFilter ) {
8958 response = s.dataFilter( response, s.dataType );
8959 }
8960
8961 prev = current;
8962 current = dataTypes.shift();
8963
8964 if ( current ) {
8965
8966 // There's only work to do if current dataType is non-auto
8967 if ( current === "*" ) {
8968
8969 current = prev;
8970
8971 // Convert response if prev dataType is non-auto and differs from current
8972 } else if ( prev !== "*" && prev !== current ) {
8973
8974 // Seek a direct converter
8975 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8976
8977 // If none found, seek a pair
8978 if ( !conv ) {
8979 for ( conv2 in converters ) {
8980
8981 // If conv2 outputs current
8982 tmp = conv2.split( " " );
8983 if ( tmp[ 1 ] === current ) {
8984
8985 // If prev can be converted to accepted input
8986 conv = converters[ prev + " " + tmp[ 0 ] ] ||
8987 converters[ "* " + tmp[ 0 ] ];
8988 if ( conv ) {
8989
8990 // Condense equivalence converters
8991 if ( conv === true ) {
8992 conv = converters[ conv2 ];
8993
8994 // Otherwise, insert the intermediate dataType
8995 } else if ( converters[ conv2 ] !== true ) {
8996 current = tmp[ 0 ];
8997 dataTypes.unshift( tmp[ 1 ] );
8998 }
8999 break;
9000 }
9001 }
9002 }
9003 }
9004
9005 // Apply converter (if not an equivalence)
9006 if ( conv !== true ) {
9007
9008 // Unless errors are allowed to bubble, catch and return them
9009 if ( conv && s.throws ) {
9010 response = conv( response );
9011 } else {
9012 try {
9013 response = conv( response );
9014 } catch ( e ) {
9015 return {
9016 state: "parsererror",
9017 error: conv ? e : "No conversion from " + prev + " to " + current
9018 };
9019 }
9020 }
9021 }
9022 }
9023 }
9024 }
9025
9026 return { state: "success", data: response };
9027 }
9028
9029 jQuery.extend( {
9030
9031 // Counter for holding the number of active queries
9032 active: 0,
9033
9034 // Last-Modified header cache for next request
9035 lastModified: {},
9036 etag: {},
9037
9038 ajaxSettings: {
9039 url: location.href,
9040 type: "GET",
9041 isLocal: rlocalProtocol.test( location.protocol ),
9042 global: true,
9043 processData: true,
9044 async: true,
9045 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
9046
9047 /*
9048 timeout: 0,
9049 data: null,
9050 dataType: null,
9051 username: null,
9052 password: null,
9053 cache: null,
9054 throws: false,
9055 traditional: false,
9056 headers: {},
9057 */
9058
9059 accepts: {
9060 "*": allTypes,
9061 text: "text/plain",
9062 html: "text/html",
9063 xml: "application/xml, text/xml",
9064 json: "application/json, text/javascript"
9065 },
9066
9067 contents: {
9068 xml: /\bxml\b/,
9069 html: /\bhtml/,
9070 json: /\bjson\b/
9071 },
9072
9073 responseFields: {
9074 xml: "responseXML",
9075 text: "responseText",
9076 json: "responseJSON"
9077 },
9078
9079 // Data converters
9080 // Keys separate source (or catchall "*") and destination types with a single space
9081 converters: {
9082
9083 // Convert anything to text
9084 "* text": String,
9085
9086 // Text to html (true = no transformation)
9087 "text html": true,
9088
9089 // Evaluate text as a json expression
9090 "text json": JSON.parse,
9091
9092 // Parse text as xml
9093 "text xml": jQuery.parseXML
9094 },
9095
9096 // For options that shouldn't be deep extended:
9097 // you can add your own custom options here if
9098 // and when you create one that shouldn't be
9099 // deep extended (see ajaxExtend)
9100 flatOptions: {
9101 url: true,
9102 context: true
9103 }
9104 },
9105
9106 // Creates a full fledged settings object into target
9107 // with both ajaxSettings and settings fields.
9108 // If target is omitted, writes into ajaxSettings.
9109 ajaxSetup: function( target, settings ) {
9110 return settings ?
9111
9112 // Building a settings object
9113 ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
9114
9115 // Extending ajaxSettings
9116 ajaxExtend( jQuery.ajaxSettings, target );
9117 },
9118
9119 ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
9120 ajaxTransport: addToPrefiltersOrTransports( transports ),
9121
9122 // Main method
9123 ajax: function( url, options ) {
9124
9125 // If url is an object, simulate pre-1.5 signature
9126 if ( typeof url === "object" ) {
9127 options = url;
9128 url = undefined;
9129 }
9130
9131 // Force options to be an object
9132 options = options || {};
9133
9134 var transport,
9135
9136 // URL without anti-cache param
9137 cacheURL,
9138
9139 // Response headers
9140 responseHeadersString,
9141 responseHeaders,
9142
9143 // timeout handle
9144 timeoutTimer,
9145
9146 // Url cleanup var
9147 urlAnchor,
9148
9149 // Request state (becomes false upon send and true upon completion)
9150 completed,
9151
9152 // To know if global events are to be dispatched
9153 fireGlobals,
9154
9155 // Loop variable
9156 i,
9157
9158 // uncached part of the url
9159 uncached,
9160
9161 // Create the final options object
9162 s = jQuery.ajaxSetup( {}, options ),
9163
9164 // Callbacks context
9165 callbackContext = s.context || s,
9166
9167 // Context for global events is callbackContext if it is a DOM node or jQuery collection
9168 globalEventContext = s.context &&
9169 ( callbackContext.nodeType || callbackContext.jquery ) ?
9170 jQuery( callbackContext ) :
9171 jQuery.event,
9172
9173 // Deferreds
9174 deferred = jQuery.Deferred(),
9175 completeDeferred = jQuery.Callbacks( "once memory" ),
9176
9177 // Status-dependent callbacks
9178 statusCode = s.statusCode || {},
9179
9180 // Headers (they are sent all at once)
9181 requestHeaders = {},
9182 requestHeadersNames = {},
9183
9184 // Default abort message
9185 strAbort = "canceled",
9186
9187 // Fake xhr
9188 jqXHR = {
9189 readyState: 0,
9190
9191 // Builds headers hashtable if needed
9192 getResponseHeader: function( key ) {
9193 var match;
9194 if ( completed ) {
9195 if ( !responseHeaders ) {
9196 responseHeaders = {};
9197 while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
9198 responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
9199 ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
9200 .concat( match[ 2 ] );
9201 }
9202 }
9203 match = responseHeaders[ key.toLowerCase() + " " ];
9204 }
9205 return match == null ? null : match.join( ", " );
9206 },
9207
9208 // Raw string
9209 getAllResponseHeaders: function() {
9210 return completed ? responseHeadersString : null;
9211 },
9212
9213 // Caches the header
9214 setRequestHeader: function( name, value ) {
9215 if ( completed == null ) {
9216 name = requestHeadersNames[ name.toLowerCase() ] =
9217 requestHeadersNames[ name.toLowerCase() ] || name;
9218 requestHeaders[ name ] = value;
9219 }
9220 return this;
9221 },
9222
9223 // Overrides response content-type header
9224 overrideMimeType: function( type ) {
9225 if ( completed == null ) {
9226 s.mimeType = type;
9227 }
9228 return this;
9229 },
9230
9231 // Status-dependent callbacks
9232 statusCode: function( map ) {
9233 var code;
9234 if ( map ) {
9235 if ( completed ) {
9236
9237 // Execute the appropriate callbacks
9238 jqXHR.always( map[ jqXHR.status ] );
9239 } else {
9240
9241 // Lazy-add the new callbacks in a way that preserves old ones
9242 for ( code in map ) {
9243 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9244 }
9245 }
9246 }
9247 return this;
9248 },
9249
9250 // Cancel the request
9251 abort: function( statusText ) {
9252 var finalText = statusText || strAbort;
9253 if ( transport ) {
9254 transport.abort( finalText );
9255 }
9256 done( 0, finalText );
9257 return this;
9258 }
9259 };
9260
9261 // Attach deferreds
9262 deferred.promise( jqXHR );
9263
9264 // Add protocol if not provided (prefilters might expect it)
9265 // Handle falsy url in the settings object (#10093: consistency with old signature)
9266 // We also use the url parameter if available
9267 s.url = ( ( url || s.url || location.href ) + "" )
9268 .replace( rprotocol, location.protocol + "//" );
9269
9270 // Alias method option to type as per ticket #12004
9271 s.type = options.method || options.type || s.method || s.type;
9272
9273 // Extract dataTypes list
9274 s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
9275
9276 // A cross-domain request is in order when the origin doesn't match the current origin.
9277 if ( s.crossDomain == null ) {
9278 urlAnchor = document.createElement( "a" );
9279
9280 // Support: IE <=8 - 11, Edge 12 - 15
9281 // IE throws exception on accessing the href property if url is malformed,
9282 // e.g. http://example.com:80x/
9283 try {
9284 urlAnchor.href = s.url;
9285
9286 // Support: IE <=8 - 11 only
9287 // Anchor's host property isn't correctly set when s.url is relative
9288 urlAnchor.href = urlAnchor.href;
9289 s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
9290 urlAnchor.protocol + "//" + urlAnchor.host;
9291 } catch ( e ) {
9292
9293 // If there is an error parsing the URL, assume it is crossDomain,
9294 // it can be rejected by the transport if it is invalid
9295 s.crossDomain = true;
9296 }
9297 }
9298
9299 // Convert data if not already a string
9300 if ( s.data && s.processData && typeof s.data !== "string" ) {
9301 s.data = jQuery.param( s.data, s.traditional );
9302 }
9303
9304 // Apply prefilters
9305 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9306
9307 // If request was aborted inside a prefilter, stop there
9308 if ( completed ) {
9309 return jqXHR;
9310 }
9311
9312 // We can fire global events as of now if asked to
9313 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9314 fireGlobals = jQuery.event && s.global;
9315
9316 // Watch for a new set of requests
9317 if ( fireGlobals && jQuery.active++ === 0 ) {
9318 jQuery.event.trigger( "ajaxStart" );
9319 }
9320
9321 // Uppercase the type
9322 s.type = s.type.toUpperCase();
9323
9324 // Determine if request has content
9325 s.hasContent = !rnoContent.test( s.type );
9326
9327 // Save the URL in case we're toying with the If-Modified-Since
9328 // and/or If-None-Match header later on
9329 // Remove hash to simplify url manipulation
9330 cacheURL = s.url.replace( rhash, "" );
9331
9332 // More options handling for requests with no content
9333 if ( !s.hasContent ) {
9334
9335 // Remember the hash so we can put it back
9336 uncached = s.url.slice( cacheURL.length );
9337
9338 // If data is available and should be processed, append data to url
9339 if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
9340 cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
9341
9342 // #9682: remove data so that it's not used in an eventual retry
9343 delete s.data;
9344 }
9345
9346 // Add or update anti-cache param if needed
9347 if ( s.cache === false ) {
9348 cacheURL = cacheURL.replace( rantiCache, "$1" );
9349 uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
9350 }
9351
9352 // Put hash and anti-cache on the URL that will be requested (gh-1732)
9353 s.url = cacheURL + uncached;
9354
9355 // Change '%20' to '+' if this is encoded form body content (gh-2658)
9356 } else if ( s.data && s.processData &&
9357 ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
9358 s.data = s.data.replace( r20, "+" );
9359 }
9360
9361 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9362 if ( s.ifModified ) {
9363 if ( jQuery.lastModified[ cacheURL ] ) {
9364 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9365 }
9366 if ( jQuery.etag[ cacheURL ] ) {
9367 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9368 }
9369 }
9370
9371 // Set the correct header, if data is being sent
9372 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9373 jqXHR.setRequestHeader( "Content-Type", s.contentType );
9374 }
9375
9376 // Set the Accepts header for the server, depending on the dataType
9377 jqXHR.setRequestHeader(
9378 "Accept",
9379 s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
9380 s.accepts[ s.dataTypes[ 0 ] ] +
9381 ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9382 s.accepts[ "*" ]
9383 );
9384
9385 // Check for headers option
9386 for ( i in s.headers ) {
9387 jqXHR.setRequestHeader( i, s.headers[ i ] );
9388 }
9389
9390 // Allow custom headers/mimetypes and early abort
9391 if ( s.beforeSend &&
9392 ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
9393
9394 // Abort if not done already and return
9395 return jqXHR.abort();
9396 }
9397
9398 // Aborting is no longer a cancellation
9399 strAbort = "abort";
9400
9401 // Install callbacks on deferreds
9402 completeDeferred.add( s.complete );
9403 jqXHR.done( s.success );
9404 jqXHR.fail( s.error );
9405
9406 // Get transport
9407 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9408
9409 // If no transport, we auto-abort
9410 if ( !transport ) {
9411 done( -1, "No Transport" );
9412 } else {
9413 jqXHR.readyState = 1;
9414
9415 // Send global event
9416 if ( fireGlobals ) {
9417 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9418 }
9419
9420 // If request was aborted inside ajaxSend, stop there
9421 if ( completed ) {
9422 return jqXHR;
9423 }
9424
9425 // Timeout
9426 if ( s.async && s.timeout > 0 ) {
9427 timeoutTimer = window.setTimeout( function() {
9428 jqXHR.abort( "timeout" );
9429 }, s.timeout );
9430 }
9431
9432 try {
9433 completed = false;
9434 transport.send( requestHeaders, done );
9435 } catch ( e ) {
9436
9437 // Rethrow post-completion exceptions
9438 if ( completed ) {
9439 throw e;
9440 }
9441
9442 // Propagate others as results
9443 done( -1, e );
9444 }
9445 }
9446
9447 // Callback for when everything is done
9448 function done( status, nativeStatusText, responses, headers ) {
9449 var isSuccess, success, error, response, modified,
9450 statusText = nativeStatusText;
9451
9452 // Ignore repeat invocations
9453 if ( completed ) {
9454 return;
9455 }
9456
9457 completed = true;
9458
9459 // Clear timeout if it exists
9460 if ( timeoutTimer ) {
9461 window.clearTimeout( timeoutTimer );
9462 }
9463
9464 // Dereference transport for early garbage collection
9465 // (no matter how long the jqXHR object will be used)
9466 transport = undefined;
9467
9468 // Cache response headers
9469 responseHeadersString = headers || "";
9470
9471 // Set readyState
9472 jqXHR.readyState = status > 0 ? 4 : 0;
9473
9474 // Determine if successful
9475 isSuccess = status >= 200 && status < 300 || status === 304;
9476
9477 // Get response data
9478 if ( responses ) {
9479 response = ajaxHandleResponses( s, jqXHR, responses );
9480 }
9481
9482 // Convert no matter what (that way responseXXX fields are always set)
9483 response = ajaxConvert( s, response, jqXHR, isSuccess );
9484
9485 // If successful, handle type chaining
9486 if ( isSuccess ) {
9487
9488 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9489 if ( s.ifModified ) {
9490 modified = jqXHR.getResponseHeader( "Last-Modified" );
9491 if ( modified ) {
9492 jQuery.lastModified[ cacheURL ] = modified;
9493 }
9494 modified = jqXHR.getResponseHeader( "etag" );
9495 if ( modified ) {
9496 jQuery.etag[ cacheURL ] = modified;
9497 }
9498 }
9499
9500 // if no content
9501 if ( status === 204 || s.type === "HEAD" ) {
9502 statusText = "nocontent";
9503
9504 // if not modified
9505 } else if ( status === 304 ) {
9506 statusText = "notmodified";
9507
9508 // If we have data, let's convert it
9509 } else {
9510 statusText = response.state;
9511 success = response.data;
9512 error = response.error;
9513 isSuccess = !error;
9514 }
9515 } else {
9516
9517 // Extract error from statusText and normalize for non-aborts
9518 error = statusText;
9519 if ( status || !statusText ) {
9520 statusText = "error";
9521 if ( status < 0 ) {
9522 status = 0;
9523 }
9524 }
9525 }
9526
9527 // Set data for the fake xhr object
9528 jqXHR.status = status;
9529 jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9530
9531 // Success/Error
9532 if ( isSuccess ) {
9533 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9534 } else {
9535 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9536 }
9537
9538 // Status-dependent callbacks
9539 jqXHR.statusCode( statusCode );
9540 statusCode = undefined;
9541
9542 if ( fireGlobals ) {
9543 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9544 [ jqXHR, s, isSuccess ? success : error ] );
9545 }
9546
9547 // Complete
9548 completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9549
9550 if ( fireGlobals ) {
9551 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9552
9553 // Handle the global AJAX counter
9554 if ( !( --jQuery.active ) ) {
9555 jQuery.event.trigger( "ajaxStop" );
9556 }
9557 }
9558 }
9559
9560 return jqXHR;
9561 },
9562
9563 getJSON: function( url, data, callback ) {
9564 return jQuery.get( url, data, callback, "json" );
9565 },
9566
9567 getScript: function( url, callback ) {
9568 return jQuery.get( url, undefined, callback, "script" );
9569 }
9570 } );
9571
9572 jQuery.each( [ "get", "post" ], function( i, method ) {
9573 jQuery[ method ] = function( url, data, callback, type ) {
9574
9575 // Shift arguments if data argument was omitted
9576 if ( isFunction( data ) ) {
9577 type = type || callback;
9578 callback = data;
9579 data = undefined;
9580 }
9581
9582 // The url can be an options object (which then must have .url)
9583 return jQuery.ajax( jQuery.extend( {
9584 url: url,
9585 type: method,
9586 dataType: type,
9587 data: data,
9588 success: callback
9589 }, jQuery.isPlainObject( url ) && url ) );
9590 };
9591 } );
9592
9593
9594 jQuery._evalUrl = function( url, options ) {
9595 return jQuery.ajax( {
9596 url: url,
9597
9598 // Make this explicit, since user can override this through ajaxSetup (#11264)
9599 type: "GET",
9600 dataType: "script",
9601 cache: true,
9602 async: false,
9603 global: false,
9604
9605 // Only evaluate the response if it is successful (gh-4126)
9606 // dataFilter is not invoked for failure responses, so using it instead
9607 // of the default converter is kludgy but it works.
9608 converters: {
9609 "text script": function() {}
9610 },
9611 dataFilter: function( response ) {
9612 jQuery.globalEval( response, options );
9613 }
9614 } );
9615 };
9616
9617
9618 jQuery.fn.extend( {
9619 wrapAll: function( html ) {
9620 var wrap;
9621
9622 if ( this[ 0 ] ) {
9623 if ( isFunction( html ) ) {
9624 html = html.call( this[ 0 ] );
9625 }
9626
9627 // The elements to wrap the target around
9628 wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9629
9630 if ( this[ 0 ].parentNode ) {
9631 wrap.insertBefore( this[ 0 ] );
9632 }
9633
9634 wrap.map( function() {
9635 var elem = this;
9636
9637 while ( elem.firstElementChild ) {
9638 elem = elem.firstElementChild;
9639 }
9640
9641 return elem;
9642 } ).append( this );
9643 }
9644
9645 return this;
9646 },
9647
9648 wrapInner: function( html ) {
9649 if ( isFunction( html ) ) {
9650 return this.each( function( i ) {
9651 jQuery( this ).wrapInner( html.call( this, i ) );
9652 } );
9653 }
9654
9655 return this.each( function() {
9656 var self = jQuery( this ),
9657 contents = self.contents();
9658
9659 if ( contents.length ) {
9660 contents.wrapAll( html );
9661
9662 } else {
9663 self.append( html );
9664 }
9665 } );
9666 },
9667
9668 wrap: function( html ) {
9669 var htmlIsFunction = isFunction( html );
9670
9671 return this.each( function( i ) {
9672 jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
9673 } );
9674 },
9675
9676 unwrap: function( selector ) {
9677 this.parent( selector ).not( "body" ).each( function() {
9678 jQuery( this ).replaceWith( this.childNodes );
9679 } );
9680 return this;
9681 }
9682 } );
9683
9684
9685 jQuery.expr.pseudos.hidden = function( elem ) {
9686 return !jQuery.expr.pseudos.visible( elem );
9687 };
9688 jQuery.expr.pseudos.visible = function( elem ) {
9689 return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9690 };
9691
9692
9693
9694
9695 jQuery.ajaxSettings.xhr = function() {
9696 try {
9697 return new window.XMLHttpRequest();
9698 } catch ( e ) {}
9699 };
9700
9701 var xhrSuccessStatus = {
9702
9703 // File protocol always yields status code 0, assume 200
9704 0: 200,
9705
9706 // Support: IE <=9 only
9707 // #1450: sometimes IE returns 1223 when it should be 204
9708 1223: 204
9709 },
9710 xhrSupported = jQuery.ajaxSettings.xhr();
9711
9712 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9713 support.ajax = xhrSupported = !!xhrSupported;
9714
9715 jQuery.ajaxTransport( function( options ) {
9716 var callback, errorCallback;
9717
9718 // Cross domain only allowed if supported through XMLHttpRequest
9719 if ( support.cors || xhrSupported && !options.crossDomain ) {
9720 return {
9721 send: function( headers, complete ) {
9722 var i,
9723 xhr = options.xhr();
9724
9725 xhr.open(
9726 options.type,
9727 options.url,
9728 options.async,
9729 options.username,
9730 options.password
9731 );
9732
9733 // Apply custom fields if provided
9734 if ( options.xhrFields ) {
9735 for ( i in options.xhrFields ) {
9736 xhr[ i ] = options.xhrFields[ i ];
9737 }
9738 }
9739
9740 // Override mime type if needed
9741 if ( options.mimeType && xhr.overrideMimeType ) {
9742 xhr.overrideMimeType( options.mimeType );
9743 }
9744
9745 // X-Requested-With header
9746 // For cross-domain requests, seeing as conditions for a preflight are
9747 // akin to a jigsaw puzzle, we simply never set it to be sure.
9748 // (it can always be set on a per-request basis or even using ajaxSetup)
9749 // For same-domain requests, won't change header if already provided.
9750 if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
9751 headers[ "X-Requested-With" ] = "XMLHttpRequest";
9752 }
9753
9754 // Set headers
9755 for ( i in headers ) {
9756 xhr.setRequestHeader( i, headers[ i ] );
9757 }
9758
9759 // Callback
9760 callback = function( type ) {
9761 return function() {
9762 if ( callback ) {
9763 callback = errorCallback = xhr.onload =
9764 xhr.onerror = xhr.onabort = xhr.ontimeout =
9765 xhr.onreadystatechange = null;
9766
9767 if ( type === "abort" ) {
9768 xhr.abort();
9769 } else if ( type === "error" ) {
9770
9771 // Support: IE <=9 only
9772 // On a manual native abort, IE9 throws
9773 // errors on any property access that is not readyState
9774 if ( typeof xhr.status !== "number" ) {
9775 complete( 0, "error" );
9776 } else {
9777 complete(
9778
9779 // File: protocol always yields status 0; see #8605, #14207
9780 xhr.status,
9781 xhr.statusText
9782 );
9783 }
9784 } else {
9785 complete(
9786 xhrSuccessStatus[ xhr.status ] || xhr.status,
9787 xhr.statusText,
9788
9789 // Support: IE <=9 only
9790 // IE9 has no XHR2 but throws on binary (trac-11426)
9791 // For XHR2 non-text, let the caller handle it (gh-2498)
9792 ( xhr.responseType || "text" ) !== "text" ||
9793 typeof xhr.responseText !== "string" ?
9794 { binary: xhr.response } :
9795 { text: xhr.responseText },
9796 xhr.getAllResponseHeaders()
9797 );
9798 }
9799 }
9800 };
9801 };
9802
9803 // Listen to events
9804 xhr.onload = callback();
9805 errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
9806
9807 // Support: IE 9 only
9808 // Use onreadystatechange to replace onabort
9809 // to handle uncaught aborts
9810 if ( xhr.onabort !== undefined ) {
9811 xhr.onabort = errorCallback;
9812 } else {
9813 xhr.onreadystatechange = function() {
9814
9815 // Check readyState before timeout as it changes
9816 if ( xhr.readyState === 4 ) {
9817
9818 // Allow onerror to be called first,
9819 // but that will not handle a native abort
9820 // Also, save errorCallback to a variable
9821 // as xhr.onerror cannot be accessed
9822 window.setTimeout( function() {
9823 if ( callback ) {
9824 errorCallback();
9825 }
9826 } );
9827 }
9828 };
9829 }
9830
9831 // Create the abort callback
9832 callback = callback( "abort" );
9833
9834 try {
9835
9836 // Do send the request (this may raise an exception)
9837 xhr.send( options.hasContent && options.data || null );
9838 } catch ( e ) {
9839
9840 // #14683: Only rethrow if this hasn't been notified as an error yet
9841 if ( callback ) {
9842 throw e;
9843 }
9844 }
9845 },
9846
9847 abort: function() {
9848 if ( callback ) {
9849 callback();
9850 }
9851 }
9852 };
9853 }
9854 } );
9855
9856
9857
9858
9859 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
9860 jQuery.ajaxPrefilter( function( s ) {
9861 if ( s.crossDomain ) {
9862 s.contents.script = false;
9863 }
9864 } );
9865
9866 // Install script dataType
9867 jQuery.ajaxSetup( {
9868 accepts: {
9869 script: "text/javascript, application/javascript, " +
9870 "application/ecmascript, application/x-ecmascript"
9871 },
9872 contents: {
9873 script: /\b(?:java|ecma)script\b/
9874 },
9875 converters: {
9876 "text script": function( text ) {
9877 jQuery.globalEval( text );
9878 return text;
9879 }
9880 }
9881 } );
9882
9883 // Handle cache's special case and crossDomain
9884 jQuery.ajaxPrefilter( "script", function( s ) {
9885 if ( s.cache === undefined ) {
9886 s.cache = false;
9887 }
9888 if ( s.crossDomain ) {
9889 s.type = "GET";
9890 }
9891 } );
9892
9893 // Bind script tag hack transport
9894 jQuery.ajaxTransport( "script", function( s ) {
9895
9896 // This transport only deals with cross domain or forced-by-attrs requests
9897 if ( s.crossDomain || s.scriptAttrs ) {
9898 var script, callback;
9899 return {
9900 send: function( _, complete ) {
9901 script = jQuery( "<script>" )
9902 .attr( s.scriptAttrs || {} )
9903 .prop( { charset: s.scriptCharset, src: s.url } )
9904 .on( "load error", callback = function( evt ) {
9905 script.remove();
9906 callback = null;
9907 if ( evt ) {
9908 complete( evt.type === "error" ? 404 : 200, evt.type );
9909 }
9910 } );
9911
9912 // Use native DOM manipulation to avoid our domManip AJAX trickery
9913 document.head.appendChild( script[ 0 ] );
9914 },
9915 abort: function() {
9916 if ( callback ) {
9917 callback();
9918 }
9919 }
9920 };
9921 }
9922 } );
9923
9924
9925
9926
9927 var oldCallbacks = [],
9928 rjsonp = /(=)\?(?=&|$)|\?\?/;
9929
9930 // Default jsonp settings
9931 jQuery.ajaxSetup( {
9932 jsonp: "callback",
9933 jsonpCallback: function() {
9934 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9935 this[ callback ] = true;
9936 return callback;
9937 }
9938 } );
9939
9940 // Detect, normalize options and install callbacks for jsonp requests
9941 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9942
9943 var callbackName, overwritten, responseContainer,
9944 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9945 "url" :
9946 typeof s.data === "string" &&
9947 ( s.contentType || "" )
9948 .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
9949 rjsonp.test( s.data ) && "data"
9950 );
9951
9952 // Handle iff the expected data type is "jsonp" or we have a parameter to set
9953 if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9954
9955 // Get callback name, remembering preexisting value associated with it
9956 callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
9957 s.jsonpCallback() :
9958 s.jsonpCallback;
9959
9960 // Insert callback into url or form data
9961 if ( jsonProp ) {
9962 s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9963 } else if ( s.jsonp !== false ) {
9964 s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9965 }
9966
9967 // Use data converter to retrieve json after script execution
9968 s.converters[ "script json" ] = function() {
9969 if ( !responseContainer ) {
9970 jQuery.error( callbackName + " was not called" );
9971 }
9972 return responseContainer[ 0 ];
9973 };
9974
9975 // Force json dataType
9976 s.dataTypes[ 0 ] = "json";
9977
9978 // Install callback
9979 overwritten = window[ callbackName ];
9980 window[ callbackName ] = function() {
9981 responseContainer = arguments;
9982 };
9983
9984 // Clean-up function (fires after converters)
9985 jqXHR.always( function() {
9986
9987 // If previous value didn't exist - remove it
9988 if ( overwritten === undefined ) {
9989 jQuery( window ).removeProp( callbackName );
9990
9991 // Otherwise restore preexisting value
9992 } else {
9993 window[ callbackName ] = overwritten;
9994 }
9995
9996 // Save back as free
9997 if ( s[ callbackName ] ) {
9998
9999 // Make sure that re-using the options doesn't screw things around
10000 s.jsonpCallback = originalSettings.jsonpCallback;
10001
10002 // Save the callback name for future use
10003 oldCallbacks.push( callbackName );
10004 }
10005
10006 // Call if it was a function and we have a response
10007 if ( responseContainer && isFunction( overwritten ) ) {
10008 overwritten( responseContainer[ 0 ] );
10009 }
10010
10011 responseContainer = overwritten = undefined;
10012 } );
10013
10014 // Delegate to script
10015 return "script";
10016 }
10017 } );
10018
10019
10020
10021
10022 // Support: Safari 8 only
10023 // In Safari 8 documents created via document.implementation.createHTMLDocument
10024 // collapse sibling forms: the second one becomes a child of the first one.
10025 // Because of that, this security measure has to be disabled in Safari 8.
10026 // https://bugs.webkit.org/show_bug.cgi?id=137337
10027 support.createHTMLDocument = ( function() {
10028 var body = document.implementation.createHTMLDocument( "" ).body;
10029 body.innerHTML = "<form></form><form></form>";
10030 return body.childNodes.length === 2;
10031 } )();
10032
10033
10034 // Argument "data" should be string of html
10035 // context (optional): If specified, the fragment will be created in this context,
10036 // defaults to document
10037 // keepScripts (optional): If true, will include scripts passed in the html string
10038 jQuery.parseHTML = function( data, context, keepScripts ) {
10039 if ( typeof data !== "string" ) {
10040 return [];
10041 }
10042 if ( typeof context === "boolean" ) {
10043 keepScripts = context;
10044 context = false;
10045 }
10046
10047 var base, parsed, scripts;
10048
10049 if ( !context ) {
10050
10051 // Stop scripts or inline event handlers from being executed immediately
10052 // by using document.implementation
10053 if ( support.createHTMLDocument ) {
10054 context = document.implementation.createHTMLDocument( "" );
10055
10056 // Set the base href for the created document
10057 // so any parsed elements with URLs
10058 // are based on the document's URL (gh-2965)
10059 base = context.createElement( "base" );
10060 base.href = document.location.href;
10061 context.head.appendChild( base );
10062 } else {
10063 context = document;
10064 }
10065 }
10066
10067 parsed = rsingleTag.exec( data );
10068 scripts = !keepScripts && [];
10069
10070 // Single tag
10071 if ( parsed ) {
10072 return [ context.createElement( parsed[ 1 ] ) ];
10073 }
10074
10075 parsed = buildFragment( [ data ], context, scripts );
10076
10077 if ( scripts && scripts.length ) {
10078 jQuery( scripts ).remove();
10079 }
10080
10081 return jQuery.merge( [], parsed.childNodes );
10082 };
10083
10084
10085 /**
10086 * Load a url into a page
10087 */
10088 jQuery.fn.load = function( url, params, callback ) {
10089 var selector, type, response,
10090 self = this,
10091 off = url.indexOf( " " );
10092
10093 if ( off > -1 ) {
10094 selector = stripAndCollapse( url.slice( off ) );
10095 url = url.slice( 0, off );
10096 }
10097
10098 // If it's a function
10099 if ( isFunction( params ) ) {
10100
10101 // We assume that it's the callback
10102 callback = params;
10103 params = undefined;
10104
10105 // Otherwise, build a param string
10106 } else if ( params && typeof params === "object" ) {
10107 type = "POST";
10108 }
10109
10110 // If we have elements to modify, make the request
10111 if ( self.length > 0 ) {
10112 jQuery.ajax( {
10113 url: url,
10114
10115 // If "type" variable is undefined, then "GET" method will be used.
10116 // Make value of this field explicit since
10117 // user can override it through ajaxSetup method
10118 type: type || "GET",
10119 dataType: "html",
10120 data: params
10121 } ).done( function( responseText ) {
10122
10123 // Save response for use in complete callback
10124 response = arguments;
10125
10126 self.html( selector ?
10127
10128 // If a selector was specified, locate the right elements in a dummy div
10129 // Exclude scripts to avoid IE 'Permission Denied' errors
10130 jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
10131
10132 // Otherwise use the full result
10133 responseText );
10134
10135 // If the request succeeds, this function gets "data", "status", "jqXHR"
10136 // but they are ignored because response was set above.
10137 // If it fails, this function gets "jqXHR", "status", "error"
10138 } ).always( callback && function( jqXHR, status ) {
10139 self.each( function() {
10140 callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
10141 } );
10142 } );
10143 }
10144
10145 return this;
10146 };
10147
10148
10149
10150
10151 // Attach a bunch of functions for handling common AJAX events
10152 jQuery.each( [
10153 "ajaxStart",
10154 "ajaxStop",
10155 "ajaxComplete",
10156 "ajaxError",
10157 "ajaxSuccess",
10158 "ajaxSend"
10159 ], function( i, type ) {
10160 jQuery.fn[ type ] = function( fn ) {
10161 return this.on( type, fn );
10162 };
10163 } );
10164
10165
10166
10167
10168 jQuery.expr.pseudos.animated = function( elem ) {
10169 return jQuery.grep( jQuery.timers, function( fn ) {
10170 return elem === fn.elem;
10171 } ).length;
10172 };
10173
10174
10175
10176
10177 jQuery.offset = {
10178 setOffset: function( elem, options, i ) {
10179 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10180 position = jQuery.css( elem, "position" ),
10181 curElem = jQuery( elem ),
10182 props = {};
10183
10184 // Set position first, in-case top/left are set even on static elem
10185 if ( position === "static" ) {
10186 elem.style.position = "relative";
10187 }
10188
10189 curOffset = curElem.offset();
10190 curCSSTop = jQuery.css( elem, "top" );
10191 curCSSLeft = jQuery.css( elem, "left" );
10192 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10193 ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
10194
10195 // Need to be able to calculate position if either
10196 // top or left is auto and position is either absolute or fixed
10197 if ( calculatePosition ) {
10198 curPosition = curElem.position();
10199 curTop = curPosition.top;
10200 curLeft = curPosition.left;
10201
10202 } else {
10203 curTop = parseFloat( curCSSTop ) || 0;
10204 curLeft = parseFloat( curCSSLeft ) || 0;
10205 }
10206
10207 if ( isFunction( options ) ) {
10208
10209 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
10210 options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
10211 }
10212
10213 if ( options.top != null ) {
10214 props.top = ( options.top - curOffset.top ) + curTop;
10215 }
10216 if ( options.left != null ) {
10217 props.left = ( options.left - curOffset.left ) + curLeft;
10218 }
10219
10220 if ( "using" in options ) {
10221 options.using.call( elem, props );
10222
10223 } else {
10224 curElem.css( props );
10225 }
10226 }
10227 };
10228
10229 jQuery.fn.extend( {
10230
10231 // offset() relates an element's border box to the document origin
10232 offset: function( options ) {
10233
10234 // Preserve chaining for setter
10235 if ( arguments.length ) {
10236 return options === undefined ?
10237 this :
10238 this.each( function( i ) {
10239 jQuery.offset.setOffset( this, options, i );
10240 } );
10241 }
10242
10243 var rect, win,
10244 elem = this[ 0 ];
10245
10246 if ( !elem ) {
10247 return;
10248 }
10249
10250 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
10251 // Support: IE <=11 only
10252 // Running getBoundingClientRect on a
10253 // disconnected node in IE throws an error
10254 if ( !elem.getClientRects().length ) {
10255 return { top: 0, left: 0 };
10256 }
10257
10258 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
10259 rect = elem.getBoundingClientRect();
10260 win = elem.ownerDocument.defaultView;
10261 return {
10262 top: rect.top + win.pageYOffset,
10263 left: rect.left + win.pageXOffset
10264 };
10265 },
10266
10267 // position() relates an element's margin box to its offset parent's padding box
10268 // This corresponds to the behavior of CSS absolute positioning
10269 position: function() {
10270 if ( !this[ 0 ] ) {
10271 return;
10272 }
10273
10274 var offsetParent, offset, doc,
10275 elem = this[ 0 ],
10276 parentOffset = { top: 0, left: 0 };
10277
10278 // position:fixed elements are offset from the viewport, which itself always has zero offset
10279 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10280
10281 // Assume position:fixed implies availability of getBoundingClientRect
10282 offset = elem.getBoundingClientRect();
10283
10284 } else {
10285 offset = this.offset();
10286
10287 // Account for the *real* offset parent, which can be the document or its root element
10288 // when a statically positioned element is identified
10289 doc = elem.ownerDocument;
10290 offsetParent = elem.offsetParent || doc.documentElement;
10291 while ( offsetParent &&
10292 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
10293 jQuery.css( offsetParent, "position" ) === "static" ) {
10294
10295 offsetParent = offsetParent.parentNode;
10296 }
10297 if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
10298
10299 // Incorporate borders into its offset, since they are outside its content origin
10300 parentOffset = jQuery( offsetParent ).offset();
10301 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
10302 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
10303 }
10304 }
10305
10306 // Subtract parent offsets and element margins
10307 return {
10308 top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10309 left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
10310 };
10311 },
10312
10313 // This method will return documentElement in the following cases:
10314 // 1) For the element inside the iframe without offsetParent, this method will return
10315 // documentElement of the parent window
10316 // 2) For the hidden or detached element
10317 // 3) For body or html element, i.e. in case of the html node - it will return itself
10318 //
10319 // but those exceptions were never presented as a real life use-cases
10320 // and might be considered as more preferable results.
10321 //
10322 // This logic, however, is not guaranteed and can change at any point in the future
10323 offsetParent: function() {
10324 return this.map( function() {
10325 var offsetParent = this.offsetParent;
10326
10327 while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
10328 offsetParent = offsetParent.offsetParent;
10329 }
10330
10331 return offsetParent || documentElement;
10332 } );
10333 }
10334 } );
10335
10336 // Create scrollLeft and scrollTop methods
10337 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10338 var top = "pageYOffset" === prop;
10339
10340 jQuery.fn[ method ] = function( val ) {
10341 return access( this, function( elem, method, val ) {
10342
10343 // Coalesce documents and windows
10344 var win;
10345 if ( isWindow( elem ) ) {
10346 win = elem;
10347 } else if ( elem.nodeType === 9 ) {
10348 win = elem.defaultView;
10349 }
10350
10351 if ( val === undefined ) {
10352 return win ? win[ prop ] : elem[ method ];
10353 }
10354
10355 if ( win ) {
10356 win.scrollTo(
10357 !top ? val : win.pageXOffset,
10358 top ? val : win.pageYOffset
10359 );
10360
10361 } else {
10362 elem[ method ] = val;
10363 }
10364 }, method, val, arguments.length );
10365 };
10366 } );
10367
10368 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
10369 // Add the top/left cssHooks using jQuery.fn.position
10370 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10371 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
10372 // getComputedStyle returns percent when specified for top/left/bottom/right;
10373 // rather than make the css module depend on the offset module, just check for it here
10374 jQuery.each( [ "top", "left" ], function( i, prop ) {
10375 jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10376 function( elem, computed ) {
10377 if ( computed ) {
10378 computed = curCSS( elem, prop );
10379
10380 // If curCSS returns percentage, fallback to offset
10381 return rnumnonpx.test( computed ) ?
10382 jQuery( elem ).position()[ prop ] + "px" :
10383 computed;
10384 }
10385 }
10386 );
10387 } );
10388
10389
10390 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10391 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10392 jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
10393 function( defaultExtra, funcName ) {
10394
10395 // Margin is only for outerHeight, outerWidth
10396 jQuery.fn[ funcName ] = function( margin, value ) {
10397 var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10398 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10399
10400 return access( this, function( elem, type, value ) {
10401 var doc;
10402
10403 if ( isWindow( elem ) ) {
10404
10405 // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
10406 return funcName.indexOf( "outer" ) === 0 ?
10407 elem[ "inner" + name ] :
10408 elem.document.documentElement[ "client" + name ];
10409 }
10410
10411 // Get document width or height
10412 if ( elem.nodeType === 9 ) {
10413 doc = elem.documentElement;
10414
10415 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10416 // whichever is greatest
10417 return Math.max(
10418 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10419 elem.body[ "offset" + name ], doc[ "offset" + name ],
10420 doc[ "client" + name ]
10421 );
10422 }
10423
10424 return value === undefined ?
10425
10426 // Get width or height on the element, requesting but not forcing parseFloat
10427 jQuery.css( elem, type, extra ) :
10428
10429 // Set width or height on the element
10430 jQuery.style( elem, type, value, extra );
10431 }, type, chainable ? margin : undefined, chainable );
10432 };
10433 } );
10434 } );
10435
10436
10437 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
10438 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
10439 "change select submit keydown keypress keyup contextmenu" ).split( " " ),
10440 function( i, name ) {
10441
10442 // Handle event binding
10443 jQuery.fn[ name ] = function( data, fn ) {
10444 return arguments.length > 0 ?
10445 this.on( name, null, data, fn ) :
10446 this.trigger( name );
10447 };
10448 } );
10449
10450 jQuery.fn.extend( {
10451 hover: function( fnOver, fnOut ) {
10452 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
10453 }
10454 } );
10455
10456
10457
10458
10459 jQuery.fn.extend( {
10460
10461 bind: function( types, data, fn ) {
10462 return this.on( types, null, data, fn );
10463 },
10464 unbind: function( types, fn ) {
10465 return this.off( types, null, fn );
10466 },
10467
10468 delegate: function( selector, types, data, fn ) {
10469 return this.on( types, selector, data, fn );
10470 },
10471 undelegate: function( selector, types, fn ) {
10472
10473 // ( namespace ) or ( selector, types [, fn] )
10474 return arguments.length === 1 ?
10475 this.off( selector, "**" ) :
10476 this.off( types, selector || "**", fn );
10477 }
10478 } );
10479
10480 // Bind a function to a context, optionally partially applying any
10481 // arguments.
10482 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
10483 // However, it is not slated for removal any time soon
10484 jQuery.proxy = function( fn, context ) {
10485 var tmp, args, proxy;
10486
10487 if ( typeof context === "string" ) {
10488 tmp = fn[ context ];
10489 context = fn;
10490 fn = tmp;
10491 }
10492
10493 // Quick check to determine if target is callable, in the spec
10494 // this throws a TypeError, but we will just return undefined.
10495 if ( !isFunction( fn ) ) {
10496 return undefined;
10497 }
10498
10499 // Simulated bind
10500 args = slice.call( arguments, 2 );
10501 proxy = function() {
10502 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
10503 };
10504
10505 // Set the guid of unique handler to the same of original handler, so it can be removed
10506 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
10507
10508 return proxy;
10509 };
10510
10511 jQuery.holdReady = function( hold ) {
10512 if ( hold ) {
10513 jQuery.readyWait++;
10514 } else {
10515 jQuery.ready( true );
10516 }
10517 };
10518 jQuery.isArray = Array.isArray;
10519 jQuery.parseJSON = JSON.parse;
10520 jQuery.nodeName = nodeName;
10521 jQuery.isFunction = isFunction;
10522 jQuery.isWindow = isWindow;
10523 jQuery.camelCase = camelCase;
10524 jQuery.type = toType;
10525
10526 jQuery.now = Date.now;
10527
10528 jQuery.isNumeric = function( obj ) {
10529
10530 // As of jQuery 3.0, isNumeric is limited to
10531 // strings and numbers (primitives or objects)
10532 // that can be coerced to finite numbers (gh-2662)
10533 var type = jQuery.type( obj );
10534 return ( type === "number" || type === "string" ) &&
10535
10536 // parseFloat NaNs numeric-cast false positives ("")
10537 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
10538 // subtraction forces infinities to NaN
10539 !isNaN( obj - parseFloat( obj ) );
10540 };
10541
10542
10543
10544
10545 // Register as a named AMD module, since jQuery can be concatenated with other
10546 // files that may use define, but not via a proper concatenation script that
10547 // understands anonymous AMD modules. A named AMD is safest and most robust
10548 // way to register. Lowercase jquery is used because AMD module names are
10549 // derived from file names, and jQuery is normally delivered in a lowercase
10550 // file name. Do this after creating the global so that if an AMD module wants
10551 // to call noConflict to hide this version of jQuery, it will work.
10552
10553 // Note that for maximum portability, libraries that are not jQuery should
10554 // declare themselves as anonymous modules, and avoid setting a global if an
10555 // AMD loader is present. jQuery is a special case. For more information, see
10556 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10557
10558 if ( typeof define === "function" && define.amd ) {
10559 define( "jquery", [], function() {
10560 return jQuery;
10561 } );
10562 }
10563
10564
10565
10566
10567 var
10568
10569 // Map over jQuery in case of overwrite
10570 _jQuery = window.jQuery,
10571
10572 // Map over the $ in case of overwrite
10573 _$ = window.$;
10574
10575 jQuery.noConflict = function( deep ) {
10576 if ( window.$ === jQuery ) {
10577 window.$ = _$;
10578 }
10579
10580 if ( deep && window.jQuery === jQuery ) {
10581 window.jQuery = _jQuery;
10582 }
10583
10584 return jQuery;
10585 };
10586
10587 // Expose jQuery and $ identifiers, even in AMD
10588 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10589 // and CommonJS for browser emulators (#13566)
10590 if ( !noGlobal ) {
10591 window.jQuery = window.$ = jQuery;
10592 }
10593
10594
10595
10596
10597 return jQuery;
10598 } );