2 * jQuery JavaScript Library v3.4.1
6 * https://sizzlejs.com/
8 * Copyright JS Foundation and other contributors
9 * Released under the MIT license
10 * https://jquery.org/license
12 * Date: 2019-05-01T21:04Z
14 ( function( global
, factory
) {
18 if ( typeof module
=== "object" && typeof module
.exports
=== "object" ) {
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 ) :
31 throw new Error( "jQuery requires a window with a document" );
39 // Pass this if window is not defined yet
40 } )( typeof window
!== "undefined" ? window
: this, function( window
, noGlobal
) {
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.
50 var document
= window
.document
;
52 var getProto
= Object
.getPrototypeOf
;
54 var slice
= arr
.slice
;
56 var concat
= arr
.concat
;
60 var indexOf
= arr
.indexOf
;
64 var toString
= class2type
.toString
;
66 var hasOwn
= class2type
.hasOwnProperty
;
68 var fnToString
= hasOwn
.toString
;
70 var ObjectFunctionString
= fnToString
.call( Object
);
74 var isFunction
= function isFunction( obj
) {
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";
84 var isWindow
= function isWindow( obj
) {
85 return obj
!= null && obj
=== obj
.window
;
91 var preservedScriptAttributes
= {
98 function DOMEval( code
, node
, doc
) {
99 doc
= doc
|| document
;
102 script
= doc
.createElement( "script" );
106 for ( i
in preservedScriptAttributes
) {
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
118 val
= node
[ i
] || node
.getAttribute
&& node
.getAttribute( i
);
120 script
.setAttribute( i
, val
);
124 doc
.head
.appendChild( script
).parentNode
.removeChild( script
);
128 function toType( obj
) {
133 // Support: Android <=2.3 only (functionish RegExp)
134 return typeof obj
=== "object" || typeof obj
=== "function" ?
135 class2type
[ toString
.call( obj
) ] || "object" :
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
147 // Define a local copy of jQuery
148 jQuery = function( selector
, context
) {
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
);
155 // Support: Android <=4.0 only
156 // Make sure we trim BOM and NBSP
157 rtrim
= /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
159 jQuery
.fn
= jQuery
.prototype = {
161 // The current version of jQuery being used
166 // The default length of a jQuery object is 0
169 toArray: function() {
170 return slice
.call( this );
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
) {
177 // Return all the elements in a clean array
179 return slice
.call( this );
182 // Return just the one element from the set
183 return num
< 0 ? this[ num
+ this.length
] : this[ num
];
186 // Take an array of elements and push it onto the stack
187 // (returning the new matched element set)
188 pushStack: function( elems
) {
190 // Build a new jQuery matched element set
191 var ret
= jQuery
.merge( this.constructor(), elems
);
193 // Add the old object onto the stack (as a reference)
194 ret
.prevObject
= this;
196 // Return the newly-formed element set
200 // Execute a callback for every element in the matched set.
201 each: function( callback
) {
202 return jQuery
.each( this, callback
);
205 map: function( callback
) {
206 return this.pushStack( jQuery
.map( this, function( elem
, i
) {
207 return callback
.call( elem
, i
, elem
);
212 return this.pushStack( slice
.apply( this, arguments
) );
220 return this.eq( -1 );
224 var len
= this.length
,
225 j
= +i
+ ( i
< 0 ? len
: 0 );
226 return this.pushStack( j
>= 0 && j
< len
? [ this[ j
] ] : [] );
230 return this.prevObject
|| this.constructor();
233 // For internal use only.
234 // Behaves like an Array's method, not like a jQuery method.
240 jQuery
.extend
= jQuery
.fn
.extend = function() {
241 var options
, name
, src
, copy
, copyIsArray
, clone
,
242 target
= arguments
[ 0 ] || {},
244 length
= arguments
.length
,
247 // Handle a deep copy situation
248 if ( typeof target
=== "boolean" ) {
251 // Skip the boolean and the target
252 target
= arguments
[ i
] || {};
256 // Handle case when target is a string or something (possible in deep copy)
257 if ( typeof target
!== "object" && !isFunction( target
) ) {
261 // Extend jQuery itself if only one argument is passed
262 if ( i
=== length
) {
267 for ( ; i
< length
; i
++ ) {
269 // Only deal with non-null/undefined values
270 if ( ( options
= arguments
[ i
] ) != null ) {
272 // Extend the base object
273 for ( name
in options
) {
274 copy
= options
[ name
];
276 // Prevent Object.prototype pollution
277 // Prevent never-ending loop
278 if ( name
=== "__proto__" || target
=== copy
) {
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
];
287 // Ensure proper type for the source value
288 if ( copyIsArray
&& !Array
.isArray( src
) ) {
290 } else if ( !copyIsArray
&& !jQuery
.isPlainObject( src
) ) {
297 // Never move original objects, clone them
298 target
[ name
] = jQuery
.extend( deep
, clone
, copy
);
300 // Don't bring in undefined values
301 } else if ( copy
!== undefined ) {
302 target
[ name
] = copy
;
308 // Return the modified object
314 // Unique for each copy of jQuery on the page
315 expando
: "jQuery" + ( version
+ Math
.random() ).replace( /\D/g, "" ),
317 // Assume jQuery is ready without the ready module
320 error: function( msg
) {
321 throw new Error( msg
);
326 isPlainObject: function( obj
) {
329 // Detect obvious negatives
330 // Use toString instead of jQuery.type to catch host objects
331 if ( !obj
|| toString
.call( obj
) !== "[object Object]" ) {
335 proto
= getProto( obj
);
337 // Objects with no prototype (e.g., `Object.create( null )`) are plain
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
;
347 isEmptyObject: function( obj
) {
350 for ( name
in obj
) {
356 // Evaluates a script in a global context
357 globalEval: function( code
, options
) {
358 DOMEval( code
, { nonce
: options
&& options
.nonce
} );
361 each: function( obj
, callback
) {
364 if ( isArrayLike( obj
) ) {
366 for ( ; i
< length
; i
++ ) {
367 if ( callback
.call( obj
[ i
], i
, obj
[ i
] ) === false ) {
373 if ( callback
.call( obj
[ i
], i
, obj
[ i
] ) === false ) {
382 // Support: Android <=4.0 only
383 trim: function( text
) {
384 return text
== null ?
386 ( text
+ "" ).replace( rtrim
, "" );
389 // results is for internal usage only
390 makeArray: function( arr
, results
) {
391 var ret
= results
|| [];
394 if ( isArrayLike( Object( arr
) ) ) {
396 typeof arr
=== "string" ?
400 push
.call( ret
, arr
);
407 inArray: function( elem
, arr
, i
) {
408 return arr
== null ? -1 : indexOf
.call( arr
, elem
, i
);
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
,
418 for ( ; j
< len
; j
++ ) {
419 first
[ i
++ ] = second
[ j
];
427 grep: function( elems
, callback
, invert
) {
431 length
= elems
.length
,
432 callbackExpect
= !invert
;
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
] );
446 // arg is for internal usage only
447 map: function( elems
, callback
, arg
) {
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
);
458 if ( value
!= null ) {
463 // Go through every key on the object,
466 value
= callback( elems
[ i
], i
, arg
);
468 if ( value
!= null ) {
474 // Flatten any nested arrays
475 return concat
.apply( [], ret
);
478 // A global GUID counter for objects
481 // jQuery.support is not used in Core but other projects attach their
482 // properties to it so it needs to exist.
486 if ( typeof Symbol
=== "function" ) {
487 jQuery
.fn
[ Symbol
.iterator
] = arr
[ Symbol
.iterator
];
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();
496 function isArrayLike( obj
) {
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
);
505 if ( isFunction( obj
) || isWindow( obj
) ) {
509 return type
=== "array" || length
=== 0 ||
510 typeof length
=== "number" && length
> 0 && ( length
- 1 ) in obj
;
514 * Sizzle CSS Selector Engine v2.3.4
515 * https://sizzlejs.com/
517 * Copyright JS Foundation and other contributors
518 * Released under the MIT license
519 * https://js.foundation/
523 (function( window
) {
537 // Local document vars
547 // Instance-specific data
548 expando
= "sizzle" + 1 * new Date(),
549 preferredDoc
= window
.document
,
552 classCache
= createCache(),
553 tokenCache
= createCache(),
554 compilerCache
= createCache(),
555 nonnativeSelectorCache
= createCache(),
556 sortOrder = function( a
, b
) {
564 hasOwn
= ({}).hasOwnProperty
,
567 push_native
= arr
.push
,
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
) {
575 for ( ; i
< len
; i
++ ) {
576 if ( list
[i
] === elem
) {
583 booleans
= "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
585 // Regular expressions
587 // http://www.w3.org/TR/css3-selectors/#whitespace
588 whitespace
= "[\\x20\\t\\r\\n\\f]",
590 // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
591 identifier
= "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
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
+
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)
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
+ "+$", "g" ),
615 rcomma
= new RegExp( "^" + whitespace
+ "*," + whitespace
+ "*" ),
616 rcombinators
= new RegExp( "^" + whitespace
+ "*([>+~]|" + whitespace
+ ")" + whitespace
+ "*" ),
617 rdescend
= new RegExp( whitespace
+ "|>" ),
619 rpseudo
= new RegExp( pseudos
),
620 ridentifier
= new RegExp( "^" + identifier
+ "$" ),
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" )
639 rinputs
= /^(?:input|select|textarea|button)$/i,
642 rnative
= /^[^{]+\{\s*\[native \w/,
644 // Easily-parseable/retrievable ID or TAG or CLASS selectors
645 rquickExpr
= /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
650 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
651 runescape
= new RegExp( "\\\\([\\da-f]{1,6}" + whitespace
+ "?|(" + whitespace
+ ")|.)", "ig" ),
652 funescape = function( _
, escaped
, escapedWhitespace
) {
653 var high
= "0x" + escaped
- 0x10000;
654 // NaN means non-codepoint
655 // Support: Firefox<24
656 // Workaround erroneous numeric interpretation of +"0x"
657 return high
!== high
|| escapedWhitespace
?
661 String
.fromCharCode( high
+ 0x10000 ) :
662 // Supplemental Plane codepoint (surrogate pair)
663 String
.fromCharCode( high
>> 10 | 0xD800, high
& 0x3FF | 0xDC00 );
666 // CSS string/identifier serialization
667 // https://drafts.csswg.org/cssom/#common-serializing-idioms
668 rcssescape
= /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
669 fcssescape = function( ch
, asCodePoint
) {
672 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
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 ) + " ";
681 // Other potentially-special ASCII characters get backslash-escaped
687 // Removing the function wrapper causes a "Permission Denied"
689 unloadHandler = function() {
693 inDisabledFieldset
= addCombinator(
695 return elem
.disabled
=== true && elem
.nodeName
.toLowerCase() === "fieldset";
697 { dir
: "parentNode", next
: "legend" }
700 // Optimize for push.apply( _, NodeList )
703 (arr
= slice
.call( preferredDoc
.childNodes
)),
704 preferredDoc
.childNodes
706 // Support: Android<4.0
707 // Detect silently failing push.apply
708 arr
[ preferredDoc
.childNodes
.length
].nodeType
;
710 push
= { apply
: arr
.length
?
712 // Leverage slice if possible
713 function( target
, els
) {
714 push_native
.apply( target
, slice
.call(els
) );
718 // Otherwise append directly
719 function( target
, els
) {
720 var j
= target
.length
,
722 // Can't trust NodeList.length
723 while ( (target
[j
++] = els
[i
++]) ) {}
724 target
.length
= j
- 1;
729 function Sizzle( selector
, context
, results
, seed
) {
730 var m
, i
, elem
, nid
, match
, groups
, newSelector
,
731 newContext
= context
&& context
.ownerDocument
,
733 // nodeType defaults to 9, since context defaults to document
734 nodeType
= context
? context
.nodeType
: 9;
736 results
= results
|| [];
738 // Return early from calls with invalid selector or context
739 if ( typeof selector
!== "string" || !selector
||
740 nodeType
!== 1 && nodeType
!== 9 && nodeType
!== 11 ) {
745 // Try to shortcut find operations (as opposed to filters) in HTML documents
748 if ( ( context
? context
.ownerDocument
|| context
: preferredDoc
) !== document
) {
749 setDocument( context
);
751 context
= context
|| document
;
753 if ( documentIsHTML
) {
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
)) ) {
760 if ( (m
= match
[1]) ) {
763 if ( nodeType
=== 9 ) {
764 if ( (elem
= context
.getElementById( m
)) ) {
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
);
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
) &&
787 results
.push( elem
);
793 } else if ( match
[2] ) {
794 push
.apply( results
, context
.getElementsByTagName( selector
) );
798 } else if ( (m
= match
[3]) && support
.getElementsByClassName
&&
799 context
.getElementsByClassName
) {
801 push
.apply( results
, context
.getElementsByClassName( m
) );
806 // Take advantage of querySelectorAll
808 !nonnativeSelectorCache
[ selector
+ " " ] &&
809 (!rbuggyQSA
|| !rbuggyQSA
.test( selector
)) &&
811 // Support: IE 8 only
812 // Exclude object elements
813 (nodeType
!== 1 || context
.nodeName
.toLowerCase() !== "object") ) {
815 newSelector
= selector
;
816 newContext
= context
;
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
) ) {
825 // Capture the context ID, setting it first if necessary
826 if ( (nid
= context
.getAttribute( "id" )) ) {
827 nid
= nid
.replace( rcssescape
, fcssescape
);
829 context
.setAttribute( "id", (nid
= expando
) );
832 // Prefix every selector in the list
833 groups
= tokenize( selector
);
836 groups
[i
] = "#" + nid
+ " " + toSelector( groups
[i
] );
838 newSelector
= groups
.join( "," );
840 // Expand context for sibling selectors
841 newContext
= rsibling
.test( selector
) && testContext( context
.parentNode
) ||
847 newContext
.querySelectorAll( newSelector
)
850 } catch ( qsaError
) {
851 nonnativeSelectorCache( selector
, true );
853 if ( nid
=== expando
) {
854 context
.removeAttribute( "id" );
862 return select( selector
.replace( rtrim
, "$1" ), context
, results
, seed
);
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
871 function createCache() {
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() ];
880 return (cache
[ key
+ " " ] = value
);
886 * Mark a function for special use by Sizzle
887 * @param {Function} fn The function to mark
889 function markFunction( fn
) {
890 fn
[ expando
] = true;
895 * Support testing using an element
896 * @param {Function} fn Passed the created element and returns a boolean result
898 function assert( fn
) {
899 var el
= document
.createElement("fieldset");
906 // Remove from its parent by default
907 if ( el
.parentNode
) {
908 el
.parentNode
.removeChild( el
);
910 // release memory in IE
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
920 function addHandle( attrs
, handler
) {
921 var arr
= attrs
.split("|"),
925 Expr
.attrHandle
[ arr
[i
] ] = handler
;
930 * Checks document order of two siblings
933 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
935 function siblingCheck( a
, b
) {
937 diff
= cur
&& a
.nodeType
=== 1 && b
.nodeType
=== 1 &&
938 a
.sourceIndex
- b
.sourceIndex
;
940 // Use IE sourceIndex if available on both nodes
945 // Check if b follows a
947 while ( (cur
= cur
.nextSibling
) ) {
958 * Returns a function to use in pseudos for input types
959 * @param {String} type
961 function createInputPseudo( type
) {
962 return function( elem
) {
963 var name
= elem
.nodeName
.toLowerCase();
964 return name
=== "input" && elem
.type
=== type
;
969 * Returns a function to use in pseudos for buttons
970 * @param {String} type
972 function createButtonPseudo( type
) {
973 return function( elem
) {
974 var name
= elem
.nodeName
.toLowerCase();
975 return (name
=== "input" || name
=== "button") && elem
.type
=== type
;
980 * Returns a function to use in pseudos for :enabled/:disabled
981 * @param {Boolean} disabled true for :disabled; false for :enabled
983 function createDisabledPseudo( disabled
) {
985 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
986 return function( elem
) {
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
) {
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 ) {
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
;
1007 return elem
.disabled
=== disabled
;
1011 // Support: IE 6 - 11
1012 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1013 return elem
.isDisabled
=== disabled
||
1015 // Where there is no isDisabled, check manually
1017 elem
.isDisabled
!== !disabled
&&
1018 inDisabledFieldset( elem
) === disabled
;
1021 return elem
.disabled
=== disabled
;
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
;
1030 // Remaining elements are neither :enabled nor :disabled
1036 * Returns a function to use in pseudos for positionals
1037 * @param {Function} fn
1039 function createPositionalPseudo( fn
) {
1040 return markFunction(function( argument
) {
1041 argument
= +argument
;
1042 return markFunction(function( seed
, matches
) {
1044 matchIndexes
= fn( [], seed
.length
, argument
),
1045 i
= matchIndexes
.length
;
1047 // Match elements found at the specified indexes
1049 if ( seed
[ (j
= matchIndexes
[i
]) ] ) {
1050 seed
[j
] = !(matches
[j
] = seed
[j
]);
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
1062 function testContext( context
) {
1063 return context
&& typeof context
.getElementsByTagName
!== "undefined" && context
;
1066 // Expose support vars for convenience
1067 support
= Sizzle
.support
= {};
1071 * @param {Element|Object} elem An element or a document
1072 * @returns {Boolean} True iff elem is a non-HTML XML node
1074 isXML
= Sizzle
.isXML = function( elem
) {
1075 var namespace = elem
.namespaceURI
,
1076 docElem
= (elem
.ownerDocument
|| elem
).documentElement
;
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" );
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
1089 setDocument
= Sizzle
.setDocument = function( node
) {
1090 var hasCompare
, subWindow
,
1091 doc
= node
? node
.ownerDocument
|| node
: preferredDoc
;
1093 // Return early if doc is invalid or already selected
1094 if ( doc
=== document
|| doc
.nodeType
!== 9 || !doc
.documentElement
) {
1098 // Update global variables
1100 docElem
= document
.documentElement
;
1101 documentIsHTML
= !isXML( document
);
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
) {
1108 // Support: IE 11, Edge
1109 if ( subWindow
.addEventListener
) {
1110 subWindow
.addEventListener( "unload", unloadHandler
, false );
1112 // Support: IE 9 - 10 only
1113 } else if ( subWindow
.attachEvent
) {
1114 subWindow
.attachEvent( "onunload", unloadHandler
);
1119 ---------------------------------------------------------------------- */
1122 // Verify that getAttribute really returns attributes and not properties
1123 // (excepting IE8 booleans)
1124 support
.attributes
= assert(function( el
) {
1126 return !el
.getAttribute("className");
1130 ---------------------------------------------------------------------- */
1132 // Check if getElementsByTagName("*") returns only elements
1133 support
.getElementsByTagName
= assert(function( el
) {
1134 el
.appendChild( document
.createComment("") );
1135 return !el
.getElementsByTagName("*").length
;
1139 support
.getElementsByClassName
= rnative
.test( document
.getElementsByClassName
);
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
;
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
;
1158 Expr
.find
["ID"] = function( id
, context
) {
1159 if ( typeof context
.getElementById
!== "undefined" && documentIsHTML
) {
1160 var elem
= context
.getElementById( id
);
1161 return elem
? [ elem
] : [];
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
;
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
) {
1179 elem
= context
.getElementById( id
);
1183 // Verify the id attribute
1184 node
= elem
.getAttributeNode("id");
1185 if ( node
&& node
.value
=== id
) {
1189 // Fall back on getElementsByName
1190 elems
= context
.getElementsByName( id
);
1192 while ( (elem
= elems
[i
++]) ) {
1193 node
= elem
.getAttributeNode("id");
1194 if ( node
&& node
.value
=== id
) {
1206 Expr
.find
["TAG"] = support
.getElementsByTagName
?
1207 function( tag
, context
) {
1208 if ( typeof context
.getElementsByTagName
!== "undefined" ) {
1209 return context
.getElementsByTagName( tag
);
1211 // DocumentFragment nodes don't have gEBTN
1212 } else if ( support
.qsa
) {
1213 return context
.querySelectorAll( tag
);
1217 function( tag
, context
) {
1221 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1222 results
= context
.getElementsByTagName( tag
);
1224 // Filter out possible comments
1225 if ( tag
=== "*" ) {
1226 while ( (elem
= results
[i
++]) ) {
1227 if ( elem
.nodeType
=== 1 ) {
1238 Expr
.find
["CLASS"] = support
.getElementsByClassName
&& function( className
, context
) {
1239 if ( typeof context
.getElementsByClassName
!== "undefined" && documentIsHTML
) {
1240 return context
.getElementsByClassName( className
);
1244 /* QSA/matchesSelector
1245 ---------------------------------------------------------------------- */
1247 // QSA and matchesSelector support
1249 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
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
1259 if ( (support
.qsa
= rnative
.test( document
.querySelectorAll
)) ) {
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>";
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
+ "*(?:''|\"\")" );
1281 // Boolean attributes and "value" are not treated correctly
1282 if ( !el
.querySelectorAll("[selected]").length
) {
1283 rbuggyQSA
.push( "\\[" + whitespace
+ "*(?:value|" + booleans
+ ")" );
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("~=");
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");
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(".#.+[+~]");
1306 assert(function( el
) {
1307 el
.innerHTML
= "<a href='' disabled='disabled'></a>" +
1308 "<select disabled='disabled'><option/></select>";
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" );
1317 // Enforce case-sensitivity of name attribute
1318 if ( el
.querySelectorAll("[name=d]").length
) {
1319 rbuggyQSA
.push( "name" + whitespace
+ "*[*^$|!~]?=" );
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" );
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" );
1335 // Opera 10-11 does not throw on post-comma invalid pseudos
1336 el
.querySelectorAll("*,:x");
1337 rbuggyQSA
.push(",.*:");
1341 if ( (support
.matchesSelector
= rnative
.test( (matches
= docElem
.matches
||
1342 docElem
.webkitMatchesSelector
||
1343 docElem
.mozMatchesSelector
||
1344 docElem
.oMatchesSelector
||
1345 docElem
.msMatchesSelector
) )) ) {
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
, "*" );
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
);
1359 rbuggyQSA
= rbuggyQSA
.length
&& new RegExp( rbuggyQSA
.join("|") );
1360 rbuggyMatches
= rbuggyMatches
.length
&& new RegExp( rbuggyMatches
.join("|") );
1363 ---------------------------------------------------------------------- */
1364 hasCompare
= rnative
.test( docElem
.compareDocumentPosition
);
1366 // Element contains another
1367 // Purposefully self-exclusive
1368 // As in, an element does not contain itself
1369 contains
= hasCompare
|| rnative
.test( docElem
.contains
) ?
1371 var adown
= a
.nodeType
=== 9 ? a
.documentElement
: a
,
1372 bup
= b
&& b
.parentNode
;
1373 return a
=== bup
|| !!( bup
&& bup
.nodeType
=== 1 && (
1375 adown
.contains( bup
) :
1376 a
.compareDocumentPosition
&& a
.compareDocumentPosition( bup
) & 16
1381 while ( (b
= b
.parentNode
) ) {
1391 ---------------------------------------------------------------------- */
1393 // Document order sorting
1394 sortOrder
= hasCompare
?
1397 // Flag for duplicate removal
1399 hasDuplicate
= true;
1403 // Sort on method existence if only one input has compareDocumentPosition
1404 var compare
= !a
.compareDocumentPosition
- !b
.compareDocumentPosition
;
1409 // Calculate position if both inputs belong to the same document
1410 compare
= ( a
.ownerDocument
|| a
) === ( b
.ownerDocument
|| b
) ?
1411 a
.compareDocumentPosition( b
) :
1413 // Otherwise we know they are disconnected
1416 // Disconnected nodes
1418 (!support
.sortDetached
&& b
.compareDocumentPosition( a
) === compare
) ) {
1420 // Choose the first element that is related to our preferred document
1421 if ( a
=== document
|| a
.ownerDocument
=== preferredDoc
&& contains(preferredDoc
, a
) ) {
1424 if ( b
=== document
|| b
.ownerDocument
=== preferredDoc
&& contains(preferredDoc
, b
) ) {
1428 // Maintain original order
1430 ( indexOf( sortInput
, a
) - indexOf( sortInput
, b
) ) :
1434 return compare
& 4 ? -1 : 1;
1437 // Exit early if the nodes are identical
1439 hasDuplicate
= true;
1450 // Parentless nodes are either documents or disconnected
1451 if ( !aup
|| !bup
) {
1452 return a
=== document
? -1 :
1453 b
=== document
? 1 :
1457 ( indexOf( sortInput
, a
) - indexOf( sortInput
, b
) ) :
1460 // If the nodes are siblings, we can do a quick check
1461 } else if ( aup
=== bup
) {
1462 return siblingCheck( a
, b
);
1465 // Otherwise we need full lists of their ancestors for comparison
1467 while ( (cur
= cur
.parentNode
) ) {
1471 while ( (cur
= cur
.parentNode
) ) {
1475 // Walk down the tree looking for a discrepancy
1476 while ( ap
[i
] === bp
[i
] ) {
1481 // Do a sibling check if the nodes have a common ancestor
1482 siblingCheck( ap
[i
], bp
[i
] ) :
1484 // Otherwise nodes in our document sort first
1485 ap
[i
] === preferredDoc
? -1 :
1486 bp
[i
] === preferredDoc
? 1 :
1493 Sizzle
.matches = function( expr
, elements
) {
1494 return Sizzle( expr
, null, null, elements
);
1497 Sizzle
.matchesSelector = function( elem
, expr
) {
1498 // Set document vars if needed
1499 if ( ( elem
.ownerDocument
|| elem
) !== document
) {
1500 setDocument( elem
);
1503 if ( support
.matchesSelector
&& documentIsHTML
&&
1504 !nonnativeSelectorCache
[ expr
+ " " ] &&
1505 ( !rbuggyMatches
|| !rbuggyMatches
.test( expr
) ) &&
1506 ( !rbuggyQSA
|| !rbuggyQSA
.test( expr
) ) ) {
1509 var ret
= matches
.call( elem
, expr
);
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
1515 elem
.document
&& elem
.document
.nodeType
!== 11 ) {
1519 nonnativeSelectorCache( expr
, true );
1523 return Sizzle( expr
, document
, null, [ elem
] ).length
> 0;
1526 Sizzle
.contains = function( context
, elem
) {
1527 // Set document vars if needed
1528 if ( ( context
.ownerDocument
|| context
) !== document
) {
1529 setDocument( context
);
1531 return contains( context
, elem
);
1534 Sizzle
.attr = function( elem
, name
) {
1535 // Set document vars if needed
1536 if ( ( elem
.ownerDocument
|| elem
) !== document
) {
1537 setDocument( elem
);
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
) :
1546 return val
!== undefined ?
1548 support
.attributes
|| !documentIsHTML
?
1549 elem
.getAttribute( name
) :
1550 (val
= elem
.getAttributeNode(name
)) && val
.specified
?
1555 Sizzle
.escape = function( sel
) {
1556 return (sel
+ "").replace( rcssescape
, fcssescape
);
1559 Sizzle
.error = function( msg
) {
1560 throw new Error( "Syntax error, unrecognized expression: " + msg
);
1564 * Document sorting and removing duplicates
1565 * @param {ArrayLike} results
1567 Sizzle
.uniqueSort = function( results
) {
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
);
1578 if ( hasDuplicate
) {
1579 while ( (elem
= results
[i
++]) ) {
1580 if ( elem
=== results
[ i
] ) {
1581 j
= duplicates
.push( i
);
1585 results
.splice( duplicates
[ j
], 1 );
1589 // Clear input after sorting to release objects
1590 // See https://github.com/jquery/sizzle/pull/225
1597 * Utility function for retrieving the text value of an array of DOM nodes
1598 * @param {Array|Element} elem
1600 getText
= Sizzle
.getText = function( elem
) {
1604 nodeType
= elem
.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
);
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
;
1618 // Traverse its children
1619 for ( elem
= elem
.firstChild
; elem
; elem
= elem
.nextSibling
) {
1620 ret
+= getText( elem
);
1623 } else if ( nodeType
=== 3 || nodeType
=== 4 ) {
1624 return elem
.nodeValue
;
1626 // Do not include comment or processing instruction nodes
1631 Expr
= Sizzle
.selectors
= {
1633 // Can be adjusted by the user
1636 createPseudo
: markFunction
,
1645 ">": { dir
: "parentNode", first
: true },
1646 " ": { dir
: "parentNode" },
1647 "+": { dir
: "previousSibling", first
: true },
1648 "~": { dir
: "previousSibling" }
1652 "ATTR": function( match
) {
1653 match
[1] = match
[1].replace( runescape
, funescape
);
1655 // Move the given value to match[3] whether quoted or unquoted
1656 match
[3] = ( match
[3] || match
[4] || match
[5] || "" ).replace( runescape
, funescape
);
1658 if ( match
[2] === "~=" ) {
1659 match
[3] = " " + match
[3] + " ";
1662 return match
.slice( 0, 4 );
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
1673 7 sign of y-component
1676 match
[1] = match
[1].toLowerCase();
1678 if ( match
[1].slice( 0, 3 ) === "nth" ) {
1679 // nth-* requires argument
1681 Sizzle
.error( match
[0] );
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" );
1689 // other types prohibit arguments
1690 } else if ( match
[3] ) {
1691 Sizzle
.error( match
[0] );
1697 "PSEUDO": function( match
) {
1699 unquoted
= !match
[6] && match
[2];
1701 if ( matchExpr
["CHILD"].test( match
[0] ) ) {
1705 // Accept quoted arguments as-is
1707 match
[2] = match
[4] || match
[5] || "";
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
) ) {
1716 // excess is a negative index
1717 match
[0] = match
[0].slice( 0, excess
);
1718 match
[2] = unquoted
.slice( 0, excess
);
1721 // Return only captures needed by the pseudo filter method (type and argument)
1722 return match
.slice( 0, 3 );
1728 "TAG": function( nodeNameSelector
) {
1729 var nodeName
= nodeNameSelector
.replace( runescape
, funescape
).toLowerCase();
1730 return nodeNameSelector
=== "*" ?
1731 function() { return true; } :
1733 return elem
.nodeName
&& elem
.nodeName
.toLowerCase() === nodeName
;
1737 "CLASS": function( className
) {
1738 var pattern
= classCache
[ className
+ " " ];
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") || "" );
1747 "ATTR": function( name
, operator
, check
) {
1748 return function( elem
) {
1749 var result
= Sizzle
.attr( elem
, name
);
1751 if ( result
== null ) {
1752 return operator
=== "!=";
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
+ "-" :
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";
1776 return first
=== 1 && last
=== 0 ?
1778 // Shortcut for :nth-*(n)
1780 return !!elem
.parentNode
;
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
,
1793 // :(first|last|only)-(child|of-type)
1797 while ( (node
= node
[ dir
]) ) {
1799 node
.nodeName
.toLowerCase() === name
:
1800 node
.nodeType
=== 1 ) {
1805 // Reverse direction for :only-* (if we haven't yet done so)
1806 start
= dir
= type
=== "only" && !start
&& "nextSibling";
1811 start
= [ forward
? parent
.firstChild
: parent
.lastChild
];
1813 // non-xml :nth-child(...) stores cache data on `parent`
1814 if ( forward
&& useCache
) {
1816 // Seek `elem` from a previously-cached index
1818 // ...in a gzip-friendly way
1820 outerCache
= node
[ expando
] || (node
[ expando
] = {});
1822 // Support: IE <9 only
1823 // Defend against cloned attroperties (jQuery gh-1709)
1824 uniqueCache
= outerCache
[ node
.uniqueID
] ||
1825 (outerCache
[ node
.uniqueID
] = {});
1827 cache
= uniqueCache
[ type
] || [];
1828 nodeIndex
= cache
[ 0 ] === dirruns
&& cache
[ 1 ];
1829 diff
= nodeIndex
&& cache
[ 2 ];
1830 node
= nodeIndex
&& parent
.childNodes
[ nodeIndex
];
1832 while ( (node
= ++nodeIndex
&& node
&& node
[ dir
] ||
1834 // Fallback to seeking `elem` from the start
1835 (diff
= nodeIndex
= 0) || start
.pop()) ) {
1837 // When found, cache indexes on `parent` and break
1838 if ( node
.nodeType
=== 1 && ++diff
&& node
=== elem
) {
1839 uniqueCache
[ type
] = [ dirruns
, nodeIndex
, diff
];
1845 // Use previously-cached element index if available
1847 // ...in a gzip-friendly way
1849 outerCache
= node
[ expando
] || (node
[ expando
] = {});
1851 // Support: IE <9 only
1852 // Defend against cloned attroperties (jQuery gh-1709)
1853 uniqueCache
= outerCache
[ node
.uniqueID
] ||
1854 (outerCache
[ node
.uniqueID
] = {});
1856 cache
= uniqueCache
[ type
] || [];
1857 nodeIndex
= cache
[ 0 ] === dirruns
&& cache
[ 1 ];
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()) ) {
1869 node
.nodeName
.toLowerCase() === name
:
1870 node
.nodeType
=== 1 ) &&
1873 // Cache the index of each encountered element
1875 outerCache
= node
[ expando
] || (node
[ expando
] = {});
1877 // Support: IE <9 only
1878 // Defend against cloned attroperties (jQuery gh-1709)
1879 uniqueCache
= outerCache
[ node
.uniqueID
] ||
1880 (outerCache
[ node
.uniqueID
] = {});
1882 uniqueCache
[ type
] = [ dirruns
, diff
];
1885 if ( node
=== elem
) {
1893 // Incorporate the offset, then check against cycle size
1895 return diff
=== first
|| ( diff
% first
=== 0 && diff
/ first
>= 0 );
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
1906 fn
= Expr
.pseudos
[ pseudo
] || Expr
.setFilters
[ pseudo
.toLowerCase() ] ||
1907 Sizzle
.error( "unsupported pseudo: " + pseudo
);
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
);
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
) {
1922 matched
= fn( seed
, argument
),
1925 idx
= indexOf( seed
, matched
[i
] );
1926 seed
[ idx
] = !( matches
[ idx
] = matched
[i
] );
1930 return fn( elem
, 0, args
);
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
1946 matcher
= compile( selector
.replace( rtrim
, "$1" ) );
1948 return matcher
[ expando
] ?
1949 markFunction(function( seed
, matches
, context
, xml
) {
1951 unmatched
= matcher( seed
, null, xml
, [] ),
1954 // Match elements unmatched by `matcher`
1956 if ( (elem
= unmatched
[i
]) ) {
1957 seed
[i
] = !(matches
[i
] = elem
);
1961 function( elem
, context
, xml
) {
1963 matcher( input
, null, xml
, results
);
1964 // Don't keep the element (issue #299)
1966 return !results
.pop();
1970 "has": markFunction(function( selector
) {
1971 return function( elem
) {
1972 return Sizzle( selector
, elem
).length
> 0;
1976 "contains": markFunction(function( text
) {
1977 text
= text
.replace( runescape
, funescape
);
1978 return function( elem
) {
1979 return ( elem
.textContent
|| getText( elem
) ).indexOf( text
) > -1;
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
);
1995 lang
= lang
.replace( runescape
, funescape
).toLowerCase();
1996 return function( elem
) {
1999 if ( (elemLang
= documentIsHTML
?
2001 elem
.getAttribute("xml:lang") || elem
.getAttribute("lang")) ) {
2003 elemLang
= elemLang
.toLowerCase();
2004 return elemLang
=== lang
|| elemLang
.indexOf( lang
+ "-" ) === 0;
2006 } while ( (elem
= elem
.parentNode
) && elem
.nodeType
=== 1 );
2012 "target": function( elem
) {
2013 var hash
= window
.location
&& window
.location
.hash
;
2014 return hash
&& hash
.slice( 1 ) === elem
.id
;
2017 "root": function( elem
) {
2018 return elem
=== docElem
;
2021 "focus": function( elem
) {
2022 return elem
=== document
.activeElement
&& (!document
.hasFocus
|| document
.hasFocus()) && !!(elem
.type
|| elem
.href
|| ~elem
.tabIndex
);
2025 // Boolean properties
2026 "enabled": createDisabledPseudo( false ),
2027 "disabled": createDisabledPseudo( true ),
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
);
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
;
2043 return elem
.selected
=== true;
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 ) {
2060 "parent": function( elem
) {
2061 return !Expr
.pseudos
["empty"]( elem
);
2064 // Element/input types
2065 "header": function( elem
) {
2066 return rheader
.test( elem
.nodeName
);
2069 "input": function( elem
) {
2070 return rinputs
.test( elem
.nodeName
);
2073 "button": function( elem
) {
2074 var name
= elem
.nodeName
.toLowerCase();
2075 return name
=== "input" && elem
.type
=== "button" || name
=== "button";
2078 "text": function( elem
) {
2080 return elem
.nodeName
.toLowerCase() === "input" &&
2081 elem
.type
=== "text" &&
2084 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2085 ( (attr
= elem
.getAttribute("type")) == null || attr
.toLowerCase() === "text" );
2088 // Position-in-collection
2089 "first": createPositionalPseudo(function() {
2093 "last": createPositionalPseudo(function( matchIndexes
, length
) {
2094 return [ length
- 1 ];
2097 "eq": createPositionalPseudo(function( matchIndexes
, length
, argument
) {
2098 return [ argument
< 0 ? argument
+ length
: argument
];
2101 "even": createPositionalPseudo(function( matchIndexes
, length
) {
2103 for ( ; i
< length
; i
+= 2 ) {
2104 matchIndexes
.push( i
);
2106 return matchIndexes
;
2109 "odd": createPositionalPseudo(function( matchIndexes
, length
) {
2111 for ( ; i
< length
; i
+= 2 ) {
2112 matchIndexes
.push( i
);
2114 return matchIndexes
;
2117 "lt": createPositionalPseudo(function( matchIndexes
, length
, argument
) {
2118 var i
= argument
< 0 ?
2123 for ( ; --i
>= 0; ) {
2124 matchIndexes
.push( i
);
2126 return matchIndexes
;
2129 "gt": createPositionalPseudo(function( matchIndexes
, length
, argument
) {
2130 var i
= argument
< 0 ? argument
+ length
: argument
;
2131 for ( ; ++i
< length
; ) {
2132 matchIndexes
.push( i
);
2134 return matchIndexes
;
2139 Expr
.pseudos
["nth"] = Expr
.pseudos
["eq"];
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
);
2145 for ( i
in { submit
: true, reset
: true } ) {
2146 Expr
.pseudos
[ i
] = createButtonPseudo( i
);
2149 // Easy API for creating new setFilters
2150 function setFilters() {}
2151 setFilters
.prototype = Expr
.filters
= Expr
.pseudos
;
2152 Expr
.setFilters
= new setFilters();
2154 tokenize
= Sizzle
.tokenize = function( selector
, parseOnly
) {
2155 var matched
, match
, tokens
, type
,
2156 soFar
, groups
, preFilters
,
2157 cached
= tokenCache
[ selector
+ " " ];
2160 return parseOnly
? 0 : cached
.slice( 0 );
2165 preFilters
= Expr
.preFilter
;
2169 // Comma and first run
2170 if ( !matched
|| (match
= rcomma
.exec( soFar
)) ) {
2172 // Don't consume trailing commas as valid
2173 soFar
= soFar
.slice( match
[0].length
) || soFar
;
2175 groups
.push( (tokens
= []) );
2181 if ( (match
= rcombinators
.exec( soFar
)) ) {
2182 matched
= match
.shift();
2185 // Cast descendant combinators to space
2186 type
: match
[0].replace( rtrim
, " " )
2188 soFar
= soFar
.slice( matched
.length
);
2192 for ( type
in Expr
.filter
) {
2193 if ( (match
= matchExpr
[ type
].exec( soFar
)) && (!preFilters
[ type
] ||
2194 (match
= preFilters
[ type
]( match
))) ) {
2195 matched
= match
.shift();
2201 soFar
= soFar
.slice( matched
.length
);
2210 // Return the length of the invalid excess
2211 // if we're just parsing
2212 // Otherwise, throw an error or return tokens
2216 Sizzle
.error( selector
) :
2218 tokenCache( selector
, groups
).slice( 0 );
2221 function toSelector( tokens
) {
2223 len
= tokens
.length
,
2225 for ( ; i
< len
; i
++ ) {
2226 selector
+= tokens
[i
].value
;
2231 function addCombinator( matcher
, combinator
, base
) {
2232 var dir
= combinator
.dir
,
2233 skip
= combinator
.next
,
2235 checkNonElements
= base
&& key
=== "parentNode",
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
);
2249 // Check against all ancestor/preceding elements
2250 function( elem
, context
, xml
) {
2251 var oldCache
, uniqueCache
, outerCache
,
2252 newCache
= [ dirruns
, doneName
];
2254 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2256 while ( (elem
= elem
[ dir
]) ) {
2257 if ( elem
.nodeType
=== 1 || checkNonElements
) {
2258 if ( matcher( elem
, context
, xml
) ) {
2264 while ( (elem
= elem
[ dir
]) ) {
2265 if ( elem
.nodeType
=== 1 || checkNonElements
) {
2266 outerCache
= elem
[ expando
] || (elem
[ expando
] = {});
2268 // Support: IE <9 only
2269 // Defend against cloned attroperties (jQuery gh-1709)
2270 uniqueCache
= outerCache
[ elem
.uniqueID
] || (outerCache
[ elem
.uniqueID
] = {});
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
) {
2277 // Assign to newCache so results back-propagate to previous elements
2278 return (newCache
[ 2 ] = oldCache
[ 2 ]);
2280 // Reuse newcache so results back-propagate to previous elements
2281 uniqueCache
[ key
] = newCache
;
2283 // A match means we're done; a fail means we have to keep checking
2284 if ( (newCache
[ 2 ] = matcher( elem
, context
, xml
)) ) {
2295 function elementMatcher( matchers
) {
2296 return matchers
.length
> 1 ?
2297 function( elem
, context
, xml
) {
2298 var i
= matchers
.length
;
2300 if ( !matchers
[i
]( elem
, context
, xml
) ) {
2309 function multipleContexts( selector
, contexts
, results
) {
2311 len
= contexts
.length
;
2312 for ( ; i
< len
; i
++ ) {
2313 Sizzle( selector
, contexts
[i
], results
);
2318 function condense( unmatched
, map
, filter
, context
, xml
) {
2322 len
= unmatched
.length
,
2323 mapped
= map
!= null;
2325 for ( ; i
< len
; i
++ ) {
2326 if ( (elem
= unmatched
[i
]) ) {
2327 if ( !filter
|| filter( elem
, context
, xml
) ) {
2328 newUnmatched
.push( elem
);
2336 return newUnmatched
;
2339 function setMatcher( preFilter
, selector
, matcher
, postFilter
, postFinder
, postSelector
) {
2340 if ( postFilter
&& !postFilter
[ expando
] ) {
2341 postFilter
= setMatcher( postFilter
);
2343 if ( postFinder
&& !postFinder
[ expando
] ) {
2344 postFinder
= setMatcher( postFinder
, postSelector
);
2346 return markFunction(function( seed
, results
, context
, xml
) {
2350 preexisting
= results
.length
,
2352 // Get initial elements from seed or context
2353 elems
= seed
|| multipleContexts( selector
|| "*", context
.nodeType
? [ context
] : context
, [] ),
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
) :
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
) ?
2364 // ...intermediate processing is necessary
2367 // ...otherwise use results directly
2371 // Find primary matches
2373 matcher( matcherIn
, matcherOut
, context
, xml
);
2378 temp
= condense( matcherOut
, postMap
);
2379 postFilter( temp
, [], context
, xml
);
2381 // Un-match failing elements by moving them back to matcherIn
2384 if ( (elem
= temp
[i
]) ) {
2385 matcherOut
[ postMap
[i
] ] = !(matcherIn
[ postMap
[i
] ] = elem
);
2391 if ( postFinder
|| preFilter
) {
2393 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2395 i
= matcherOut
.length
;
2397 if ( (elem
= matcherOut
[i
]) ) {
2398 // Restore matcherIn since elem is not yet a final match
2399 temp
.push( (matcherIn
[i
] = elem
) );
2402 postFinder( null, (matcherOut
= []), temp
, xml
);
2405 // Move matched elements from seed to results to keep them synchronized
2406 i
= matcherOut
.length
;
2408 if ( (elem
= matcherOut
[i
]) &&
2409 (temp
= postFinder
? indexOf( seed
, elem
) : preMap
[i
]) > -1 ) {
2411 seed
[temp
] = !(results
[temp
] = elem
);
2416 // Add elements to results, through postFinder if defined
2418 matcherOut
= condense(
2419 matcherOut
=== results
?
2420 matcherOut
.splice( preexisting
, matcherOut
.length
) :
2424 postFinder( null, results
, matcherOut
, xml
);
2426 push
.apply( results
, matcherOut
);
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,
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;
2456 for ( ; i
< len
; i
++ ) {
2457 if ( (matcher
= Expr
.relative
[ tokens
[i
].type
]) ) {
2458 matchers
= [ addCombinator(elementMatcher( matchers
), matcher
) ];
2460 matcher
= Expr
.filter
[ tokens
[i
].type
].apply( null, tokens
[i
].matches
);
2462 // Return special upon seeing a positional matcher
2463 if ( matcher
[ expando
] ) {
2464 // Find the next relative operator (if any) for proper handling
2466 for ( ; j
< len
; j
++ ) {
2467 if ( Expr
.relative
[ tokens
[j
].type
] ) {
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" ),
2478 i
< j
&& matcherFromTokens( tokens
.slice( i
, j
) ),
2479 j
< len
&& matcherFromTokens( (tokens
= tokens
.slice( j
)) ),
2480 j
< len
&& toSelector( tokens
)
2483 matchers
.push( matcher
);
2487 return elementMatcher( matchers
);
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
,
2497 unmatched
= seed
&& [],
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),
2507 outermostContext
= context
=== document
|| context
|| outermost
;
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
) {
2516 if ( !context
&& elem
.ownerDocument
!== document
) {
2517 setDocument( elem
);
2518 xml
= !documentIsHTML
;
2520 while ( (matcher
= elementMatchers
[j
++]) ) {
2521 if ( matcher( elem
, context
|| document
, xml
) ) {
2522 results
.push( elem
);
2527 dirruns
= dirrunsUnique
;
2531 // Track unmatched elements for set filters
2533 // They will have gone through all possible matchers
2534 if ( (elem
= !matcher
&& elem
) ) {
2538 // Lengthen the array for every element, matched or not
2540 unmatched
.push( elem
);
2545 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2546 // makes the latter nonnegative.
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
) {
2558 while ( (matcher
= setMatchers
[j
++]) ) {
2559 matcher( unmatched
, setMatched
, context
, xml
);
2563 // Reintegrate element matches to eliminate the need for sorting
2564 if ( matchedCount
> 0 ) {
2566 if ( !(unmatched
[i
] || setMatched
[i
]) ) {
2567 setMatched
[i
] = pop
.call( results
);
2572 // Discard index placeholder values to get only actual matches
2573 setMatched
= condense( setMatched
);
2576 // Add matches to results
2577 push
.apply( results
, setMatched
);
2579 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2580 if ( outermost
&& !seed
&& setMatched
.length
> 0 &&
2581 ( matchedCount
+ setMatchers
.length
) > 1 ) {
2583 Sizzle
.uniqueSort( results
);
2587 // Override manipulation of globals by nested matchers
2589 dirruns
= dirrunsUnique
;
2590 outermostContext
= contextBackup
;
2597 markFunction( superMatcher
) :
2601 compile
= Sizzle
.compile = function( selector
, match
/* Internal Use Only */ ) {
2604 elementMatchers
= [],
2605 cached
= compilerCache
[ selector
+ " " ];
2608 // Generate a function of recursive functions that can be used to check each element
2610 match
= tokenize( selector
);
2614 cached
= matcherFromTokens( match
[i
] );
2615 if ( cached
[ expando
] ) {
2616 setMatchers
.push( cached
);
2618 elementMatchers
.push( cached
);
2622 // Cache the compiled function
2623 cached
= compilerCache( selector
, matcherFromGroupMatchers( elementMatchers
, setMatchers
) );
2625 // Save selector and tokenization
2626 cached
.selector
= selector
;
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
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
) );
2645 results
= results
|| [];
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 ) {
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
] ) {
2656 context
= ( Expr
.find
["ID"]( token
.matches
[0].replace(runescape
, funescape
), context
) || [] )[0];
2660 // Precompiled matchers will still verify ancestry, so step up a level
2661 } else if ( compiled
) {
2662 context
= context
.parentNode
;
2665 selector
= selector
.slice( tokens
.shift().value
.length
);
2668 // Fetch a seed set for right-to-left matching
2669 i
= matchExpr
["needsContext"].test( selector
) ? 0 : tokens
.length
;
2673 // Abort if we hit a combinator
2674 if ( Expr
.relative
[ (type
= token
.type
) ] ) {
2677 if ( (find
= Expr
.find
[ type
]) ) {
2678 // Search, expanding context for leading sibling combinators
2680 token
.matches
[0].replace( runescape
, funescape
),
2681 rsibling
.test( tokens
[0].type
) && testContext( context
.parentNode
) || context
2684 // If seed is empty or no tokens remain, we can return early
2685 tokens
.splice( i
, 1 );
2686 selector
= seed
.length
&& toSelector( tokens
);
2688 push
.apply( results
, seed
);
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
) )(
2705 !context
|| rsibling
.test( selector
) && testContext( context
.parentNode
) || context
2710 // One-time assignments
2713 support
.sortStable
= expando
.split("").sort( sortOrder
).join("") === expando
;
2715 // Support: Chrome 14-35+
2716 // Always assume duplicates if they aren't passed to the comparison function
2717 support
.detectDuplicates
= !!hasDuplicate
;
2719 // Initialize against the default document
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;
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") === "#" ;
2736 addHandle( "type|href|height|width", function( elem
, name
, isXML
) {
2738 return elem
.getAttribute( name
, name
.toLowerCase() === "type" ? 1 : 2 );
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" ) === "";
2750 addHandle( "value", function( elem
, name
, isXML
) {
2751 if ( !isXML
&& elem
.nodeName
.toLowerCase() === "input" ) {
2752 return elem
.defaultValue
;
2758 // Use getAttributeNode to fetch booleans when getAttribute lies
2759 if ( !assert(function( el
) {
2760 return el
.getAttribute("disabled") == null;
2762 addHandle( booleans
, function( elem
, name
, isXML
) {
2765 return elem
[ name
] === true ? name
.toLowerCase() :
2766 (val
= elem
.getAttributeNode( name
)) && val
.specified
?
2779 jQuery
.find
= Sizzle
;
2780 jQuery
.expr
= Sizzle
.selectors
;
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
;
2793 var dir = function( elem
, dir
, until
) {
2795 truncate
= until
!== undefined;
2797 while ( ( elem
= elem
[ dir
] ) && elem
.nodeType
!== 9 ) {
2798 if ( elem
.nodeType
=== 1 ) {
2799 if ( truncate
&& jQuery( elem
).is( until
) ) {
2802 matched
.push( elem
);
2809 var siblings = function( n
, elem
) {
2812 for ( ; n
; n
= n
.nextSibling
) {
2813 if ( n
.nodeType
=== 1 && n
!== elem
) {
2822 var rneedsContext
= jQuery
.expr
.match
.needsContext
;
2826 function nodeName( elem
, name
) {
2828 return elem
.nodeName
&& elem
.nodeName
.toLowerCase() === name
.toLowerCase();
2831 var rsingleTag
= ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
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
;
2844 if ( qualifier
.nodeType
) {
2845 return jQuery
.grep( elements
, function( elem
) {
2846 return ( elem
=== qualifier
) !== not
;
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
;
2857 // Filtered directly for both simple and complex selectors
2858 return jQuery
.filter( qualifier
, elements
, not
);
2861 jQuery
.filter = function( expr
, elems
, not
) {
2862 var elem
= elems
[ 0 ];
2865 expr
= ":not(" + expr
+ ")";
2868 if ( elems
.length
=== 1 && elem
.nodeType
=== 1 ) {
2869 return jQuery
.find
.matchesSelector( elem
, expr
) ? [ elem
] : [];
2872 return jQuery
.find
.matches( expr
, jQuery
.grep( elems
, function( elem
) {
2873 return elem
.nodeType
=== 1;
2878 find: function( selector
) {
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 ) ) {
2893 ret
= this.pushStack( [] );
2895 for ( i
= 0; i
< len
; i
++ ) {
2896 jQuery
.find( selector
, self
[ i
], ret
);
2899 return len
> 1 ? jQuery
.uniqueSort( ret
) : ret
;
2901 filter: function( selector
) {
2902 return this.pushStack( winnow( this, selector
|| [], false ) );
2904 not: function( selector
) {
2905 return this.pushStack( winnow( this, selector
|| [], true ) );
2907 is: function( selector
) {
2911 // If this is a positional/relative selector, check membership in the returned set
2912 // so $("p:first").is("p:last") won't return true for a doc with two "p".
2913 typeof selector
=== "string" && rneedsContext
.test( selector
) ?
2914 jQuery( selector
) :
2922 // Initialize a jQuery object
2925 // A central reference to the root jQuery(document)
2928 // A simple way to check for HTML strings
2929 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2930 // Strict HTML recognition (#11290: must start with <)
2931 // Shortcut simple #id case for speed
2932 rquickExpr
= /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2934 init
= jQuery
.fn
.init = function( selector
, context
, root
) {
2937 // HANDLE: $(""), $(null), $(undefined), $(false)
2942 // Method init() accepts an alternate rootjQuery
2943 // so migrate can support jQuery.sub (gh-2101)
2944 root
= root
|| rootjQuery
;
2946 // Handle HTML strings
2947 if ( typeof selector
=== "string" ) {
2948 if ( selector
[ 0 ] === "<" &&
2949 selector
[ selector
.length
- 1 ] === ">" &&
2950 selector
.length
>= 3 ) {
2952 // Assume that strings that start and end with <> are HTML and skip the regex check
2953 match
= [ null, selector
, null ];
2956 match
= rquickExpr
.exec( selector
);
2959 // Match html or make sure no context is specified for #id
2960 if ( match
&& ( match
[ 1 ] || !context
) ) {
2962 // HANDLE: $(html) -> $(array)
2964 context
= context
instanceof jQuery
? context
[ 0 ] : context
;
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(
2970 context
&& context
.nodeType
? context
.ownerDocument
|| context
: document
,
2974 // HANDLE: $(html, props)
2975 if ( rsingleTag
.test( match
[ 1 ] ) && jQuery
.isPlainObject( context
) ) {
2976 for ( match
in context
) {
2978 // Properties of context are called as methods if possible
2979 if ( isFunction( this[ match
] ) ) {
2980 this[ match
]( context
[ match
] );
2982 // ...and otherwise set as attributes
2984 this.attr( match
, context
[ match
] );
2993 elem
= document
.getElementById( match
[ 2 ] );
2997 // Inject the element directly into the jQuery object
3004 // HANDLE: $(expr, $(...))
3005 } else if ( !context
|| context
.jquery
) {
3006 return ( context
|| root
).find( selector
);
3008 // HANDLE: $(expr, context)
3009 // (which is just equivalent to: $(context).find(expr)
3011 return this.constructor( context
).find( selector
);
3014 // HANDLE: $(DOMElement)
3015 } else if ( selector
.nodeType
) {
3016 this[ 0 ] = selector
;
3020 // HANDLE: $(function)
3021 // Shortcut for document ready
3022 } else if ( isFunction( selector
) ) {
3023 return root
.ready
!== undefined ?
3024 root
.ready( selector
) :
3026 // Execute immediately if ready is not present
3030 return jQuery
.makeArray( selector
, this );
3033 // Give the init function the jQuery prototype for later instantiation
3034 init
.prototype = jQuery
.fn
;
3036 // Initialize central reference
3037 rootjQuery
= jQuery( document
);
3040 var rparentsprev
= /^(?:parents|prev(?:Until|All))/,
3042 // Methods guaranteed to produce a unique set when starting from a unique set
3043 guaranteedUnique
= {
3051 has: function( target
) {
3052 var targets
= jQuery( target
, this ),
3055 return this.filter( function() {
3057 for ( ; i
< l
; i
++ ) {
3058 if ( jQuery
.contains( this, targets
[ i
] ) ) {
3065 closest: function( selectors
, context
) {
3070 targets
= typeof selectors
!== "string" && jQuery( selectors
);
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
) {
3077 // Always skip document fragments
3078 if ( cur
.nodeType
< 11 && ( targets
?
3079 targets
.index( cur
) > -1 :
3081 // Don't pass non-elements to Sizzle
3082 cur
.nodeType
=== 1 &&
3083 jQuery
.find
.matchesSelector( cur
, selectors
) ) ) {
3085 matched
.push( cur
);
3092 return this.pushStack( matched
.length
> 1 ? jQuery
.uniqueSort( matched
) : matched
);
3095 // Determine the position of an element within the set
3096 index: function( elem
) {
3098 // No argument, return index in parent
3100 return ( this[ 0 ] && this[ 0 ].parentNode
) ? this.first().prevAll().length
: -1;
3103 // Index in selector
3104 if ( typeof elem
=== "string" ) {
3105 return indexOf
.call( jQuery( elem
), this[ 0 ] );
3108 // Locate the position of the desired element
3109 return indexOf
.call( this,
3111 // If it receives a jQuery object, the first element is used
3112 elem
.jquery
? elem
[ 0 ] : elem
3116 add: function( selector
, context
) {
3117 return this.pushStack(
3119 jQuery
.merge( this.get(), jQuery( selector
, context
) )
3124 addBack: function( selector
) {
3125 return this.add( selector
== null ?
3126 this.prevObject
: this.prevObject
.filter( selector
)
3131 function sibling( cur
, dir
) {
3132 while ( ( cur
= cur
[ dir
] ) && cur
.nodeType
!== 1 ) {}
3137 parent: function( elem
) {
3138 var parent
= elem
.parentNode
;
3139 return parent
&& parent
.nodeType
!== 11 ? parent
: null;
3141 parents: function( elem
) {
3142 return dir( elem
, "parentNode" );
3144 parentsUntil: function( elem
, i
, until
) {
3145 return dir( elem
, "parentNode", until
);
3147 next: function( elem
) {
3148 return sibling( elem
, "nextSibling" );
3150 prev: function( elem
) {
3151 return sibling( elem
, "previousSibling" );
3153 nextAll: function( elem
) {
3154 return dir( elem
, "nextSibling" );
3156 prevAll: function( elem
) {
3157 return dir( elem
, "previousSibling" );
3159 nextUntil: function( elem
, i
, until
) {
3160 return dir( elem
, "nextSibling", until
);
3162 prevUntil: function( elem
, i
, until
) {
3163 return dir( elem
, "previousSibling", until
);
3165 siblings: function( elem
) {
3166 return siblings( ( elem
.parentNode
|| {} ).firstChild
, elem
);
3168 children: function( elem
) {
3169 return siblings( elem
.firstChild
);
3171 contents: function( elem
) {
3172 if ( typeof elem
.contentDocument
!== "undefined" ) {
3173 return elem
.contentDocument
;
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
;
3183 return jQuery
.merge( [], elem
.childNodes
);
3185 }, function( name
, fn
) {
3186 jQuery
.fn
[ name
] = function( until
, selector
) {
3187 var matched
= jQuery
.map( this, fn
, until
);
3189 if ( name
.slice( -5 ) !== "Until" ) {
3193 if ( selector
&& typeof selector
=== "string" ) {
3194 matched
= jQuery
.filter( selector
, matched
);
3197 if ( this.length
> 1 ) {
3199 // Remove duplicates
3200 if ( !guaranteedUnique
[ name
] ) {
3201 jQuery
.uniqueSort( matched
);
3204 // Reverse order for parents* and prev-derivatives
3205 if ( rparentsprev
.test( name
) ) {
3210 return this.pushStack( matched
);
3213 var rnothtmlwhite
= ( /[^\x20\t\r\n\f]+/g );
3217 // Convert String-formatted options into Object-formatted ones
3218 function createOptions( options
) {
3220 jQuery
.each( options
.match( rnothtmlwhite
) || [], function( _
, flag
) {
3221 object
[ flag
] = true;
3227 * Create a callback list using the following parameters:
3229 * options: an optional list of space-separated options that will change how
3230 * the callback list behaves or a more traditional option object
3232 * By default a callback list will act like an event callback list and can be
3233 * "fired" multiple times.
3237 * once: will ensure the callback list can only be fired once (like a Deferred)
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)
3243 * unique: will ensure a callback can only be added once (no duplicate in the list)
3245 * stopOnFalse: interrupt callings when a callback returns false
3248 jQuery
.Callbacks = function( options
) {
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
);
3256 var // Flag to know if list is currently firing
3259 // Last fire value for non-forgettable lists
3262 // Flag to know if list was already fired
3265 // Flag to prevent firing
3268 // Actual callback list
3271 // Queue of execution data for repeatable lists
3274 // Index of currently firing callback (modified by add/remove as needed)
3280 // Enforce single-firing
3281 locked
= locked
|| options
.once
;
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
) {
3290 // Run callback and check for early termination
3291 if ( list
[ firingIndex
].apply( memory
[ 0 ], memory
[ 1 ] ) === false &&
3292 options
.stopOnFalse
) {
3294 // Jump to end and forget the data so .add doesn't re-fire
3295 firingIndex
= list
.length
;
3301 // Forget the data if we're done with it
3302 if ( !options
.memory
) {
3308 // Clean up if we're done firing for good
3311 // Keep an empty list if we have data for future add calls
3315 // Otherwise, this object is spent
3322 // Actual Callbacks object
3325 // Add a callback or a collection of callbacks to the list
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
);
3335 ( function add( args
) {
3336 jQuery
.each( args
, function( _
, arg
) {
3337 if ( isFunction( arg
) ) {
3338 if ( !options
.unique
|| !self
.has( arg
) ) {
3341 } else if ( arg
&& arg
.length
&& toType( arg
) !== "string" ) {
3343 // Inspect recursively
3349 if ( memory
&& !firing
) {
3356 // Remove a callback from the list
3357 remove: function() {
3358 jQuery
.each( arguments
, function( _
, arg
) {
3360 while ( ( index
= jQuery
.inArray( arg
, list
, index
) ) > -1 ) {
3361 list
.splice( index
, 1 );
3363 // Handle firing indexes
3364 if ( index
<= firingIndex
) {
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
) {
3376 jQuery
.inArray( fn
, list
) > -1 :
3380 // Remove all callbacks from the list
3388 // Disable .fire and .add
3389 // Abort any current/pending executions
3390 // Clear all callbacks and values
3391 disable: function() {
3392 locked
= queue
= [];
3396 disabled: function() {
3401 // Also disable .add unless we have memory (since it would have no effect)
3402 // Abort any pending executions
3404 locked
= queue
= [];
3405 if ( !memory
&& !firing
) {
3410 locked: function() {
3414 // Call all callbacks with the given context and arguments
3415 fireWith: function( context
, args
) {
3418 args
= [ context
, args
.slice
? args
.slice() : args
];
3427 // Call all the callbacks with the given arguments
3429 self
.fireWith( this, arguments
);
3433 // To know if the callbacks have already been called at least once
3443 function Identity( v
) {
3446 function Thrower( ex
) {
3450 function adoptValue( value
, resolve
, reject
, noValue
) {
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
);
3460 } else if ( value
&& isFunction( ( method
= value
.then
) ) ) {
3461 method
.call( value
, resolve
, reject
);
3463 // Other non-thenables
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
) );
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.
3477 // Support: Android 4.0 only
3478 // Strict mode functions invoked without .call/.apply get global-object context
3479 reject
.apply( undefined, [ value
] );
3485 Deferred: function( func
) {
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" ]
3502 always: function() {
3503 deferred
.done( arguments
).fail( arguments
);
3506 "catch": function( fn
) {
3507 return promise
.then( null, fn
);
3510 // Keep pipe for back-compat
3511 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3512 var fns
= arguments
;
3514 return jQuery
.Deferred( function( newDefer
) {
3515 jQuery
.each( tuples
, function( i
, tuple
) {
3517 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3518 var fn
= isFunction( fns
[ tuple
[ 4 ] ] ) && fns
[ tuple
[ 4 ] ];
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
) ) {
3527 .progress( newDefer
.notify
)
3528 .done( newDefer
.resolve
)
3529 .fail( newDefer
.reject
);
3531 newDefer
[ tuple
[ 0 ] + "With" ](
3533 fn
? [ returned
] : arguments
3541 then: function( onFulfilled
, onRejected
, onProgress
) {
3543 function resolve( depth
, deferred
, handler
, special
) {
3547 mightThrow = function() {
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
) {
3557 returned
= handler
.apply( that
, args
);
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" );
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
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" ) &&
3578 // Handle a returned thenable
3579 if ( isFunction( then
) ) {
3581 // Special processors (notify) just wait for resolution
3585 resolve( maxDepth
, deferred
, Identity
, special
),
3586 resolve( maxDepth
, deferred
, Thrower
, special
)
3589 // Normal processors (resolve) also hook into progress
3592 // ...and disregard older resolution values
3597 resolve( maxDepth
, deferred
, Identity
, special
),
3598 resolve( maxDepth
, deferred
, Thrower
, special
),
3599 resolve( maxDepth
, deferred
, Identity
,
3600 deferred
.notifyWith
)
3604 // Handle all other returned values
3607 // Only substitute handlers pass on context
3608 // and multiple values (non-spec behavior)
3609 if ( handler
!== Identity
) {
3611 args
= [ returned
];
3614 // Process the value(s)
3615 // Default process is resolve
3616 ( special
|| deferred
.resolveWith
)( that
, args
);
3620 // Only normal processors (resolve) catch and reject exceptions
3628 if ( jQuery
.Deferred
.exceptionHook
) {
3629 jQuery
.Deferred
.exceptionHook( e
,
3630 process
.stackTrace
);
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
) {
3638 // Only substitute handlers pass on context
3639 // and multiple values (non-spec behavior)
3640 if ( handler
!== Thrower
) {
3645 deferred
.rejectWith( that
, args
);
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
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();
3663 window
.setTimeout( process
);
3668 return jQuery
.Deferred( function( newDefer
) {
3670 // progress_handlers.add( ... )
3671 tuples
[ 0 ][ 3 ].add(
3675 isFunction( onProgress
) ?
3682 // fulfilled_handlers.add( ... )
3683 tuples
[ 1 ][ 3 ].add(
3687 isFunction( onFulfilled
) ?
3693 // rejected_handlers.add( ... )
3694 tuples
[ 2 ][ 3 ].add(
3698 isFunction( onRejected
) ?
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
;
3714 // Add list-specific methods
3715 jQuery
.each( tuples
, function( i
, tuple
) {
3716 var list
= tuple
[ 2 ],
3717 stateString
= tuple
[ 5 ];
3719 // promise.progress = list.add
3720 // promise.done = list.add
3721 // promise.fail = list.add
3722 promise
[ tuple
[ 1 ] ] = list
.add
;
3725 if ( stateString
) {
3729 // state = "resolved" (i.e., fulfilled)
3730 // state = "rejected"
3731 state
= stateString
;
3734 // rejected_callbacks.disable
3735 // fulfilled_callbacks.disable
3736 tuples
[ 3 - i
][ 2 ].disable
,
3738 // rejected_handlers.disable
3739 // fulfilled_handlers.disable
3740 tuples
[ 3 - i
][ 3 ].disable
,
3742 // progress_callbacks.lock
3743 tuples
[ 0 ][ 2 ].lock
,
3745 // progress_handlers.lock
3746 tuples
[ 0 ][ 3 ].lock
3750 // progress_handlers.fire
3751 // fulfilled_handlers.fire
3752 // rejected_handlers.fire
3753 list
.add( tuple
[ 3 ].fire
);
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
);
3763 // deferred.notifyWith = list.fireWith
3764 // deferred.resolveWith = list.fireWith
3765 // deferred.rejectWith = list.fireWith
3766 deferred
[ tuple
[ 0 ] + "With" ] = list
.fireWith
;
3769 // Make the deferred a promise
3770 promise
.promise( deferred
);
3772 // Call given func if any
3774 func
.call( deferred
, deferred
);
3782 when: function( singleValue
) {
3785 // count of uncompleted subordinates
3786 remaining
= arguments
.length
,
3788 // count of unprocessed arguments
3791 // subordinate fulfillment data
3792 resolveContexts
= Array( i
),
3793 resolveValues
= slice
.call( arguments
),
3795 // the master Deferred
3796 master
= jQuery
.Deferred(),
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
);
3809 // Single- and empty arguments are adopted like Promise.resolve
3810 if ( remaining
<= 1 ) {
3811 adoptValue( singleValue
, master
.done( updateFunc( i
) ).resolve
, master
.reject
,
3814 // Use .then() to unwrap secondary thenables (cf. gh-3000)
3815 if ( master
.state() === "pending" ||
3816 isFunction( resolveValues
[ i
] && resolveValues
[ i
].then
) ) {
3818 return master
.then();
3822 // Multiple arguments are aggregated like Promise.all array elements
3824 adoptValue( resolveValues
[ i
], updateFunc( i
), master
.reject
);
3827 return master
.promise();
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$/;
3836 jQuery
.Deferred
.exceptionHook = function( error
, stack
) {
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
);
3848 jQuery
.readyException = function( error
) {
3849 window
.setTimeout( function() {
3857 // The deferred used on DOM ready
3858 var readyList
= jQuery
.Deferred();
3860 jQuery
.fn
.ready = function( fn
) {
3865 // Wrap jQuery.readyException in a function so that the lookup
3866 // happens at the time of error handling instead of callback
3868 .catch( function( error
) {
3869 jQuery
.readyException( error
);
3877 // Is the DOM ready to be used? Set to true once it occurs.
3880 // A counter to track how many items to wait for before
3881 // the ready event fires. See #6781
3884 // Handle when the DOM is ready
3885 ready: function( wait
) {
3887 // Abort if there are pending holds or we're already ready
3888 if ( wait
=== true ? --jQuery
.readyWait
: jQuery
.isReady
) {
3892 // Remember that the DOM is ready
3893 jQuery
.isReady
= true;
3895 // If a normal DOM Ready event fired, decrement, and wait if need be
3896 if ( wait
!== true && --jQuery
.readyWait
> 0 ) {
3900 // If there are functions bound, to execute
3901 readyList
.resolveWith( document
, [ jQuery
] );
3905 jQuery
.ready
.then
= readyList
.then
;
3907 // The ready event handler and self cleanup method
3908 function completed() {
3909 document
.removeEventListener( "DOMContentLoaded", completed
);
3910 window
.removeEventListener( "load", completed
);
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
) ) {
3921 // Handle it asynchronously to allow scripts the opportunity to delay ready
3922 window
.setTimeout( jQuery
.ready
);
3926 // Use the handy event callback
3927 document
.addEventListener( "DOMContentLoaded", completed
);
3929 // A fallback to window.onload, that will always work
3930 window
.addEventListener( "load", completed
);
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
) {
3944 if ( toType( key
) === "object" ) {
3947 access( elems
, fn
, i
, key
[ i
], true, emptyGet
, raw
);
3951 } else if ( value
!== undefined ) {
3954 if ( !isFunction( value
) ) {
3960 // Bulk operations run against the entire set
3962 fn
.call( elems
, value
);
3965 // ...except when executing function values
3968 fn = function( elem
, key
, value
) {
3969 return bulk
.call( jQuery( elem
), value
);
3975 for ( ; i
< len
; i
++ ) {
3977 elems
[ i
], key
, raw
?
3979 value
.call( elems
[ i
], i
, fn( elems
[ i
], key
) )
3991 return fn
.call( elems
);
3994 return len
? fn( elems
[ 0 ], key
) : emptyGet
;
3998 // Matches dashed string for camelizing
3999 var rmsPrefix
= /^-ms-/,
4000 rdashAlpha
= /-([a-z])/g;
4002 // Used by camelCase as callback to replace()
4003 function fcamelCase( all
, letter
) {
4004 return letter
.toUpperCase();
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
);
4013 var acceptData = function( owner
) {
4017 // - Node.ELEMENT_NODE
4018 // - Node.DOCUMENT_NODE
4021 return owner
.nodeType
=== 1 || owner
.nodeType
=== 9 || !( +owner
.nodeType
);
4028 this.expando
= jQuery
.expando
+ Data
.uid
++;
4035 cache: function( owner
) {
4037 // Check if the owner object already has a cache
4038 var value
= owner
[ this.expando
];
4040 // If not, create one
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
) ) {
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
;
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
4058 Object
.defineProperty( owner
, this.expando
, {
4068 set: function( owner
, data
, value
) {
4070 cache
= this.cache( owner
);
4072 // Handle: [ owner, key, value ] args
4073 // Always use camelCase key (gh-2257)
4074 if ( typeof data
=== "string" ) {
4075 cache
[ camelCase( data
) ] = value
;
4077 // Handle: [ owner, { properties } ] args
4080 // Copy the properties one-by-one to the cache object
4081 for ( prop
in data
) {
4082 cache
[ camelCase( prop
) ] = data
[ prop
];
4087 get: function( owner
, key
) {
4088 return key
=== undefined ?
4089 this.cache( owner
) :
4091 // Always use camelCase key (gh-2257)
4092 owner
[ this.expando
] && owner
[ this.expando
][ camelCase( key
) ];
4094 access: function( owner
, key
, value
) {
4096 // In cases where either:
4098 // 1. No key was specified
4099 // 2. A string key was specified, but no value provided
4101 // Take the "read" path and allow the get method to determine
4102 // which value to return, respectively either:
4104 // 1. The entire cache object
4105 // 2. The data stored at the key
4107 if ( key
=== undefined ||
4108 ( ( key
&& typeof key
=== "string" ) && value
=== undefined ) ) {
4110 return this.get( owner
, key
);
4113 // When the key is not a string, or both a key and value
4114 // are specified, set or extend (existing objects) with either:
4116 // 1. An object of properties
4117 // 2. A key and value
4119 this.set( owner
, key
, value
);
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
;
4125 remove: function( owner
, key
) {
4127 cache
= owner
[ this.expando
];
4129 if ( cache
=== undefined ) {
4133 if ( key
!== undefined ) {
4135 // Support array or space separated string of keys
4136 if ( Array
.isArray( key
) ) {
4138 // If key is an array of keys...
4139 // We always set camelCase keys, so remove that.
4140 key
= key
.map( camelCase
);
4142 key
= camelCase( key
);
4144 // If a key with the spaces exists, use it.
4145 // Otherwise, create an array by matching non-whitespace
4146 key
= key
in cache
?
4148 ( key
.match( rnothtmlwhite
) || [] );
4154 delete cache
[ key
[ i
] ];
4158 // Remove the expando if there's no more data
4159 if ( key
=== undefined || jQuery
.isEmptyObject( cache
) ) {
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;
4168 delete owner
[ this.expando
];
4172 hasData: function( owner
) {
4173 var cache
= owner
[ this.expando
];
4174 return cache
!== undefined && !jQuery
.isEmptyObject( cache
);
4177 var dataPriv
= new Data();
4179 var dataUser
= new Data();
4183 // Implementation Summary
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
4193 var rbrace
= /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4194 rmultiDash
= /[A-Z]/g;
4196 function getData( data
) {
4197 if ( data
=== "true" ) {
4201 if ( data
=== "false" ) {
4205 if ( data
=== "null" ) {
4209 // Only convert to a number if it doesn't change the string
4210 if ( data
=== +data
+ "" ) {
4214 if ( rbrace
.test( data
) ) {
4215 return JSON
.parse( data
);
4221 function dataAttr( elem
, key
, data
) {
4224 // If nothing was found internally, try to fetch any
4225 // data from the HTML5 data-* attribute
4226 if ( data
=== undefined && elem
.nodeType
=== 1 ) {
4227 name
= "data-" + key
.replace( rmultiDash
, "-$&" ).toLowerCase();
4228 data
= elem
.getAttribute( name
);
4230 if ( typeof data
=== "string" ) {
4232 data
= getData( data
);
4235 // Make sure we set the data so it isn't changed later
4236 dataUser
.set( elem
, key
, data
);
4245 hasData: function( elem
) {
4246 return dataUser
.hasData( elem
) || dataPriv
.hasData( elem
);
4249 data: function( elem
, name
, data
) {
4250 return dataUser
.access( elem
, name
, data
);
4253 removeData: function( elem
, name
) {
4254 dataUser
.remove( elem
, name
);
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
);
4263 _removeData: function( elem
, name
) {
4264 dataPriv
.remove( elem
, name
);
4269 data: function( key
, value
) {
4272 attrs
= elem
&& elem
.attributes
;
4275 if ( key
=== undefined ) {
4276 if ( this.length
) {
4277 data
= dataUser
.get( elem
);
4279 if ( elem
.nodeType
=== 1 && !dataPriv
.get( elem
, "hasDataAttrs" ) ) {
4283 // Support: IE 11 only
4284 // The attrs elements can be null (#14894)
4286 name
= attrs
[ i
].name
;
4287 if ( name
.indexOf( "data-" ) === 0 ) {
4288 name
= camelCase( name
.slice( 5 ) );
4289 dataAttr( elem
, name
, data
[ name
] );
4293 dataPriv
.set( elem
, "hasDataAttrs", true );
4300 // Sets multiple values
4301 if ( typeof key
=== "object" ) {
4302 return this.each( function() {
4303 dataUser
.set( this, key
);
4307 return access( this, function( value
) {
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 ) {
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 ) {
4324 // Attempt to "discover" the data in
4325 // HTML5 custom data-* attrs
4326 data
= dataAttr( elem
, key
);
4327 if ( data
!== undefined ) {
4331 // We tried really hard, but the data doesn't exist.
4336 this.each( function() {
4338 // We always store the camelCased key
4339 dataUser
.set( this, key
, value
);
4341 }, null, value
, arguments
.length
> 1, null, true );
4344 removeData: function( key
) {
4345 return this.each( function() {
4346 dataUser
.remove( this, key
);
4353 queue: function( elem
, type
, data
) {
4357 type
= ( type
|| "fx" ) + "queue";
4358 queue
= dataPriv
.get( elem
, type
);
4360 // Speed up dequeue by getting out quickly if this is just a lookup
4362 if ( !queue
|| Array
.isArray( data
) ) {
4363 queue
= dataPriv
.access( elem
, type
, jQuery
.makeArray( data
) );
4372 dequeue: function( elem
, type
) {
4373 type
= type
|| "fx";
4375 var queue
= jQuery
.queue( elem
, type
),
4376 startLength
= queue
.length
,
4378 hooks
= jQuery
._queueHooks( elem
, type
),
4380 jQuery
.dequeue( elem
, type
);
4383 // If the fx queue is dequeued, always remove the progress sentinel
4384 if ( fn
=== "inprogress" ) {
4391 // Add a progress sentinel to prevent the fx queue from being
4392 // automatically dequeued
4393 if ( type
=== "fx" ) {
4394 queue
.unshift( "inprogress" );
4397 // Clear up the last queue stop function
4399 fn
.call( elem
, next
, hooks
);
4402 if ( !startLength
&& hooks
) {
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
] );
4419 queue: function( type
, data
) {
4422 if ( typeof type
!== "string" ) {
4428 if ( arguments
.length
< setter
) {
4429 return jQuery
.queue( this[ 0 ], type
);
4432 return data
=== undefined ?
4434 this.each( function() {
4435 var queue
= jQuery
.queue( this, type
, data
);
4437 // Ensure a hooks for this queue
4438 jQuery
._queueHooks( this, type
);
4440 if ( type
=== "fx" && queue
[ 0 ] !== "inprogress" ) {
4441 jQuery
.dequeue( this, type
);
4445 dequeue: function( type
) {
4446 return this.each( function() {
4447 jQuery
.dequeue( this, type
);
4450 clearQueue: function( type
) {
4451 return this.queue( type
|| "fx", [] );
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
) {
4459 defer
= jQuery
.Deferred(),
4462 resolve = function() {
4463 if ( !( --count
) ) {
4464 defer
.resolveWith( elements
, [ elements
] );
4468 if ( typeof type
!== "string" ) {
4472 type
= type
|| "fx";
4475 tmp
= dataPriv
.get( elements
[ i
], type
+ "queueHooks" );
4476 if ( tmp
&& tmp
.empty
) {
4478 tmp
.empty
.add( resolve
);
4482 return defer
.promise( obj
);
4485 var pnum
= ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source
;
4487 var rcssNum
= new RegExp( "^(?:([+-])=|)(" + pnum
+ ")([a-z%]*)$", "i" );
4490 var cssExpand
= [ "Top", "Right", "Bottom", "Left" ];
4492 var documentElement
= document
.documentElement
;
4496 var isAttached = function( elem
) {
4497 return jQuery
.contains( elem
.ownerDocument
, elem
);
4499 composed
= { composed
: true };
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
;
4512 var isHiddenWithinTree = function( elem
, el
) {
4514 // isHiddenWithinTree might be called from jQuery#filter function;
4515 // in that case, element will be second argument
4518 // Inline style trumps all
4519 return elem
.style
.display
=== "none" ||
4520 elem
.style
.display
=== "" &&
4522 // Otherwise, check computed style
4523 // Support: Firefox <=43 - 45
4524 // Disconnected elements can have computed display: none, so first confirm that elem is
4526 isAttached( elem
) &&
4528 jQuery
.css( elem
, "display" ) === "none";
4531 var swap = function( elem
, options
, callback
, args
) {
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
];
4541 ret
= callback
.apply( elem
, args
|| [] );
4543 // Revert the old values
4544 for ( name
in options
) {
4545 elem
.style
[ name
] = old
[ name
];
4554 function adjustCSS( elem
, prop
, valueParts
, tween
) {
4555 var adjusted
, scale
,
4557 currentValue
= tween
?
4562 return jQuery
.css( elem
, prop
, "" );
4564 initial
= currentValue(),
4565 unit
= valueParts
&& valueParts
[ 3 ] || ( jQuery
.cssNumber
[ prop
] ? "" : "px" ),
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
) );
4572 if ( initialInUnit
&& initialInUnit
[ 3 ] !== unit
) {
4574 // Support: Firefox <=54
4575 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4576 initial
= initial
/ 2;
4578 // Trust units reported by jQuery.css
4579 unit
= unit
|| initialInUnit
[ 3 ];
4581 // Iteratively approximate from a nonzero starting point
4582 initialInUnit
= +initial
|| 1;
4584 while ( maxIterations
-- ) {
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 ) {
4592 initialInUnit
= initialInUnit
/ scale
;
4596 initialInUnit
= initialInUnit
* 2;
4597 jQuery
.style( elem
, prop
, initialInUnit
+ unit
);
4599 // Make sure we update the tween properties later on
4600 valueParts
= valueParts
|| [];
4604 initialInUnit
= +initialInUnit
|| +initial
|| 0;
4606 // Apply relative offset (+=/-=) if specified
4607 adjusted
= valueParts
[ 1 ] ?
4608 initialInUnit
+ ( valueParts
[ 1 ] + 1 ) * valueParts
[ 2 ] :
4612 tween
.start
= initialInUnit
;
4613 tween
.end
= adjusted
;
4620 var defaultDisplayMap
= {};
4622 function getDefaultDisplay( elem
) {
4624 doc
= elem
.ownerDocument
,
4625 nodeName
= elem
.nodeName
,
4626 display
= defaultDisplayMap
[ nodeName
];
4632 temp
= doc
.body
.appendChild( doc
.createElement( nodeName
) );
4633 display
= jQuery
.css( temp
, "display" );
4635 temp
.parentNode
.removeChild( temp
);
4637 if ( display
=== "none" ) {
4640 defaultDisplayMap
[ nodeName
] = display
;
4645 function showHide( elements
, show
) {
4649 length
= elements
.length
;
4651 // Determine new display value for elements that need to change
4652 for ( ; index
< length
; index
++ ) {
4653 elem
= elements
[ index
];
4654 if ( !elem
.style
) {
4658 display
= elem
.style
.display
;
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
= "";
4670 if ( elem
.style
.display
=== "" && isHiddenWithinTree( elem
) ) {
4671 values
[ index
] = getDefaultDisplay( elem
);
4674 if ( display
!== "none" ) {
4675 values
[ index
] = "none";
4677 // Remember what we're overwriting
4678 dataPriv
.set( elem
, "display", display
);
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
];
4695 return showHide( this, true );
4698 return showHide( this );
4700 toggle: function( state
) {
4701 if ( typeof state
=== "boolean" ) {
4702 return state
? this.show() : this.hide();
4705 return this.each( function() {
4706 if ( isHiddenWithinTree( this ) ) {
4707 jQuery( this ).show();
4709 jQuery( this ).hide();
4714 var rcheckableType
= ( /^(?:checkbox|radio)$/i );
4716 var rtagName
= ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4718 var rscriptType
= ( /^$|^module$|\/(?:java|ecma)script/i );
4722 // We have to close these tags to support XHTML (#13200)
4725 // Support: IE <=9 only
4726 option
: [ 1, "<select multiple='multiple'>", "</select>" ],
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>" ],
4736 _default
: [ 0, "", "" ]
4739 // Support: IE <=9 only
4740 wrapMap
.optgroup
= wrapMap
.option
;
4742 wrapMap
.tbody
= wrapMap
.tfoot
= wrapMap
.colgroup
= wrapMap
.caption
= wrapMap
.thead
;
4743 wrapMap
.th
= wrapMap
.td
;
4746 function getAll( context
, tag
) {
4748 // Support: IE <=9 - 11 only
4749 // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4752 if ( typeof context
.getElementsByTagName
!== "undefined" ) {
4753 ret
= context
.getElementsByTagName( tag
|| "*" );
4755 } else if ( typeof context
.querySelectorAll
!== "undefined" ) {
4756 ret
= context
.querySelectorAll( tag
|| "*" );
4762 if ( tag
=== undefined || tag
&& nodeName( context
, tag
) ) {
4763 return jQuery
.merge( [ context
], ret
);
4770 // Mark scripts as having already been evaluated
4771 function setGlobalEval( elems
, refElements
) {
4775 for ( ; i
< l
; i
++ ) {
4779 !refElements
|| dataPriv
.get( refElements
[ i
], "globalEval" )
4785 var rhtml
= /<|&#?\w+;/;
4787 function buildFragment( elems
, context
, scripts
, selection
, ignored
) {
4788 var elem
, tmp
, tag
, wrap
, attached
, j
,
4789 fragment
= context
.createDocumentFragment(),
4794 for ( ; i
< l
; i
++ ) {
4797 if ( elem
|| elem
=== 0 ) {
4799 // Add nodes directly
4800 if ( toType( elem
) === "object" ) {
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
);
4806 // Convert non-html into a text node
4807 } else if ( !rhtml
.test( elem
) ) {
4808 nodes
.push( context
.createTextNode( elem
) );
4810 // Convert html into DOM nodes
4812 tmp
= tmp
|| fragment
.appendChild( context
.createElement( "div" ) );
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 ];
4819 // Descend through wrappers to the right content
4822 tmp
= tmp
.lastChild
;
4825 // Support: Android <=4.0 only, PhantomJS 1 only
4826 // push.apply(_, arraylike) throws on ancient WebKit
4827 jQuery
.merge( nodes
, tmp
.childNodes
);
4829 // Remember the top-level container
4830 tmp
= fragment
.firstChild
;
4832 // Ensure the created nodes are orphaned (#12392)
4833 tmp
.textContent
= "";
4838 // Remove wrapper from fragment
4839 fragment
.textContent
= "";
4842 while ( ( elem
= nodes
[ i
++ ] ) ) {
4844 // Skip elements already in the context collection (trac-4087)
4845 if ( selection
&& jQuery
.inArray( elem
, selection
) > -1 ) {
4847 ignored
.push( elem
);
4852 attached
= isAttached( elem
);
4854 // Append to fragment
4855 tmp
= getAll( fragment
.appendChild( elem
), "script" );
4857 // Preserve script evaluation history
4859 setGlobalEval( tmp
);
4862 // Capture executables
4865 while ( ( elem
= tmp
[ j
++ ] ) ) {
4866 if ( rscriptType
.test( elem
.type
|| "" ) ) {
4867 scripts
.push( elem
);
4878 var fragment
= document
.createDocumentFragment(),
4879 div
= fragment
.appendChild( document
.createElement( "div" ) ),
4880 input
= document
.createElement( "input" );
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" );
4890 div
.appendChild( input
);
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
;
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
;
4905 rmouseEvent
= /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4906 rtypenamespace
= /^([^.]*)(?:\.(.+)|)/;
4908 function returnTrue() {
4912 function returnFalse() {
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" );
4926 // Support: IE <=9 only
4927 // Accessing document.activeElement can throw unexpectedly
4928 // https://bugs.jquery.com/ticket/13393
4929 function safeActiveElement() {
4931 return document
.activeElement
;
4935 function on( elem
, types
, selector
, data
, fn
, one
) {
4938 // Types can be a map of types/handlers
4939 if ( typeof types
=== "object" ) {
4941 // ( types-Object, selector, data )
4942 if ( typeof selector
!== "string" ) {
4944 // ( types-Object, data )
4945 data
= data
|| selector
;
4946 selector
= undefined;
4948 for ( type
in types
) {
4949 on( elem
, type
, selector
, data
, types
[ type
], one
);
4954 if ( data
== null && fn
== null ) {
4958 data
= selector
= undefined;
4959 } else if ( fn
== null ) {
4960 if ( typeof selector
=== "string" ) {
4962 // ( types, selector, fn )
4967 // ( types, data, fn )
4970 selector
= undefined;
4973 if ( fn
=== false ) {
4981 fn = function( event
) {
4983 // Can use an empty set, since event contains the info
4984 jQuery().off( event
);
4985 return origFn
.apply( this, arguments
);
4988 // Use same guid so caller can remove using origFn
4989 fn
.guid
= origFn
.guid
|| ( origFn
.guid
= jQuery
.guid
++ );
4991 return elem
.each( function() {
4992 jQuery
.event
.add( this, types
, fn
, data
, selector
);
4997 * Helper functions for managing events -- not part of the public interface.
4998 * Props to Dean Edwards' addEvent library for many of the ideas.
5004 add: function( elem
, types
, handler
, data
, selector
) {
5006 var handleObjIn
, eventHandle
, tmp
,
5007 events
, t
, handleObj
,
5008 special
, handlers
, type
, namespaces
, origType
,
5009 elemData
= dataPriv
.get( elem
);
5011 // Don't attach events to noData or text/comment nodes (but allow plain objects)
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
;
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)
5026 jQuery
.find
.matchesSelector( documentElement
, selector
);
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
++;
5034 // Init the element's event structure and main handler, if this is the first
5035 if ( !( events
= elemData
.events
) ) {
5036 events
= elemData
.events
= {};
5038 if ( !( eventHandle
= elemData
.handle
) ) {
5039 eventHandle
= elemData
.handle = function( e
) {
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;
5048 // Handle multiple events separated by a space
5049 types
= ( types
|| "" ).match( rnothtmlwhite
) || [ "" ];
5052 tmp
= rtypenamespace
.exec( types
[ t
] ) || [];
5053 type
= origType
= tmp
[ 1 ];
5054 namespaces
= ( tmp
[ 2 ] || "" ).split( "." ).sort();
5056 // There *must* be a type, no attaching namespace-only handlers
5061 // If event changes its type, use the special event handlers for the changed type
5062 special
= jQuery
.event
.special
[ type
] || {};
5064 // If selector defined, determine special event api type, otherwise given type
5065 type
= ( selector
? special
.delegateType
: special
.bindType
) || type
;
5067 // Update special based on newly reset type
5068 special
= jQuery
.event
.special
[ type
] || {};
5070 // handleObj is passed to all event handlers
5071 handleObj
= jQuery
.extend( {
5078 needsContext
: selector
&& jQuery
.expr
.match
.needsContext
.test( selector
),
5079 namespace: namespaces
.join( "." )
5082 // Init the event handler queue if we're the first
5083 if ( !( handlers
= events
[ type
] ) ) {
5084 handlers
= events
[ type
] = [];
5085 handlers
.delegateCount
= 0;
5087 // Only use addEventListener if the special events handler returns false
5088 if ( !special
.setup
||
5089 special
.setup
.call( elem
, data
, namespaces
, eventHandle
) === false ) {
5091 if ( elem
.addEventListener
) {
5092 elem
.addEventListener( type
, eventHandle
);
5097 if ( special
.add
) {
5098 special
.add
.call( elem
, handleObj
);
5100 if ( !handleObj
.handler
.guid
) {
5101 handleObj
.handler
.guid
= handler
.guid
;
5105 // Add to the element's handler list, delegates in front
5107 handlers
.splice( handlers
.delegateCount
++, 0, handleObj
);
5109 handlers
.push( handleObj
);
5112 // Keep track of which events have ever been used, for event optimization
5113 jQuery
.event
.global
[ type
] = true;
5118 // Detach an event or set of events from an element
5119 remove: function( elem
, types
, handler
, selector
, mappedTypes
) {
5121 var j
, origCount
, tmp
,
5122 events
, t
, handleObj
,
5123 special
, handlers
, type
, namespaces
, origType
,
5124 elemData
= dataPriv
.hasData( elem
) && dataPriv
.get( elem
);
5126 if ( !elemData
|| !( events
= elemData
.events
) ) {
5130 // Once for each type.namespace in types; type may be omitted
5131 types
= ( types
|| "" ).match( rnothtmlwhite
) || [ "" ];
5134 tmp
= rtypenamespace
.exec( types
[ t
] ) || [];
5135 type
= origType
= tmp
[ 1 ];
5136 namespaces
= ( tmp
[ 2 ] || "" ).split( "." ).sort();
5138 // Unbind all events (on this namespace, if provided) for the element
5140 for ( type
in events
) {
5141 jQuery
.event
.remove( elem
, type
+ types
[ t
], handler
, selector
, true );
5146 special
= jQuery
.event
.special
[ type
] || {};
5147 type
= ( selector
? special
.delegateType
: special
.bindType
) || type
;
5148 handlers
= events
[ type
] || [];
5150 new RegExp( "(^|\\.)" + namespaces
.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5152 // Remove matching events
5153 origCount
= j
= handlers
.length
;
5155 handleObj
= handlers
[ j
];
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 );
5164 if ( handleObj
.selector
) {
5165 handlers
.delegateCount
--;
5167 if ( special
.remove
) {
5168 special
.remove
.call( elem
, handleObj
);
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 ) {
5179 jQuery
.removeEvent( elem
, type
, elemData
.handle
);
5182 delete events
[ type
];
5186 // Remove data and the expando if it's no longer used
5187 if ( jQuery
.isEmptyObject( events
) ) {
5188 dataPriv
.remove( elem
, "handle events" );
5192 dispatch: function( nativeEvent
) {
5194 // Make a writable jQuery.Event from the native event object
5195 var event
= jQuery
.event
.fix( nativeEvent
);
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
] || {};
5202 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5205 for ( i
= 1; i
< arguments
.length
; i
++ ) {
5206 args
[ i
] = arguments
[ i
];
5209 event
.delegateTarget
= this;
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 ) {
5216 // Determine handlers
5217 handlerQueue
= jQuery
.event
.handlers
.call( this, event
, handlers
);
5219 // Run delegates first; they may want to stop propagation beneath us
5221 while ( ( matched
= handlerQueue
[ i
++ ] ) && !event
.isPropagationStopped() ) {
5222 event
.currentTarget
= matched
.elem
;
5225 while ( ( handleObj
= matched
.handlers
[ j
++ ] ) &&
5226 !event
.isImmediatePropagationStopped() ) {
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 ) ) {
5233 event
.handleObj
= handleObj
;
5234 event
.data
= handleObj
.data
;
5236 ret
= ( ( jQuery
.event
.special
[ handleObj
.origType
] || {} ).handle
||
5237 handleObj
.handler
).apply( matched
.elem
, args
);
5239 if ( ret
!== undefined ) {
5240 if ( ( event
.result
= ret
) === false ) {
5241 event
.preventDefault();
5242 event
.stopPropagation();
5249 // Call the postDispatch hook for the mapped type
5250 if ( special
.postDispatch
) {
5251 special
.postDispatch
.call( this, event
);
5254 return event
.result
;
5257 handlers: function( event
, handlers
) {
5258 var i
, handleObj
, sel
, matchedHandlers
, matchedSelectors
,
5260 delegateCount
= handlers
.delegateCount
,
5263 // Find delegate handlers
5264 if ( delegateCount
&&
5267 // Black-hole SVG <use> instance trees (trac-13180)
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 ) ) {
5277 for ( ; cur
!== this; cur
= cur
.parentNode
|| this ) {
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
];
5287 // Don't conflict with Object.prototype properties (#13203)
5288 sel
= handleObj
.selector
+ " ";
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
;
5295 if ( matchedSelectors
[ sel
] ) {
5296 matchedHandlers
.push( handleObj
);
5299 if ( matchedHandlers
.length
) {
5300 handlerQueue
.push( { elem
: cur
, handlers
: matchedHandlers
} );
5306 // Add the remaining (directly-bound) handlers
5308 if ( delegateCount
< handlers
.length
) {
5309 handlerQueue
.push( { elem
: cur
, handlers
: handlers
.slice( delegateCount
) } );
5312 return handlerQueue
;
5315 addProp: function( name
, hook
) {
5316 Object
.defineProperty( jQuery
.Event
.prototype, name
, {
5320 get: isFunction( hook
) ?
5322 if ( this.originalEvent
) {
5323 return hook( this.originalEvent
);
5327 if ( this.originalEvent
) {
5328 return this.originalEvent
[ name
];
5332 set: function( value
) {
5333 Object
.defineProperty( this, name
, {
5343 fix: function( originalEvent
) {
5344 return originalEvent
[ jQuery
.expando
] ?
5346 new jQuery
.Event( originalEvent
);
5352 // Prevent triggered image.load events from bubbling to window.load
5357 // Utilize native event to ensure correct state for checkable inputs
5358 setup: function( data
) {
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
;
5364 // Claim the first handler
5365 if ( rcheckableType
.test( el
.type
) &&
5366 el
.click
&& nodeName( el
, "input" ) ) {
5368 // dataPriv.set( el, "click", ... )
5369 leverageNative( el
, "click", returnTrue
);
5372 // Return false to allow normal processing in the caller
5375 trigger: function( data
) {
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
;
5381 // Force setup before triggering a click
5382 if ( rcheckableType
.test( el
.type
) &&
5383 el
.click
&& nodeName( el
, "input" ) ) {
5385 leverageNative( el
, "click" );
5388 // Return non-false to allow normal event-path propagation
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" );
5404 postDispatch: function( event
) {
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
;
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
) {
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
);
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
, {
5434 handler: function( event
) {
5435 var notAsync
, result
,
5436 saved
= dataPriv
.get( this, type
);
5438 if ( ( event
.isTrigger
& 1 ) && this[ type
] ) {
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
) {
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
);
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
);
5456 result
= dataPriv
.get( this, type
);
5457 if ( saved
!== result
|| notAsync
) {
5458 dataPriv
.set( this, type
, false );
5462 if ( saved
!== result
) {
5464 // Cancel the outer synthetic event
5465 event
.stopImmediatePropagation();
5466 event
.preventDefault();
5467 return result
.value
;
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();
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
) {
5484 // ...and capture the result
5485 dataPriv
.set( this, type
, {
5486 value
: jQuery
.event
.trigger(
5488 // Support: IE <=9 - 11+
5489 // Extend with the prototype to reset the above stopImmediatePropagation()
5490 jQuery
.extend( saved
[ 0 ], jQuery
.Event
.prototype ),
5496 // Abort handling of the native event
5497 event
.stopImmediatePropagation();
5503 jQuery
.removeEvent = function( elem
, type
, handle
) {
5505 // This "if" is needed for plain objects
5506 if ( elem
.removeEventListener
) {
5507 elem
.removeEventListener( type
, handle
);
5511 jQuery
.Event = function( src
, props
) {
5513 // Allow instantiation without the 'new' keyword
5514 if ( !( this instanceof jQuery
.Event
) ) {
5515 return new jQuery
.Event( src
, props
);
5519 if ( src
&& src
.type
) {
5520 this.originalEvent
= src
;
5521 this.type
= src
.type
;
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 &&
5528 // Support: Android <=2.3 only
5529 src
.returnValue
=== false ?
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
:
5540 this.currentTarget
= src
.currentTarget
;
5541 this.relatedTarget
= src
.relatedTarget
;
5548 // Put explicitly provided properties onto the event object
5550 jQuery
.extend( this, props
);
5553 // Create a timestamp if incoming event doesn't have one
5554 this.timeStamp
= src
&& src
.timeStamp
|| Date
.now();
5557 this[ jQuery
.expando
] = true;
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
,
5569 preventDefault: function() {
5570 var e
= this.originalEvent
;
5572 this.isDefaultPrevented
= returnTrue
;
5574 if ( e
&& !this.isSimulated
) {
5578 stopPropagation: function() {
5579 var e
= this.originalEvent
;
5581 this.isPropagationStopped
= returnTrue
;
5583 if ( e
&& !this.isSimulated
) {
5584 e
.stopPropagation();
5587 stopImmediatePropagation: function() {
5588 var e
= this.originalEvent
;
5590 this.isImmediatePropagationStopped
= returnTrue
;
5592 if ( e
&& !this.isSimulated
) {
5593 e
.stopImmediatePropagation();
5596 this.stopPropagation();
5600 // Includes all common event props including KeyEvent and MouseEvent specific props
5605 changedTouches
: true,
5629 targetTouches
: true,
5633 which: function( event
) {
5634 var button
= event
.button
;
5636 // Add which for key events
5637 if ( event
.which
== null && rkeyEvent
.test( event
.type
) ) {
5638 return event
.charCode
!= null ? event
.charCode
: event
.keyCode
;
5641 // Add which for click: 1 === left; 2 === middle; 3 === right
5642 if ( !event
.which
&& button
!== undefined && rmouseEvent
.test( event
.type
) ) {
5660 }, jQuery
.event
.addProp
);
5662 jQuery
.each( { focus
: "focusin", blur
: "focusout" }, function( type
, delegateType
) {
5663 jQuery
.event
.special
[ type
] = {
5665 // Utilize native event if possible so blur/focus sequence is correct
5668 // Claim the first handler
5669 // dataPriv.set( this, "focus", ... )
5670 // dataPriv.set( this, "blur", ... )
5671 leverageNative( this, type
, expectSync
);
5673 // Return false to allow normal processing in the caller
5676 trigger: function() {
5678 // Force setup before trigger
5679 leverageNative( this, type
);
5681 // Return non-false to allow normal event-path propagation
5685 delegateType
: delegateType
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
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).
5698 mouseenter
: "mouseover",
5699 mouseleave
: "mouseout",
5700 pointerenter
: "pointerover",
5701 pointerleave
: "pointerout"
5702 }, function( orig
, fix
) {
5703 jQuery
.event
.special
[ orig
] = {
5707 handle: function( event
) {
5710 related
= event
.relatedTarget
,
5711 handleObj
= event
.handleObj
;
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
);
5727 on: function( types
, selector
, data
, fn
) {
5728 return on( this, types
, selector
, data
, fn
);
5730 one: function( types
, selector
, data
, fn
) {
5731 return on( this, types
, selector
, data
, fn
, 1 );
5733 off: function( types
, selector
, fn
) {
5734 var handleObj
, type
;
5735 if ( types
&& types
.preventDefault
&& types
.handleObj
) {
5737 // ( event ) dispatched jQuery.Event
5738 handleObj
= types
.handleObj
;
5739 jQuery( types
.delegateTarget
).off(
5740 handleObj
.namespace ?
5741 handleObj
.origType
+ "." + handleObj
.namespace :
5748 if ( typeof types
=== "object" ) {
5750 // ( types-object [, selector] )
5751 for ( type
in types
) {
5752 this.off( type
, selector
, types
[ type
] );
5756 if ( selector
=== false || typeof selector
=== "function" ) {
5760 selector
= undefined;
5762 if ( fn
=== false ) {
5765 return this.each( function() {
5766 jQuery
.event
.remove( this, types
, fn
, selector
);
5774 /* eslint-disable max-len */
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,
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,
5786 // checked="checked" or checked
5787 rchecked
= /checked\s*(?:[^=]|=\s*.checked.)/i,
5788 rcleanScript
= /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
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" ) ) {
5795 return jQuery( elem
).children( "tbody" )[ 0 ] || elem
;
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
;
5806 function restoreScript( elem
) {
5807 if ( ( elem
.type
|| "" ).slice( 0, 5 ) === "true/" ) {
5808 elem
.type
= elem
.type
.slice( 5 );
5810 elem
.removeAttribute( "type" );
5816 function cloneCopyEvent( src
, dest
) {
5817 var i
, l
, type
, pdataOld
, pdataCur
, udataOld
, udataCur
, events
;
5819 if ( dest
.nodeType
!== 1 ) {
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
;
5830 delete pdataCur
.handle
;
5831 pdataCur
.events
= {};
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
] );
5841 // 2. Copy user data
5842 if ( dataUser
.hasData( src
) ) {
5843 udataOld
= dataUser
.access( src
);
5844 udataCur
= jQuery
.extend( {}, udataOld
);
5846 dataUser
.set( dest
, udataCur
);
5850 // Fix IE bugs, see support tests
5851 function fixInput( src
, dest
) {
5852 var nodeName
= dest
.nodeName
.toLowerCase();
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
;
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
;
5864 function domManip( collection
, args
, callback
, ignored
) {
5866 // Flatten any nested arrays
5867 args
= concat
.apply( [], args
);
5869 var fragment
, first
, scripts
, hasScripts
, node
, doc
,
5871 l
= collection
.length
,
5874 valueIsFunction
= isFunction( value
);
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() );
5885 domManip( self
, args
, callback
, ignored
);
5890 fragment
= buildFragment( args
, collection
[ 0 ].ownerDocument
, false, collection
, ignored
);
5891 first
= fragment
.firstChild
;
5893 if ( fragment
.childNodes
.length
=== 1 ) {
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
;
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
++ ) {
5908 if ( i
!== iNoClone
) {
5909 node
= jQuery
.clone( node
, true, true );
5911 // Keep references to cloned scripts for later restoration
5914 // Support: Android <=4.0 only, PhantomJS 1 only
5915 // push.apply(_, arraylike) throws on ancient WebKit
5916 jQuery
.merge( scripts
, getAll( node
, "script" ) );
5920 callback
.call( collection
[ i
], node
, i
);
5924 doc
= scripts
[ scripts
.length
- 1 ].ownerDocument
;
5927 jQuery
.map( scripts
, restoreScript
);
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
) ) {
5936 if ( node
.src
&& ( node
.type
|| "" ).toLowerCase() !== "module" ) {
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" )
5945 DOMEval( node
.textContent
.replace( rcleanScript
, "" ), node
, doc
);
5956 function remove( elem
, selector
, keepData
) {
5958 nodes
= selector
? jQuery
.filter( selector
, elem
) : elem
,
5961 for ( ; ( node
= nodes
[ i
] ) != null; i
++ ) {
5962 if ( !keepData
&& node
.nodeType
=== 1 ) {
5963 jQuery
.cleanData( getAll( node
) );
5966 if ( node
.parentNode
) {
5967 if ( keepData
&& isAttached( node
) ) {
5968 setGlobalEval( getAll( node
, "script" ) );
5970 node
.parentNode
.removeChild( node
);
5978 htmlPrefilter: function( html
) {
5979 return html
.replace( rxhtmlTag
, "<$1></$2>" );
5982 clone: function( elem
, dataAndEvents
, deepDataAndEvents
) {
5983 var i
, l
, srcElements
, destElements
,
5984 clone
= elem
.cloneNode( true ),
5985 inPage
= isAttached( elem
);
5987 // Fix IE cloning issues
5988 if ( !support
.noCloneChecked
&& ( elem
.nodeType
=== 1 || elem
.nodeType
=== 11 ) &&
5989 !jQuery
.isXMLDoc( elem
) ) {
5991 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5992 destElements
= getAll( clone
);
5993 srcElements
= getAll( elem
);
5995 for ( i
= 0, l
= srcElements
.length
; i
< l
; i
++ ) {
5996 fixInput( srcElements
[ i
], destElements
[ i
] );
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
);
6006 for ( i
= 0, l
= srcElements
.length
; i
< l
; i
++ ) {
6007 cloneCopyEvent( srcElements
[ i
], destElements
[ i
] );
6010 cloneCopyEvent( elem
, clone
);
6014 // Preserve script evaluation history
6015 destElements
= getAll( clone
, "script" );
6016 if ( destElements
.length
> 0 ) {
6017 setGlobalEval( destElements
, !inPage
&& getAll( elem
, "script" ) );
6020 // Return the cloned set
6024 cleanData: function( elems
) {
6025 var data
, elem
, type
,
6026 special
= jQuery
.event
.special
,
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
);
6037 // This is a shortcut to avoid jQuery.event.remove's overhead
6039 jQuery
.removeEvent( elem
, type
, data
.handle
);
6044 // Support: Chrome <=35 - 45+
6045 // Assign undefined instead of using delete, see Data#remove
6046 elem
[ dataPriv
.expando
] = undefined;
6048 if ( elem
[ dataUser
.expando
] ) {
6050 // Support: Chrome <=35 - 45+
6051 // Assign undefined instead of using delete, see Data#remove
6052 elem
[ dataUser
.expando
] = undefined;
6060 detach: function( selector
) {
6061 return remove( this, selector
, true );
6064 remove: function( selector
) {
6065 return remove( this, selector
);
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
;
6077 }, null, value
, arguments
.length
);
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
);
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
);
6098 before: function() {
6099 return domManip( this, arguments
, function( elem
) {
6100 if ( this.parentNode
) {
6101 this.parentNode
.insertBefore( elem
, this );
6107 return domManip( this, arguments
, function( elem
) {
6108 if ( this.parentNode
) {
6109 this.parentNode
.insertBefore( elem
, this.nextSibling
);
6118 for ( ; ( elem
= this[ i
] ) != null; i
++ ) {
6119 if ( elem
.nodeType
=== 1 ) {
6121 // Prevent memory leaks
6122 jQuery
.cleanData( getAll( elem
, false ) );
6124 // Remove any remaining nodes
6125 elem
.textContent
= "";
6132 clone: function( dataAndEvents
, deepDataAndEvents
) {
6133 dataAndEvents
= dataAndEvents
== null ? false : dataAndEvents
;
6134 deepDataAndEvents
= deepDataAndEvents
== null ? dataAndEvents
: deepDataAndEvents
;
6136 return this.map( function() {
6137 return jQuery
.clone( this, dataAndEvents
, deepDataAndEvents
);
6141 html: function( value
) {
6142 return access( this, function( value
) {
6143 var elem
= this[ 0 ] || {},
6147 if ( value
=== undefined && elem
.nodeType
=== 1 ) {
6148 return elem
.innerHTML
;
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() ] ) {
6155 value
= jQuery
.htmlPrefilter( value
);
6158 for ( ; i
< l
; i
++ ) {
6159 elem
= this[ i
] || {};
6161 // Remove element nodes and prevent memory leaks
6162 if ( elem
.nodeType
=== 1 ) {
6163 jQuery
.cleanData( getAll( elem
, false ) );
6164 elem
.innerHTML
= value
;
6170 // If using innerHTML throws an exception, use the fallback method
6175 this.empty().append( value
);
6177 }, null, value
, arguments
.length
);
6180 replaceWith: function() {
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
;
6187 if ( jQuery
.inArray( this, ignored
) < 0 ) {
6188 jQuery
.cleanData( getAll( this ) );
6190 parent
.replaceChild( elem
, this );
6194 // Force callback invocation
6201 prependTo
: "prepend",
6202 insertBefore
: "before",
6203 insertAfter
: "after",
6204 replaceAll
: "replaceWith"
6205 }, function( name
, original
) {
6206 jQuery
.fn
[ name
] = function( selector
) {
6209 insert
= jQuery( selector
),
6210 last
= insert
.length
- 1,
6213 for ( ; i
<= last
; i
++ ) {
6214 elems
= i
=== last
? this : this.clone( true );
6215 jQuery( insert
[ i
] )[ original
]( elems
);
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() );
6222 return this.pushStack( ret
);
6225 var rnumnonpx
= new RegExp( "^(" + pnum
+ ")(?!px)[a-z%]+$", "i" );
6227 var getStyles = function( elem
) {
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
;
6234 if ( !view
|| !view
.opener
) {
6238 return view
.getComputedStyle( elem
);
6241 var rboxStyle
= new RegExp( cssExpand
.join( "|" ), "i" );
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() {
6251 // This is a singleton, we need to execute it only once
6256 container
.style
.cssText
= "position:absolute;left:-11111px;width:60px;" +
6257 "margin-top:1px;padding:0;border:0";
6259 "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6260 "margin:auto;border:1px;padding:1px;" +
6262 documentElement
.appendChild( container
).appendChild( div
);
6264 var divStyle
= window
.getComputedStyle( div
);
6265 pixelPositionVal
= divStyle
.top
!== "1%";
6267 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6268 reliableMarginLeftVal
= roundPixelMeasures( divStyle
.marginLeft
) === 12;
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;
6275 // Support: IE 9 - 11 only
6276 // Detect misreporting of content dimensions for box-sizing:border-box elements
6277 boxSizingReliableVal
= roundPixelMeasures( divStyle
.width
) === 36;
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;
6286 documentElement
.removeChild( container
);
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
6293 function roundPixelMeasures( measure
) {
6294 return Math
.round( parseFloat( measure
) );
6297 var pixelPositionVal
, boxSizingReliableVal
, scrollboxSizeVal
, pixelBoxStylesVal
,
6298 reliableMarginLeftVal
,
6299 container
= document
.createElement( "div" ),
6300 div
= document
.createElement( "div" );
6302 // Finish early in limited (non-browser) environments
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";
6313 jQuery
.extend( support
, {
6314 boxSizingReliable: function() {
6315 computeStyleTests();
6316 return boxSizingReliableVal
;
6318 pixelBoxStyles: function() {
6319 computeStyleTests();
6320 return pixelBoxStylesVal
;
6322 pixelPosition: function() {
6323 computeStyleTests();
6324 return pixelPositionVal
;
6326 reliableMarginLeft: function() {
6327 computeStyleTests();
6328 return reliableMarginLeftVal
;
6330 scrollboxSize: function() {
6331 computeStyleTests();
6332 return scrollboxSizeVal
;
6338 function curCSS( elem
, name
, computed
) {
6339 var width
, minWidth
, maxWidth
, ret
,
6341 // Support: Firefox 51+
6342 // Retrieving style before computed somehow
6343 // fixes an issue with getting wrong values
6344 // on detached elements
6347 computed
= computed
|| getStyles( elem
);
6349 // getPropertyValue is needed for:
6350 // .css('filter') (IE 9 only, #12537)
6351 // .css('--customProperty) (#3144)
6353 ret
= computed
.getPropertyValue( name
) || computed
[ name
];
6355 if ( ret
=== "" && !isAttached( elem
) ) {
6356 ret
= jQuery
.style( elem
, name
);
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
) ) {
6366 // Remember the original values
6367 width
= style
.width
;
6368 minWidth
= style
.minWidth
;
6369 maxWidth
= style
.maxWidth
;
6371 // Put in the new values to get a computed value out
6372 style
.minWidth
= style
.maxWidth
= style
.width
= ret
;
6373 ret
= computed
.width
;
6375 // Revert the changed values
6376 style
.width
= width
;
6377 style
.minWidth
= minWidth
;
6378 style
.maxWidth
= maxWidth
;
6382 return ret
!== undefined ?
6384 // Support: IE <=9 - 11 only
6385 // IE returns zIndex value as an integer.
6391 function addGetHookIf( conditionFn
, hookFn
) {
6393 // Define the hook, we'll check on the first run if it's really needed.
6396 if ( conditionFn() ) {
6398 // Hook not needed (or it's not possible to use it due
6399 // to missing dependency), remove it.
6404 // Hook needed; redefine it so that the support test is not executed again.
6405 return ( this.get = hookFn
).apply( this, arguments
);
6411 var cssPrefixes
= [ "Webkit", "Moz", "ms" ],
6412 emptyStyle
= document
.createElement( "div" ).style
,
6415 // Return a vendor-prefixed property or undefined
6416 function vendorPropName( name
) {
6418 // Check for vendor prefixed names
6419 var capName
= name
[ 0 ].toUpperCase() + name
.slice( 1 ),
6420 i
= cssPrefixes
.length
;
6423 name
= cssPrefixes
[ i
] + capName
;
6424 if ( name
in emptyStyle
) {
6430 // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6431 function finalPropName( name
) {
6432 var final
= jQuery
.cssProps
[ name
] || vendorProps
[ name
];
6437 if ( name
in emptyStyle
) {
6440 return vendorProps
[ name
] = vendorPropName( name
) || name
;
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
= {
6457 function setPositiveNumber( elem
, value
, subtract
) {
6459 // Any relative (+/-) values have already been
6460 // normalized at this point
6461 var matches
= rcssNum
.exec( value
);
6464 // Guard against undefined "subtract", e.g., when used as in cssHooks
6465 Math
.max( 0, matches
[ 2 ] - ( subtract
|| 0 ) ) + ( matches
[ 3 ] || "px" ) :
6469 function boxModelAdjustment( elem
, dimension
, box
, isBorderBox
, styles
, computedVal
) {
6470 var i
= dimension
=== "width" ? 1 : 0,
6474 // Adjustment may not be necessary
6475 if ( box
=== ( isBorderBox
? "border" : "content" ) ) {
6479 for ( ; i
< 4; i
+= 2 ) {
6481 // Both box models exclude margin
6482 if ( box
=== "margin" ) {
6483 delta
+= jQuery
.css( elem
, box
+ cssExpand
[ i
], true, styles
);
6486 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6487 if ( !isBorderBox
) {
6490 delta
+= jQuery
.css( elem
, "padding" + cssExpand
[ i
], true, styles
);
6492 // For "border" or "margin", add border
6493 if ( box
!== "padding" ) {
6494 delta
+= jQuery
.css( elem
, "border" + cssExpand
[ i
] + "Width", true, styles
);
6496 // But still keep track of it otherwise
6498 extra
+= jQuery
.css( elem
, "border" + cssExpand
[ i
] + "Width", true, styles
);
6501 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6502 // "padding" or "margin"
6505 // For "content", subtract padding
6506 if ( box
=== "content" ) {
6507 delta
-= jQuery
.css( elem
, "padding" + cssExpand
[ i
], true, styles
);
6510 // For "content" or "padding", subtract border
6511 if ( box
!== "margin" ) {
6512 delta
-= jQuery
.css( elem
, "border" + cssExpand
[ i
] + "Width", true, styles
);
6517 // Account for positive content-box scroll gutter when requested by providing computedVal
6518 if ( !isBorderBox
&& computedVal
>= 0 ) {
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 ) ] -
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)
6537 function getWidthOrHeight( elem
, dimension
, extra
) {
6539 // Start with computed style
6540 var styles
= getStyles( elem
),
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
,
6549 val
= curCSS( elem
, dimension
, styles
),
6550 offsetProp
= "offset" + dimension
[ 0 ].toUpperCase() + dimension
.slice( 1 );
6552 // Support: Firefox <=54
6553 // Return a confounding non-pixel value or feign ignorance, as appropriate.
6554 if ( rnumnonpx
.test( val
) ) {
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
||
6572 !parseFloat( val
) && jQuery
.css( elem
, "display", false, styles
) === "inline" ) &&
6573 elem
.getClientRects().length
) {
6575 isBorderBox
= jQuery
.css( elem
, "boxSizing", false, styles
) === "border-box";
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
];
6586 // Normalize "" and auto
6587 val
= parseFloat( val
) || 0;
6589 // Adjust for the element's box model
6594 extra
|| ( isBorderBox
? "border" : "content" ),
6598 // Provide the current computed size to request scroll gutter calculation (gh-3589)
6606 // Add in style property hooks for overriding the default
6607 // behavior of getting and setting a style property
6610 get: function( elem
, computed
) {
6613 // We should always get a number back from opacity
6614 var ret
= curCSS( elem
, "opacity" );
6615 return ret
=== "" ? "1" : ret
;
6621 // Don't automatically add "px" to these possibly-unitless properties
6623 "animationIterationCount": true,
6624 "columnCount": true,
6625 "fillOpacity": true,
6631 "gridColumnEnd": true,
6632 "gridColumnStart": true,
6635 "gridRowStart": true,
6645 // Add in properties whose names you wish to fix before
6646 // setting or getting the value
6649 // Get and set the style property on a DOM Node
6650 style: function( elem
, name
, value
, extra
) {
6652 // Don't set styles on text and comment nodes
6653 if ( !elem
|| elem
.nodeType
=== 3 || elem
.nodeType
=== 8 || !elem
.style
) {
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
),
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
);
6670 // Gets hook for the prefixed version, then unprefixed version
6671 hooks
= jQuery
.cssHooks
[ name
] || jQuery
.cssHooks
[ origName
];
6673 // Check if we're setting a value
6674 if ( value
!== undefined ) {
6675 type
= typeof value
;
6677 // Convert "+=" or "-=" to relative numbers (#7345)
6678 if ( type
=== "string" && ( ret
= rcssNum
.exec( value
) ) && ret
[ 1 ] ) {
6679 value
= adjustCSS( elem
, name
, ret
);
6685 // Make sure that null and NaN values aren't set (#7116)
6686 if ( value
== null || value
!== value
) {
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" );
6697 // background-* props affect original clone's values
6698 if ( !support
.clearCloneStyle
&& value
=== "" && name
.indexOf( "background" ) === 0 ) {
6699 style
[ name
] = "inherit";
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 ) {
6706 if ( isCustomProp
) {
6707 style
.setProperty( name
, value
);
6709 style
[ name
] = value
;
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 ) {
6722 // Otherwise just get the value from the style object
6723 return style
[ name
];
6727 css: function( elem
, name
, extra
, styles
) {
6728 var val
, num
, hooks
,
6729 origName
= camelCase( name
),
6730 isCustomProp
= rcustomProp
.test( name
);
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
);
6739 // Try prefixed name followed by the unprefixed name
6740 hooks
= jQuery
.cssHooks
[ name
] || jQuery
.cssHooks
[ origName
];
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
);
6747 // Otherwise, if a way to get the computed value exists, use that
6748 if ( val
=== undefined ) {
6749 val
= curCSS( elem
, name
, styles
);
6752 // Convert "normal" to computed value
6753 if ( val
=== "normal" && name
in cssNormalTransform
) {
6754 val
= cssNormalTransform
[ name
];
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
;
6767 jQuery
.each( [ "height", "width" ], function( i
, dimension
) {
6768 jQuery
.cssHooks
[ dimension
] = {
6769 get: function( elem
, computed
, extra
) {
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" ) ) &&
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
);
6786 getWidthOrHeight( elem
, dimension
, extra
);
6790 set: function( elem
, value
, extra
) {
6792 styles
= getStyles( elem
),
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",
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",
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
) -
6824 // Convert to pixels if value adjustment is needed
6825 if ( subtract
&& ( matches
= rcssNum
.exec( value
) ) &&
6826 ( matches
[ 3 ] || "px" ) !== "px" ) {
6828 elem
.style
[ dimension
] = value
;
6829 value
= jQuery
.css( elem
, dimension
);
6832 return setPositiveNumber( elem
, value
, subtract
);
6837 jQuery
.cssHooks
.marginLeft
= addGetHookIf( support
.reliableMarginLeft
,
6838 function( elem
, computed
) {
6840 return ( parseFloat( curCSS( elem
, "marginLeft" ) ) ||
6841 elem
.getBoundingClientRect().left
-
6842 swap( elem
, { marginLeft
: 0 }, function() {
6843 return elem
.getBoundingClientRect().left
;
6850 // These hooks are used by animate to expand properties
6855 }, function( prefix
, suffix
) {
6856 jQuery
.cssHooks
[ prefix
+ suffix
] = {
6857 expand: function( value
) {
6861 // Assumes a single number if not a string
6862 parts
= typeof value
=== "string" ? value
.split( " " ) : [ value
];
6864 for ( ; i
< 4; i
++ ) {
6865 expanded
[ prefix
+ cssExpand
[ i
] + suffix
] =
6866 parts
[ i
] || parts
[ i
- 2 ] || parts
[ 0 ];
6873 if ( prefix
!== "margin" ) {
6874 jQuery
.cssHooks
[ prefix
+ suffix
].set = setPositiveNumber
;
6879 css: function( name
, value
) {
6880 return access( this, function( elem
, name
, value
) {
6885 if ( Array
.isArray( name
) ) {
6886 styles
= getStyles( elem
);
6889 for ( ; i
< len
; i
++ ) {
6890 map
[ name
[ i
] ] = jQuery
.css( elem
, name
[ i
], false, styles
);
6896 return value
!== undefined ?
6897 jQuery
.style( elem
, name
, value
) :
6898 jQuery
.css( elem
, name
);
6899 }, name
, value
, arguments
.length
> 1 );
6904 function Tween( elem
, options
, prop
, end
, easing
) {
6905 return new Tween
.prototype.init( elem
, options
, prop
, end
, easing
);
6907 jQuery
.Tween
= Tween
;
6911 init: function( elem
, options
, prop
, end
, easing
, unit
) {
6914 this.easing
= easing
|| jQuery
.easing
._default
;
6915 this.options
= options
;
6916 this.start
= this.now
= this.cur();
6918 this.unit
= unit
|| ( jQuery
.cssNumber
[ prop
] ? "" : "px" );
6921 var hooks
= Tween
.propHooks
[ this.prop
];
6923 return hooks
&& hooks
.get ?
6925 Tween
.propHooks
._default
.get( this );
6927 run: function( percent
) {
6929 hooks
= Tween
.propHooks
[ this.prop
];
6931 if ( this.options
.duration
) {
6932 this.pos
= eased
= jQuery
.easing
[ this.easing
](
6933 percent
, this.options
.duration
* percent
, 0, 1, this.options
.duration
6936 this.pos
= eased
= percent
;
6938 this.now
= ( this.end
- this.start
) * eased
+ this.start
;
6940 if ( this.options
.step
) {
6941 this.options
.step
.call( this.elem
, this.now
, this );
6944 if ( hooks
&& hooks
.set ) {
6947 Tween
.propHooks
._default
.set( this );
6953 Tween
.prototype.init
.prototype = Tween
.prototype;
6957 get: function( tween
) {
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
];
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
, "" );
6973 // Empty strings, null, undefined and "auto" are converted to 0.
6974 return !result
|| result
=== "auto" ? 0 : result
;
6976 set: function( tween
) {
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
);
6988 tween
.elem
[ tween
.prop
] = tween
.now
;
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
;
7005 linear: function( p
) {
7008 swing: function( p
) {
7009 return 0.5 - Math
.cos( p
* Math
.PI
) / 2;
7014 jQuery
.fx
= Tween
.prototype.init
;
7016 // Back compat <1.8 extension point
7017 jQuery
.fx
.step
= {};
7024 rfxtypes
= /^(?:toggle|show|hide)$/,
7025 rrun
= /queueHooks$/;
7027 function schedule() {
7029 if ( document
.hidden
=== false && window
.requestAnimationFrame
) {
7030 window
.requestAnimationFrame( schedule
);
7032 window
.setTimeout( schedule
, jQuery
.fx
.interval
);
7039 // Animations created synchronously will run synchronously
7040 function createFxNow() {
7041 window
.setTimeout( function() {
7044 return ( fxNow
= Date
.now() );
7047 // Generate parameters to create a standard animation
7048 function genFx( type
, includeWidth
) {
7051 attrs
= { height
: type
};
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
;
7061 if ( includeWidth
) {
7062 attrs
.opacity
= attrs
.width
= type
;
7068 function createTween( value
, prop
, animation
) {
7070 collection
= ( Animation
.tweeners
[ prop
] || [] ).concat( Animation
.tweeners
[ "*" ] ),
7072 length
= collection
.length
;
7073 for ( ; index
< length
; index
++ ) {
7074 if ( ( tween
= collection
[ index
].call( animation
, prop
, value
) ) ) {
7076 // We're done with this property
7082 function defaultPrefilter( elem
, props
, opts
) {
7083 var prop
, value
, toggle
, hooks
, oldfire
, propTween
, restoreDisplay
, display
,
7084 isBox
= "width" in props
|| "height" in props
,
7088 hidden
= elem
.nodeType
&& isHiddenWithinTree( elem
),
7089 dataShow
= dataPriv
.get( elem
, "fxshow" );
7091 // Queue-skipping animations hijack the fx hooks
7092 if ( !opts
.queue
) {
7093 hooks
= jQuery
._queueHooks( elem
, "fx" );
7094 if ( hooks
.unqueued
== null ) {
7096 oldfire
= hooks
.empty
.fire
;
7097 hooks
.empty
.fire = function() {
7098 if ( !hooks
.unqueued
) {
7105 anim
.always( function() {
7107 // Ensure the complete handler is called before this completes
7108 anim
.always( function() {
7110 if ( !jQuery
.queue( elem
, "fx" ).length
) {
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" ) ) {
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 ) {
7130 // Ignore all other no-op show/hide data
7135 orig
[ prop
] = dataShow
&& dataShow
[ prop
] || jQuery
.style( elem
, prop
);
7139 // Bail out if this is a no-op like .hide().hide()
7140 propTween
= !jQuery
.isEmptyObject( props
);
7141 if ( !propTween
&& jQuery
.isEmptyObject( orig
) ) {
7145 // Restrict "overflow" and "display" styles during box animations
7146 if ( isBox
&& elem
.nodeType
=== 1 ) {
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
];
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" );
7159 display
= jQuery
.css( elem
, "display" );
7160 if ( display
=== "none" ) {
7161 if ( restoreDisplay
) {
7162 display
= restoreDisplay
;
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
] );
7173 // Animate inline elements as inline-block
7174 if ( display
=== "inline" || display
=== "inline-block" && restoreDisplay
!= null ) {
7175 if ( jQuery
.css( elem
, "float" ) === "none" ) {
7177 // Restore the original display value at the end of pure show/hide animations
7179 anim
.done( function() {
7180 style
.display
= restoreDisplay
;
7182 if ( restoreDisplay
== null ) {
7183 display
= style
.display
;
7184 restoreDisplay
= display
=== "none" ? "" : display
;
7187 style
.display
= "inline-block";
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 ];
7201 // Implement show/hide animations
7203 for ( prop
in orig
) {
7205 // General show/hide setup for this element animation
7208 if ( "hidden" in dataShow
) {
7209 hidden
= dataShow
.hidden
;
7212 dataShow
= dataPriv
.access( elem
, "fxshow", { display
: restoreDisplay
} );
7215 // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
7217 dataShow
.hidden
= !hidden
;
7220 // Show elements before animating them
7222 showHide( [ elem
], true );
7225 /* eslint-disable no-loop-func */
7227 anim
.done( function() {
7229 /* eslint-enable no-loop-func */
7231 // The final step of a "hide" animation is actually hiding the element
7233 showHide( [ elem
] );
7235 dataPriv
.remove( elem
, "fxshow" );
7236 for ( prop
in orig
) {
7237 jQuery
.style( elem
, prop
, orig
[ prop
] );
7242 // Per-property setup
7243 propTween
= createTween( hidden
? dataShow
[ prop
] : 0, prop
, anim
);
7244 if ( !( prop
in dataShow
) ) {
7245 dataShow
[ prop
] = propTween
.start
;
7247 propTween
.end
= propTween
.start
;
7248 propTween
.start
= 0;
7254 function propFilter( props
, specialEasing
) {
7255 var index
, name
, easing
, value
, hooks
;
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 ];
7267 if ( index
!== name
) {
7268 props
[ name
] = value
;
7269 delete props
[ index
];
7272 hooks
= jQuery
.cssHooks
[ name
];
7273 if ( hooks
&& "expand" in hooks
) {
7274 value
= hooks
.expand( value
);
7275 delete props
[ name
];
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
;
7286 specialEasing
[ name
] = easing
;
7291 function Animation( elem
, properties
, options
) {
7295 length
= Animation
.prefilters
.length
,
7296 deferred
= jQuery
.Deferred().always( function() {
7298 // Don't match elem in the :animated selector
7305 var currentTime
= fxNow
|| createFxNow(),
7306 remaining
= Math
.max( 0, animation
.startTime
+ animation
.duration
- currentTime
),
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,
7313 length
= animation
.tweens
.length
;
7315 for ( ; index
< length
; index
++ ) {
7316 animation
.tweens
[ index
].run( percent
);
7319 deferred
.notifyWith( elem
, [ animation
, percent
, remaining
] );
7321 // If there's more to do, yield
7322 if ( percent
< 1 && length
) {
7326 // If this was an empty animation, synthesize a final progress notification
7328 deferred
.notifyWith( elem
, [ animation
, 1, 0 ] );
7331 // Resolve the animation and report its conclusion
7332 deferred
.resolveWith( elem
, [ animation
] );
7335 animation
= deferred
.promise( {
7337 props
: jQuery
.extend( {}, properties
),
7338 opts
: jQuery
.extend( true, {
7340 easing
: jQuery
.easing
._default
7342 originalProperties
: properties
,
7343 originalOptions
: options
,
7344 startTime
: fxNow
|| createFxNow(),
7345 duration
: options
.duration
,
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
);
7353 stop: function( gotoEnd
) {
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;
7363 for ( ; index
< length
; index
++ ) {
7364 animation
.tweens
[ index
].run( 1 );
7367 // Resolve when we played the last frame; otherwise, reject
7369 deferred
.notifyWith( elem
, [ animation
, 1, 0 ] );
7370 deferred
.resolveWith( elem
, [ animation
, gotoEnd
] );
7372 deferred
.rejectWith( elem
, [ animation
, gotoEnd
] );
7377 props
= animation
.props
;
7379 propFilter( props
, animation
.opts
.specialEasing
);
7381 for ( ; index
< length
; index
++ ) {
7382 result
= Animation
.prefilters
[ index
].call( animation
, elem
, props
, animation
.opts
);
7384 if ( isFunction( result
.stop
) ) {
7385 jQuery
._queueHooks( animation
.elem
, animation
.opts
.queue
).stop
=
7386 result
.stop
.bind( result
);
7392 jQuery
.map( props
, createTween
, animation
);
7394 if ( isFunction( animation
.opts
.start
) ) {
7395 animation
.opts
.start
.call( elem
, animation
);
7398 // Attach callbacks from options
7400 .progress( animation
.opts
.progress
)
7401 .done( animation
.opts
.done
, animation
.opts
.complete
)
7402 .fail( animation
.opts
.fail
)
7403 .always( animation
.opts
.always
);
7406 jQuery
.extend( tick
, {
7409 queue
: animation
.opts
.queue
7416 jQuery
.Animation
= jQuery
.extend( Animation
, {
7419 "*": [ function( prop
, value
) {
7420 var tween
= this.createTween( prop
, value
);
7421 adjustCSS( tween
.elem
, prop
, rcssNum
.exec( value
), tween
);
7426 tweener: function( props
, callback
) {
7427 if ( isFunction( props
) ) {
7431 props
= props
.match( rnothtmlwhite
);
7436 length
= props
.length
;
7438 for ( ; index
< length
; index
++ ) {
7439 prop
= props
[ index
];
7440 Animation
.tweeners
[ prop
] = Animation
.tweeners
[ prop
] || [];
7441 Animation
.tweeners
[ prop
].unshift( callback
);
7445 prefilters
: [ defaultPrefilter
],
7447 prefilter: function( callback
, prepend
) {
7449 Animation
.prefilters
.unshift( callback
);
7451 Animation
.prefilters
.push( callback
);
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
,
7461 easing
: fn
&& easing
|| easing
&& !isFunction( easing
) && easing
7464 // Go to the end state if fx are off
7465 if ( jQuery
.fx
.off
) {
7469 if ( typeof opt
.duration
!== "number" ) {
7470 if ( opt
.duration
in jQuery
.fx
.speeds
) {
7471 opt
.duration
= jQuery
.fx
.speeds
[ opt
.duration
];
7474 opt
.duration
= jQuery
.fx
.speeds
._default
;
7479 // Normalize opt.queue - true/undefined/null -> "fx"
7480 if ( opt
.queue
== null || opt
.queue
=== true ) {
7485 opt
.old
= opt
.complete
;
7487 opt
.complete = function() {
7488 if ( isFunction( opt
.old
) ) {
7489 opt
.old
.call( this );
7493 jQuery
.dequeue( this, opt
.queue
);
7501 fadeTo: function( speed
, to
, easing
, callback
) {
7503 // Show any hidden elements after setting opacity to 0
7504 return this.filter( isHiddenWithinTree
).css( "opacity", 0 ).show()
7506 // Animate to the value specified
7507 .end().animate( { opacity
: to
}, speed
, easing
, callback
);
7509 animate: function( prop
, speed
, easing
, callback
) {
7510 var empty
= jQuery
.isEmptyObject( prop
),
7511 optall
= jQuery
.speed( speed
, easing
, callback
),
7512 doAnimation = function() {
7514 // Operate on a copy of prop so per-property easing won't be lost
7515 var anim
= Animation( this, jQuery
.extend( {}, prop
), optall
);
7517 // Empty animations, or finishing resolves immediately
7518 if ( empty
|| dataPriv
.get( this, "finish" ) ) {
7522 doAnimation
.finish
= doAnimation
;
7524 return empty
|| optall
.queue
=== false ?
7525 this.each( doAnimation
) :
7526 this.queue( optall
.queue
, doAnimation
);
7528 stop: function( type
, clearQueue
, gotoEnd
) {
7529 var stopQueue = function( hooks
) {
7530 var stop
= hooks
.stop
;
7535 if ( typeof type
!== "string" ) {
7536 gotoEnd
= clearQueue
;
7540 if ( clearQueue
&& type
!== false ) {
7541 this.queue( type
|| "fx", [] );
7544 return this.each( function() {
7546 index
= type
!= null && type
+ "queueHooks",
7547 timers
= jQuery
.timers
,
7548 data
= dataPriv
.get( this );
7551 if ( data
[ index
] && data
[ index
].stop
) {
7552 stopQueue( data
[ index
] );
7555 for ( index
in data
) {
7556 if ( data
[ index
] && data
[ index
].stop
&& rrun
.test( index
) ) {
7557 stopQueue( data
[ index
] );
7562 for ( index
= timers
.length
; index
--; ) {
7563 if ( timers
[ index
].elem
=== this &&
7564 ( type
== null || timers
[ index
].queue
=== type
) ) {
7566 timers
[ index
].anim
.stop( gotoEnd
);
7568 timers
.splice( index
, 1 );
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
);
7580 finish: function( type
) {
7581 if ( type
!== false ) {
7582 type
= type
|| "fx";
7584 return this.each( function() {
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;
7592 // Enable finishing flag on private data
7595 // Empty the queue first
7596 jQuery
.queue( this, type
, [] );
7598 if ( hooks
&& hooks
.stop
) {
7599 hooks
.stop
.call( this, true );
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 );
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 );
7617 // Turn off finishing flag
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
);
7632 // Generate shortcuts for custom animations
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
);
7647 jQuery
.fx
.tick = function() {
7650 timers
= jQuery
.timers
;
7654 for ( ; i
< timers
.length
; i
++ ) {
7655 timer
= timers
[ i
];
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 );
7663 if ( !timers
.length
) {
7669 jQuery
.fx
.timer = function( timer
) {
7670 jQuery
.timers
.push( timer
);
7674 jQuery
.fx
.interval
= 13;
7675 jQuery
.fx
.start = function() {
7684 jQuery
.fx
.stop = function() {
7688 jQuery
.fx
.speeds
= {
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";
7703 return this.queue( type
, function( next
, hooks
) {
7704 var timeout
= window
.setTimeout( next
, time
);
7705 hooks
.stop = function() {
7706 window
.clearTimeout( timeout
);
7713 var input
= document
.createElement( "input" ),
7714 select
= document
.createElement( "select" ),
7715 opt
= select
.appendChild( document
.createElement( "option" ) );
7717 input
.type
= "checkbox";
7719 // Support: Android <=4.3 only
7720 // Default value for a checkbox should be "on"
7721 support
.checkOn
= input
.value
!== "";
7723 // Support: IE <=11 only
7724 // Must access selectedIndex to make default options select
7725 support
.optSelected
= opt
.selected
;
7727 // Support: IE <=11 only
7728 // An input loses its value after becoming a radio
7729 input
= document
.createElement( "input" );
7731 input
.type
= "radio";
7732 support
.radioValue
= input
.value
=== "t";
7737 attrHandle
= jQuery
.expr
.attrHandle
;
7740 attr: function( name
, value
) {
7741 return access( this, jQuery
.attr
, name
, value
, arguments
.length
> 1 );
7744 removeAttr: function( name
) {
7745 return this.each( function() {
7746 jQuery
.removeAttr( this, name
);
7752 attr: function( elem
, name
, value
) {
7754 nType
= elem
.nodeType
;
7756 // Don't get/set attributes on text, comment and attribute nodes
7757 if ( nType
=== 3 || nType
=== 8 || nType
=== 2 ) {
7761 // Fallback to prop when attributes are not supported
7762 if ( typeof elem
.getAttribute
=== "undefined" ) {
7763 return jQuery
.prop( elem
, name
, value
);
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 );
7773 if ( value
!== undefined ) {
7774 if ( value
=== null ) {
7775 jQuery
.removeAttr( elem
, name
);
7779 if ( hooks
&& "set" in hooks
&&
7780 ( ret
= hooks
.set( elem
, value
, name
) ) !== undefined ) {
7784 elem
.setAttribute( name
, value
+ "" );
7788 if ( hooks
&& "get" in hooks
&& ( ret
= hooks
.get( elem
, name
) ) !== null ) {
7792 ret
= jQuery
.find
.attr( elem
, name
);
7794 // Non-existent attributes return null, we normalize to undefined
7795 return ret
== null ? undefined : ret
;
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
);
7814 removeAttr: function( elem
, value
) {
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
);
7822 if ( attrNames
&& elem
.nodeType
=== 1 ) {
7823 while ( ( name
= attrNames
[ i
++ ] ) ) {
7824 elem
.removeAttribute( name
);
7830 // Hooks for boolean attributes
7832 set: function( elem
, value
, name
) {
7833 if ( value
=== false ) {
7835 // Remove boolean attributes when set to false
7836 jQuery
.removeAttr( elem
, name
);
7838 elem
.setAttribute( name
, name
);
7844 jQuery
.each( jQuery
.expr
.match
.bool
.source
.match( /\w+/g ), function( i
, name
) {
7845 var getter
= attrHandle
[ name
] || jQuery
.find
.attr
;
7847 attrHandle
[ name
] = function( elem
, name
, isXML
) {
7849 lowercaseName
= name
.toLowerCase();
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 ?
7859 attrHandle
[ lowercaseName
] = handle
;
7868 var rfocusable
= /^(?:input|select|textarea|button)$/i,
7869 rclickable
= /^(?:a|area)$/i;
7872 prop: function( name
, value
) {
7873 return access( this, jQuery
.prop
, name
, value
, arguments
.length
> 1 );
7876 removeProp: function( name
) {
7877 return this.each( function() {
7878 delete this[ jQuery
.propFix
[ name
] || name
];
7884 prop: function( elem
, name
, value
) {
7886 nType
= elem
.nodeType
;
7888 // Don't get/set properties on text, comment and attribute nodes
7889 if ( nType
=== 3 || nType
=== 8 || nType
=== 2 ) {
7893 if ( nType
!== 1 || !jQuery
.isXMLDoc( elem
) ) {
7895 // Fix name and attach hooks
7896 name
= jQuery
.propFix
[ name
] || name
;
7897 hooks
= jQuery
.propHooks
[ name
];
7900 if ( value
!== undefined ) {
7901 if ( hooks
&& "set" in hooks
&&
7902 ( ret
= hooks
.set( elem
, value
, name
) ) !== undefined ) {
7906 return ( elem
[ name
] = value
);
7909 if ( hooks
&& "get" in hooks
&& ( ret
= hooks
.get( elem
, name
) ) !== null ) {
7913 return elem
[ name
];
7918 get: function( elem
) {
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" );
7928 return parseInt( tabindex
, 10 );
7932 rfocusable
.test( elem
.nodeName
) ||
7933 rclickable
.test( elem
.nodeName
) &&
7946 "class": "className"
7950 // Support: IE <=11 only
7951 // Accessing the selectedIndex property
7952 // forces the browser to respect setting selected
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
) {
7962 /* eslint no-unused-expressions: "off" */
7964 var parent
= elem
.parentNode
;
7965 if ( parent
&& parent
.parentNode
) {
7966 parent
.parentNode
.selectedIndex
;
7970 set: function( elem
) {
7972 /* eslint no-unused-expressions: "off" */
7974 var parent
= elem
.parentNode
;
7976 parent
.selectedIndex
;
7978 if ( parent
.parentNode
) {
7979 parent
.parentNode
.selectedIndex
;
7998 jQuery
.propFix
[ this.toLowerCase() ] = this;
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( " " );
8012 function getClass( elem
) {
8013 return elem
.getAttribute
&& elem
.getAttribute( "class" ) || "";
8016 function classesToArray( value
) {
8017 if ( Array
.isArray( value
) ) {
8020 if ( typeof value
=== "string" ) {
8021 return value
.match( rnothtmlwhite
) || [];
8027 addClass: function( value
) {
8028 var classes
, elem
, cur
, curValue
, clazz
, j
, finalValue
,
8031 if ( isFunction( value
) ) {
8032 return this.each( function( j
) {
8033 jQuery( this ).addClass( value
.call( this, j
, getClass( this ) ) );
8037 classes
= classesToArray( value
);
8039 if ( classes
.length
) {
8040 while ( ( elem
= this[ i
++ ] ) ) {
8041 curValue
= getClass( elem
);
8042 cur
= elem
.nodeType
=== 1 && ( " " + stripAndCollapse( curValue
) + " " );
8046 while ( ( clazz
= classes
[ j
++ ] ) ) {
8047 if ( cur
.indexOf( " " + clazz
+ " " ) < 0 ) {
8052 // Only assign if different to avoid unneeded rendering.
8053 finalValue
= stripAndCollapse( cur
);
8054 if ( curValue
!== finalValue
) {
8055 elem
.setAttribute( "class", finalValue
);
8064 removeClass: function( value
) {
8065 var classes
, elem
, cur
, curValue
, clazz
, j
, finalValue
,
8068 if ( isFunction( value
) ) {
8069 return this.each( function( j
) {
8070 jQuery( this ).removeClass( value
.call( this, j
, getClass( this ) ) );
8074 if ( !arguments
.length
) {
8075 return this.attr( "class", "" );
8078 classes
= classesToArray( value
);
8080 if ( classes
.length
) {
8081 while ( ( elem
= this[ i
++ ] ) ) {
8082 curValue
= getClass( elem
);
8084 // This expression is here for better compressibility (see addClass)
8085 cur
= elem
.nodeType
=== 1 && ( " " + stripAndCollapse( curValue
) + " " );
8089 while ( ( clazz
= classes
[ j
++ ] ) ) {
8091 // Remove *all* instances
8092 while ( cur
.indexOf( " " + clazz
+ " " ) > -1 ) {
8093 cur
= cur
.replace( " " + clazz
+ " ", " " );
8097 // Only assign if different to avoid unneeded rendering.
8098 finalValue
= stripAndCollapse( cur
);
8099 if ( curValue
!== finalValue
) {
8100 elem
.setAttribute( "class", finalValue
);
8109 toggleClass: function( value
, stateVal
) {
8110 var type
= typeof value
,
8111 isValidValue
= type
=== "string" || Array
.isArray( value
);
8113 if ( typeof stateVal
=== "boolean" && isValidValue
) {
8114 return stateVal
? this.addClass( value
) : this.removeClass( value
);
8117 if ( isFunction( value
) ) {
8118 return this.each( function( i
) {
8119 jQuery( this ).toggleClass(
8120 value
.call( this, i
, getClass( this ), stateVal
),
8126 return this.each( function() {
8127 var className
, i
, self
, classNames
;
8129 if ( isValidValue
) {
8131 // Toggle individual class names
8133 self
= jQuery( this );
8134 classNames
= classesToArray( value
);
8136 while ( ( className
= classNames
[ i
++ ] ) ) {
8138 // Check each className given, space separated list
8139 if ( self
.hasClass( className
) ) {
8140 self
.removeClass( className
);
8142 self
.addClass( className
);
8146 // Toggle whole class name
8147 } else if ( value
=== undefined || type
=== "boolean" ) {
8148 className
= getClass( this );
8151 // Store className if set
8152 dataPriv
.set( this, "__className__", className
);
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 ?
8163 dataPriv
.get( this, "__className__" ) || ""
8170 hasClass: function( selector
) {
8171 var className
, elem
,
8174 className
= " " + selector
+ " ";
8175 while ( ( elem
= this[ i
++ ] ) ) {
8176 if ( elem
.nodeType
=== 1 &&
8177 ( " " + stripAndCollapse( getClass( elem
) ) + " " ).indexOf( className
) > -1 ) {
8189 var rreturn
= /\r/g;
8192 val: function( value
) {
8193 var hooks
, ret
, valueIsFunction
,
8196 if ( !arguments
.length
) {
8198 hooks
= jQuery
.valHooks
[ elem
.type
] ||
8199 jQuery
.valHooks
[ elem
.nodeName
.toLowerCase() ];
8203 ( ret
= hooks
.get( elem
, "value" ) ) !== undefined
8210 // Handle most common string cases
8211 if ( typeof ret
=== "string" ) {
8212 return ret
.replace( rreturn
, "" );
8215 // Handle cases where value is null/undef or number
8216 return ret
== null ? "" : ret
;
8222 valueIsFunction
= isFunction( value
);
8224 return this.each( function( i
) {
8227 if ( this.nodeType
!== 1 ) {
8231 if ( valueIsFunction
) {
8232 val
= value
.call( this, i
, jQuery( this ).val() );
8237 // Treat null/undefined as ""; convert numbers to string
8238 if ( val
== null ) {
8241 } else if ( typeof val
=== "number" ) {
8244 } else if ( Array
.isArray( val
) ) {
8245 val
= jQuery
.map( val
, function( value
) {
8246 return value
== null ? "" : value
+ "";
8250 hooks
= jQuery
.valHooks
[ this.type
] || jQuery
.valHooks
[ this.nodeName
.toLowerCase() ];
8252 // If set returns undefined, fall back to normal setting
8253 if ( !hooks
|| !( "set" in hooks
) || hooks
.set( this, val
, "value" ) === undefined ) {
8263 get: function( elem
) {
8265 var val
= jQuery
.find
.attr( elem
, "value" );
8266 return val
!= null ?
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
) );
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
;
8289 i
= one
? index
: 0;
8292 // Loop through all the selected options
8293 for ( ; i
< max
; i
++ ) {
8294 option
= options
[ i
];
8296 // Support: IE <=9 only
8297 // IE8-9 doesn't update selected after form reset (#2551)
8298 if ( ( option
.selected
|| i
=== index
) &&
8300 // Don't return options that are disabled or in a disabled optgroup
8302 ( !option
.parentNode
.disabled
||
8303 !nodeName( option
.parentNode
, "optgroup" ) ) ) {
8305 // Get the specific value for the option
8306 value
= jQuery( option
).val();
8308 // We don't need an array for one selects
8313 // Multi-Selects return an array
8314 values
.push( value
);
8321 set: function( elem
, value
) {
8322 var optionSet
, option
,
8323 options
= elem
.options
,
8324 values
= jQuery
.makeArray( value
),
8328 option
= options
[ i
];
8330 /* eslint-disable no-cond-assign */
8332 if ( option
.selected
=
8333 jQuery
.inArray( jQuery
.valHooks
.option
.get( option
), values
) > -1
8338 /* eslint-enable no-cond-assign */
8341 // Force browsers to behave consistently when non-matching value is set
8343 elem
.selectedIndex
= -1;
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 );
8360 if ( !support
.checkOn
) {
8361 jQuery
.valHooks
[ this ].get = function( elem
) {
8362 return elem
.getAttribute( "value" ) === null ? "on" : elem
.value
;
8370 // Return jQuery for attributes-only inclusion
8373 support
.focusin
= "onfocusin" in window
;
8376 var rfocusMorph
= /^(?:focusinfocus|focusoutblur)$/,
8377 stopPropagationCallback = function( e
) {
8378 e
.stopPropagation();
8381 jQuery
.extend( jQuery
.event
, {
8383 trigger: function( event
, data
, elem
, onlyHandlers
) {
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( "." ) : [];
8390 cur
= lastElement
= tmp
= elem
= elem
|| document
;
8392 // Don't do events on text and comment nodes
8393 if ( elem
.nodeType
=== 3 || elem
.nodeType
=== 8 ) {
8397 // focus/blur morphs to focusin/out; ensure we're not firing them right now
8398 if ( rfocusMorph
.test( type
+ jQuery
.event
.triggered
) ) {
8402 if ( type
.indexOf( "." ) > -1 ) {
8404 // Namespaced trigger; create a regexp to match event type in handle()
8405 namespaces
= type
.split( "." );
8406 type
= namespaces
.shift();
8409 ontype
= type
.indexOf( ":" ) < 0 && "on" + type
;
8411 // Caller can pass in a jQuery.Event object, Object, or just an event type string
8412 event
= event
[ jQuery
.expando
] ?
8414 new jQuery
.Event( type
, typeof event
=== "object" && event
);
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( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8423 // Clean up the event in case it is being reused
8424 event
.result
= undefined;
8425 if ( !event
.target
) {
8426 event
.target
= elem
;
8429 // Clone any incoming data and prepend the event, creating the handler arg list
8430 data
= data
== null ?
8432 jQuery
.makeArray( data
, [ event
] );
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 ) {
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
) ) {
8444 bubbleType
= special
.delegateType
|| type
;
8445 if ( !rfocusMorph
.test( bubbleType
+ type
) ) {
8446 cur
= cur
.parentNode
;
8448 for ( ; cur
; cur
= cur
.parentNode
) {
8449 eventPath
.push( cur
);
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
);
8459 // Fire handlers on the event path
8461 while ( ( cur
= eventPath
[ i
++ ] ) && !event
.isPropagationStopped() ) {
8463 event
.type
= i
> 1 ?
8465 special
.bindType
|| type
;
8468 handle
= ( dataPriv
.get( cur
, "events" ) || {} )[ event
.type
] &&
8469 dataPriv
.get( cur
, "handle" );
8471 handle
.apply( cur
, data
);
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();
8485 // If nobody prevented the default action, do it now
8486 if ( !onlyHandlers
&& !event
.isDefaultPrevented() ) {
8488 if ( ( !special
._default
||
8489 special
._default
.apply( eventPath
.pop(), data
) === false ) &&
8490 acceptData( elem
) ) {
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
) ) {
8496 // Don't re-trigger an onFOO event when we call its FOO() method
8497 tmp
= elem
[ ontype
];
8500 elem
[ ontype
] = null;
8503 // Prevent re-triggering of the same event, since we already bubbled it above
8504 jQuery
.event
.triggered
= type
;
8506 if ( event
.isPropagationStopped() ) {
8507 lastElement
.addEventListener( type
, stopPropagationCallback
);
8512 if ( event
.isPropagationStopped() ) {
8513 lastElement
.removeEventListener( type
, stopPropagationCallback
);
8516 jQuery
.event
.triggered
= undefined;
8519 elem
[ ontype
] = tmp
;
8525 return event
.result
;
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(
8540 jQuery
.event
.trigger( e
, null, elem
);
8547 trigger: function( type
, data
) {
8548 return this.each( function() {
8549 jQuery
.event
.trigger( type
, data
, this );
8552 triggerHandler: function( type
, data
) {
8553 var elem
= this[ 0 ];
8555 return jQuery
.event
.trigger( type
, data
, elem
, true );
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
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
) {
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
) );
8577 jQuery
.event
.special
[ fix
] = {
8579 var doc
= this.ownerDocument
|| this,
8580 attaches
= dataPriv
.access( doc
, fix
);
8583 doc
.addEventListener( orig
, handler
, true );
8585 dataPriv
.access( doc
, fix
, ( attaches
|| 0 ) + 1 );
8587 teardown: function() {
8588 var doc
= this.ownerDocument
|| this,
8589 attaches
= dataPriv
.access( doc
, fix
) - 1;
8592 doc
.removeEventListener( orig
, handler
, true );
8593 dataPriv
.remove( doc
, fix
);
8596 dataPriv
.access( doc
, fix
, attaches
);
8602 var location
= window
.location
;
8604 var nonce
= Date
.now();
8606 var rquery
= ( /\?/ );
8610 // Cross-browser xml parsing
8611 jQuery
.parseXML = function( data
) {
8613 if ( !data
|| typeof data
!== "string" ) {
8617 // Support: IE 9 - 11 only
8618 // IE throws on parseFromString with invalid input.
8620 xml
= ( new window
.DOMParser() ).parseFromString( data
, "text/xml" );
8625 if ( !xml
|| xml
.getElementsByTagName( "parsererror" ).length
) {
8626 jQuery
.error( "Invalid XML: " + data
);
8635 rsubmitterTypes
= /^(?:submit|button|image|reset|file)$/i,
8636 rsubmittable
= /^(?:input|select|textarea|keygen)/i;
8638 function buildParams( prefix
, obj
, traditional
, add
) {
8641 if ( Array
.isArray( obj
) ) {
8643 // Serialize array item.
8644 jQuery
.each( obj
, function( i
, v
) {
8645 if ( traditional
|| rbracket
.test( prefix
) ) {
8647 // Treat each array item as a scalar.
8652 // Item is non-scalar (array or object), encode its numeric index.
8654 prefix
+ "[" + ( typeof v
=== "object" && v
!= null ? i
: "" ) + "]",
8662 } else if ( !traditional
&& toType( obj
) === "object" ) {
8664 // Serialize object item.
8665 for ( name
in obj
) {
8666 buildParams( prefix
+ "[" + name
+ "]", obj
[ name
], traditional
, add
);
8671 // Serialize scalar item.
8676 // Serialize an array of form elements or a set of
8677 // key/values into a query string
8678 jQuery
.param = function( a
, traditional
) {
8681 add = function( key
, valueOrFunction
) {
8683 // If value is a function, invoke it and use its return value
8684 var value
= isFunction( valueOrFunction
) ?
8688 s
[ s
.length
] = encodeURIComponent( key
) + "=" +
8689 encodeURIComponent( value
== null ? "" : value
);
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
) ) ) {
8699 // Serialize the form elements
8700 jQuery
.each( a
, function() {
8701 add( this.name
, this.value
);
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
);
8713 // Return the resulting serialization
8714 return s
.join( "&" );
8718 serialize: function() {
8719 return jQuery
.param( this.serializeArray() );
8721 serializeArray: function() {
8722 return this.map( function() {
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;
8728 .filter( function() {
8729 var type
= this.type
;
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
) );
8736 .map( function( i
, elem
) {
8737 var val
= jQuery( this ).val();
8739 if ( val
== null ) {
8743 if ( Array
.isArray( val
) ) {
8744 return jQuery
.map( val
, function( val
) {
8745 return { name
: elem
.name
, value
: val
.replace( rCRLF
, "\r\n" ) };
8749 return { name
: elem
.name
, value
: val
.replace( rCRLF
, "\r\n" ) };
8758 rantiCache
= /([?&])_=[^&]*/,
8759 rheaders
= /^(.*?):[ \t]*([^\r\n]*)$/mg,
8761 // #7653, #8125, #8152: local protocol detection
8762 rlocalProtocol
= /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8763 rnoContent
= /^(?:GET|HEAD)$/,
8764 rprotocol
= /^\/\//,
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
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
8784 // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8785 allTypes
= "*/".concat( "*" ),
8787 // Anchor tag for parsing the document origin
8788 originAnchor
= document
.createElement( "a" );
8789 originAnchor
.href
= location
.href
;
8791 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8792 function addToPrefiltersOrTransports( structure
) {
8794 // dataTypeExpression is optional and defaults to "*"
8795 return function( dataTypeExpression
, func
) {
8797 if ( typeof dataTypeExpression
!== "string" ) {
8798 func
= dataTypeExpression
;
8799 dataTypeExpression
= "*";
8804 dataTypes
= dataTypeExpression
.toLowerCase().match( rnothtmlwhite
) || [];
8806 if ( isFunction( func
) ) {
8808 // For each dataType in the dataTypeExpression
8809 while ( ( dataType
= dataTypes
[ i
++ ] ) ) {
8811 // Prepend if requested
8812 if ( dataType
[ 0 ] === "+" ) {
8813 dataType
= dataType
.slice( 1 ) || "*";
8814 ( structure
[ dataType
] = structure
[ dataType
] || [] ).unshift( func
);
8818 ( structure
[ dataType
] = structure
[ dataType
] || [] ).push( func
);
8825 // Base inspection function for prefilters and transports
8826 function inspectPrefiltersOrTransports( structure
, options
, originalOptions
, jqXHR
) {
8829 seekingTransport
= ( structure
=== transports
);
8831 function inspect( dataType
) {
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
] ) {
8839 options
.dataTypes
.unshift( dataTypeOrTransport
);
8840 inspect( dataTypeOrTransport
);
8842 } else if ( seekingTransport
) {
8843 return !( selected
= dataTypeOrTransport
);
8849 return inspect( options
.dataTypes
[ 0 ] ) || !inspected
[ "*" ] && inspect( "*" );
8852 // A special extend for ajax options
8853 // that takes "flat" options (not to be deep extended)
8855 function ajaxExtend( target
, src
) {
8857 flatOptions
= jQuery
.ajaxSettings
.flatOptions
|| {};
8859 for ( key
in src
) {
8860 if ( src
[ key
] !== undefined ) {
8861 ( flatOptions
[ key
] ? target
: ( deep
|| ( deep
= {} ) ) )[ key
] = src
[ key
];
8865 jQuery
.extend( true, target
, deep
);
8871 /* Handles responses to an ajax request:
8872 * - finds the right dataType (mediates between content-type and expected dataType)
8873 * - returns the corresponding response
8875 function ajaxHandleResponses( s
, jqXHR
, responses
) {
8877 var ct
, type
, finalDataType
, firstDataType
,
8878 contents
= s
.contents
,
8879 dataTypes
= s
.dataTypes
;
8881 // Remove auto dataType and get content-type in the process
8882 while ( dataTypes
[ 0 ] === "*" ) {
8884 if ( ct
=== undefined ) {
8885 ct
= s
.mimeType
|| jqXHR
.getResponseHeader( "Content-Type" );
8889 // Check if we're dealing with a known content-type
8891 for ( type
in contents
) {
8892 if ( contents
[ type
] && contents
[ type
].test( ct
) ) {
8893 dataTypes
.unshift( type
);
8899 // Check to see if we have a response for the expected dataType
8900 if ( dataTypes
[ 0 ] in responses
) {
8901 finalDataType
= dataTypes
[ 0 ];
8904 // Try convertible dataTypes
8905 for ( type
in responses
) {
8906 if ( !dataTypes
[ 0 ] || s
.converters
[ type
+ " " + dataTypes
[ 0 ] ] ) {
8907 finalDataType
= type
;
8910 if ( !firstDataType
) {
8911 firstDataType
= type
;
8915 // Or just use first one
8916 finalDataType
= finalDataType
|| firstDataType
;
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
);
8926 return responses
[ finalDataType
];
8930 /* Chain conversions given the request and the original response
8931 * Also sets the responseXXX fields on the jqXHR instance
8933 function ajaxConvert( s
, response
, jqXHR
, isSuccess
) {
8934 var conv2
, current
, conv
, tmp
, prev
,
8937 // Work with a copy of dataTypes in case we need to modify it for conversion
8938 dataTypes
= s
.dataTypes
.slice();
8940 // Create converters map with lowercased keys
8941 if ( dataTypes
[ 1 ] ) {
8942 for ( conv
in s
.converters
) {
8943 converters
[ conv
.toLowerCase() ] = s
.converters
[ conv
];
8947 current
= dataTypes
.shift();
8949 // Convert to each sequential dataType
8952 if ( s
.responseFields
[ current
] ) {
8953 jqXHR
[ s
.responseFields
[ current
] ] = response
;
8956 // Apply the dataFilter if provided
8957 if ( !prev
&& isSuccess
&& s
.dataFilter
) {
8958 response
= s
.dataFilter( response
, s
.dataType
);
8962 current
= dataTypes
.shift();
8966 // There's only work to do if current dataType is non-auto
8967 if ( current
=== "*" ) {
8971 // Convert response if prev dataType is non-auto and differs from current
8972 } else if ( prev
!== "*" && prev
!== current
) {
8974 // Seek a direct converter
8975 conv
= converters
[ prev
+ " " + current
] || converters
[ "* " + current
];
8977 // If none found, seek a pair
8979 for ( conv2
in converters
) {
8981 // If conv2 outputs current
8982 tmp
= conv2
.split( " " );
8983 if ( tmp
[ 1 ] === current
) {
8985 // If prev can be converted to accepted input
8986 conv
= converters
[ prev
+ " " + tmp
[ 0 ] ] ||
8987 converters
[ "* " + tmp
[ 0 ] ];
8990 // Condense equivalence converters
8991 if ( conv
=== true ) {
8992 conv
= converters
[ conv2
];
8994 // Otherwise, insert the intermediate dataType
8995 } else if ( converters
[ conv2
] !== true ) {
8997 dataTypes
.unshift( tmp
[ 1 ] );
9005 // Apply converter (if not an equivalence)
9006 if ( conv
!== true ) {
9008 // Unless errors are allowed to bubble, catch and return them
9009 if ( conv
&& s
.throws ) {
9010 response
= conv( response
);
9013 response
= conv( response
);
9016 state
: "parsererror",
9017 error
: conv
? e
: "No conversion from " + prev
+ " to " + current
9026 return { state
: "success", data
: response
};
9031 // Counter for holding the number of active queries
9034 // Last-Modified header cache for next request
9041 isLocal
: rlocalProtocol
.test( location
.protocol
),
9045 contentType
: "application/x-www-form-urlencoded; charset=UTF-8",
9063 xml
: "application/xml, text/xml",
9064 json
: "application/json, text/javascript"
9075 text
: "responseText",
9076 json
: "responseJSON"
9080 // Keys separate source (or catchall "*") and destination types with a single space
9083 // Convert anything to text
9086 // Text to html (true = no transformation)
9089 // Evaluate text as a json expression
9090 "text json": JSON
.parse
,
9092 // Parse text as xml
9093 "text xml": jQuery
.parseXML
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)
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
) {
9112 // Building a settings object
9113 ajaxExtend( ajaxExtend( target
, jQuery
.ajaxSettings
), settings
) :
9115 // Extending ajaxSettings
9116 ajaxExtend( jQuery
.ajaxSettings
, target
);
9119 ajaxPrefilter
: addToPrefiltersOrTransports( prefilters
),
9120 ajaxTransport
: addToPrefiltersOrTransports( transports
),
9123 ajax: function( url
, options
) {
9125 // If url is an object, simulate pre-1.5 signature
9126 if ( typeof url
=== "object" ) {
9131 // Force options to be an object
9132 options
= options
|| {};
9136 // URL without anti-cache param
9140 responseHeadersString
,
9149 // Request state (becomes false upon send and true upon completion)
9152 // To know if global events are to be dispatched
9158 // uncached part of the url
9161 // Create the final options object
9162 s
= jQuery
.ajaxSetup( {}, options
),
9164 // Callbacks context
9165 callbackContext
= s
.context
|| s
,
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
) :
9174 deferred
= jQuery
.Deferred(),
9175 completeDeferred
= jQuery
.Callbacks( "once memory" ),
9177 // Status-dependent callbacks
9178 statusCode
= s
.statusCode
|| {},
9180 // Headers (they are sent all at once)
9181 requestHeaders
= {},
9182 requestHeadersNames
= {},
9184 // Default abort message
9185 strAbort
= "canceled",
9191 // Builds headers hashtable if needed
9192 getResponseHeader: function( key
) {
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 ] );
9203 match
= responseHeaders
[ key
.toLowerCase() + " " ];
9205 return match
== null ? null : match
.join( ", " );
9209 getAllResponseHeaders: function() {
9210 return completed
? responseHeadersString
: null;
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
;
9223 // Overrides response content-type header
9224 overrideMimeType: function( type
) {
9225 if ( completed
== null ) {
9231 // Status-dependent callbacks
9232 statusCode: function( map
) {
9237 // Execute the appropriate callbacks
9238 jqXHR
.always( map
[ jqXHR
.status
] );
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
] ];
9250 // Cancel the request
9251 abort: function( statusText
) {
9252 var finalText
= statusText
|| strAbort
;
9254 transport
.abort( finalText
);
9256 done( 0, finalText
);
9262 deferred
.promise( jqXHR
);
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
+ "//" );
9270 // Alias method option to type as per ticket #12004
9271 s
.type
= options
.method
|| options
.type
|| s
.method
|| s
.type
;
9273 // Extract dataTypes list
9274 s
.dataTypes
= ( s
.dataType
|| "*" ).toLowerCase().match( rnothtmlwhite
) || [ "" ];
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" );
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/
9284 urlAnchor
.href
= s
.url
;
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
;
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;
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
);
9305 inspectPrefiltersOrTransports( prefilters
, s
, options
, jqXHR
);
9307 // If request was aborted inside a prefilter, stop there
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
;
9316 // Watch for a new set of requests
9317 if ( fireGlobals
&& jQuery
.active
++ === 0 ) {
9318 jQuery
.event
.trigger( "ajaxStart" );
9321 // Uppercase the type
9322 s
.type
= s
.type
.toUpperCase();
9324 // Determine if request has content
9325 s
.hasContent
= !rnoContent
.test( s
.type
);
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
, "" );
9332 // More options handling for requests with no content
9333 if ( !s
.hasContent
) {
9335 // Remember the hash so we can put it back
9336 uncached
= s
.url
.slice( cacheURL
.length
);
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
;
9342 // #9682: remove data so that it's not used in an eventual retry
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
;
9352 // Put hash and anti-cache on the URL that will be requested (gh-1732)
9353 s
.url
= cacheURL
+ uncached
;
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
, "+" );
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
] );
9366 if ( jQuery
.etag
[ cacheURL
] ) {
9367 jqXHR
.setRequestHeader( "If-None-Match", jQuery
.etag
[ cacheURL
] );
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
);
9376 // Set the Accepts header for the server, depending on the dataType
9377 jqXHR
.setRequestHeader(
9379 s
.dataTypes
[ 0 ] && s
.accepts
[ s
.dataTypes
[ 0 ] ] ?
9380 s
.accepts
[ s
.dataTypes
[ 0 ] ] +
9381 ( s
.dataTypes
[ 0 ] !== "*" ? ", " + allTypes
+ "; q=0.01" : "" ) :
9385 // Check for headers option
9386 for ( i
in s
.headers
) {
9387 jqXHR
.setRequestHeader( i
, s
.headers
[ i
] );
9390 // Allow custom headers/mimetypes and early abort
9391 if ( s
.beforeSend
&&
9392 ( s
.beforeSend
.call( callbackContext
, jqXHR
, s
) === false || completed
) ) {
9394 // Abort if not done already and return
9395 return jqXHR
.abort();
9398 // Aborting is no longer a cancellation
9401 // Install callbacks on deferreds
9402 completeDeferred
.add( s
.complete
);
9403 jqXHR
.done( s
.success
);
9404 jqXHR
.fail( s
.error
);
9407 transport
= inspectPrefiltersOrTransports( transports
, s
, options
, jqXHR
);
9409 // If no transport, we auto-abort
9411 done( -1, "No Transport" );
9413 jqXHR
.readyState
= 1;
9415 // Send global event
9416 if ( fireGlobals
) {
9417 globalEventContext
.trigger( "ajaxSend", [ jqXHR
, s
] );
9420 // If request was aborted inside ajaxSend, stop there
9426 if ( s
.async
&& s
.timeout
> 0 ) {
9427 timeoutTimer
= window
.setTimeout( function() {
9428 jqXHR
.abort( "timeout" );
9434 transport
.send( requestHeaders
, done
);
9437 // Rethrow post-completion exceptions
9442 // Propagate others as results
9447 // Callback for when everything is done
9448 function done( status
, nativeStatusText
, responses
, headers
) {
9449 var isSuccess
, success
, error
, response
, modified
,
9450 statusText
= nativeStatusText
;
9452 // Ignore repeat invocations
9459 // Clear timeout if it exists
9460 if ( timeoutTimer
) {
9461 window
.clearTimeout( timeoutTimer
);
9464 // Dereference transport for early garbage collection
9465 // (no matter how long the jqXHR object will be used)
9466 transport
= undefined;
9468 // Cache response headers
9469 responseHeadersString
= headers
|| "";
9472 jqXHR
.readyState
= status
> 0 ? 4 : 0;
9474 // Determine if successful
9475 isSuccess
= status
>= 200 && status
< 300 || status
=== 304;
9477 // Get response data
9479 response
= ajaxHandleResponses( s
, jqXHR
, responses
);
9482 // Convert no matter what (that way responseXXX fields are always set)
9483 response
= ajaxConvert( s
, response
, jqXHR
, isSuccess
);
9485 // If successful, handle type chaining
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" );
9492 jQuery
.lastModified
[ cacheURL
] = modified
;
9494 modified
= jqXHR
.getResponseHeader( "etag" );
9496 jQuery
.etag
[ cacheURL
] = modified
;
9501 if ( status
=== 204 || s
.type
=== "HEAD" ) {
9502 statusText
= "nocontent";
9505 } else if ( status
=== 304 ) {
9506 statusText
= "notmodified";
9508 // If we have data, let's convert it
9510 statusText
= response
.state
;
9511 success
= response
.data
;
9512 error
= response
.error
;
9517 // Extract error from statusText and normalize for non-aborts
9519 if ( status
|| !statusText
) {
9520 statusText
= "error";
9527 // Set data for the fake xhr object
9528 jqXHR
.status
= status
;
9529 jqXHR
.statusText
= ( nativeStatusText
|| statusText
) + "";
9533 deferred
.resolveWith( callbackContext
, [ success
, statusText
, jqXHR
] );
9535 deferred
.rejectWith( callbackContext
, [ jqXHR
, statusText
, error
] );
9538 // Status-dependent callbacks
9539 jqXHR
.statusCode( statusCode
);
9540 statusCode
= undefined;
9542 if ( fireGlobals
) {
9543 globalEventContext
.trigger( isSuccess
? "ajaxSuccess" : "ajaxError",
9544 [ jqXHR
, s
, isSuccess
? success
: error
] );
9548 completeDeferred
.fireWith( callbackContext
, [ jqXHR
, statusText
] );
9550 if ( fireGlobals
) {
9551 globalEventContext
.trigger( "ajaxComplete", [ jqXHR
, s
] );
9553 // Handle the global AJAX counter
9554 if ( !( --jQuery
.active
) ) {
9555 jQuery
.event
.trigger( "ajaxStop" );
9563 getJSON: function( url
, data
, callback
) {
9564 return jQuery
.get( url
, data
, callback
, "json" );
9567 getScript: function( url
, callback
) {
9568 return jQuery
.get( url
, undefined, callback
, "script" );
9572 jQuery
.each( [ "get", "post" ], function( i
, method
) {
9573 jQuery
[ method
] = function( url
, data
, callback
, type
) {
9575 // Shift arguments if data argument was omitted
9576 if ( isFunction( data
) ) {
9577 type
= type
|| callback
;
9582 // The url can be an options object (which then must have .url)
9583 return jQuery
.ajax( jQuery
.extend( {
9589 }, jQuery
.isPlainObject( url
) && url
) );
9594 jQuery
._evalUrl = function( url
, options
) {
9595 return jQuery
.ajax( {
9598 // Make this explicit, since user can override this through ajaxSetup (#11264)
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.
9609 "text script": function() {}
9611 dataFilter: function( response
) {
9612 jQuery
.globalEval( response
, options
);
9619 wrapAll: function( html
) {
9623 if ( isFunction( html
) ) {
9624 html
= html
.call( this[ 0 ] );
9627 // The elements to wrap the target around
9628 wrap
= jQuery( html
, this[ 0 ].ownerDocument
).eq( 0 ).clone( true );
9630 if ( this[ 0 ].parentNode
) {
9631 wrap
.insertBefore( this[ 0 ] );
9634 wrap
.map( function() {
9637 while ( elem
.firstElementChild
) {
9638 elem
= elem
.firstElementChild
;
9648 wrapInner: function( html
) {
9649 if ( isFunction( html
) ) {
9650 return this.each( function( i
) {
9651 jQuery( this ).wrapInner( html
.call( this, i
) );
9655 return this.each( function() {
9656 var self
= jQuery( this ),
9657 contents
= self
.contents();
9659 if ( contents
.length
) {
9660 contents
.wrapAll( html
);
9663 self
.append( html
);
9668 wrap: function( html
) {
9669 var htmlIsFunction
= isFunction( html
);
9671 return this.each( function( i
) {
9672 jQuery( this ).wrapAll( htmlIsFunction
? html
.call( this, i
) : html
);
9676 unwrap: function( selector
) {
9677 this.parent( selector
).not( "body" ).each( function() {
9678 jQuery( this ).replaceWith( this.childNodes
);
9685 jQuery
.expr
.pseudos
.hidden = function( elem
) {
9686 return !jQuery
.expr
.pseudos
.visible( elem
);
9688 jQuery
.expr
.pseudos
.visible = function( elem
) {
9689 return !!( elem
.offsetWidth
|| elem
.offsetHeight
|| elem
.getClientRects().length
);
9695 jQuery
.ajaxSettings
.xhr = function() {
9697 return new window
.XMLHttpRequest();
9701 var xhrSuccessStatus
= {
9703 // File protocol always yields status code 0, assume 200
9706 // Support: IE <=9 only
9707 // #1450: sometimes IE returns 1223 when it should be 204
9710 xhrSupported
= jQuery
.ajaxSettings
.xhr();
9712 support
.cors
= !!xhrSupported
&& ( "withCredentials" in xhrSupported
);
9713 support
.ajax
= xhrSupported
= !!xhrSupported
;
9715 jQuery
.ajaxTransport( function( options
) {
9716 var callback
, errorCallback
;
9718 // Cross domain only allowed if supported through XMLHttpRequest
9719 if ( support
.cors
|| xhrSupported
&& !options
.crossDomain
) {
9721 send: function( headers
, complete
) {
9723 xhr
= options
.xhr();
9733 // Apply custom fields if provided
9734 if ( options
.xhrFields
) {
9735 for ( i
in options
.xhrFields
) {
9736 xhr
[ i
] = options
.xhrFields
[ i
];
9740 // Override mime type if needed
9741 if ( options
.mimeType
&& xhr
.overrideMimeType
) {
9742 xhr
.overrideMimeType( options
.mimeType
);
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";
9755 for ( i
in headers
) {
9756 xhr
.setRequestHeader( i
, headers
[ i
] );
9760 callback = function( type
) {
9763 callback
= errorCallback
= xhr
.onload
=
9764 xhr
.onerror
= xhr
.onabort
= xhr
.ontimeout
=
9765 xhr
.onreadystatechange
= null;
9767 if ( type
=== "abort" ) {
9769 } else if ( type
=== "error" ) {
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" );
9779 // File: protocol always yields status 0; see #8605, #14207
9786 xhrSuccessStatus
[ xhr
.status
] || xhr
.status
,
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()
9804 xhr
.onload
= callback();
9805 errorCallback
= xhr
.onerror
= xhr
.ontimeout
= callback( "error" );
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
;
9813 xhr
.onreadystatechange = function() {
9815 // Check readyState before timeout as it changes
9816 if ( xhr
.readyState
=== 4 ) {
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() {
9831 // Create the abort callback
9832 callback
= callback( "abort" );
9836 // Do send the request (this may raise an exception)
9837 xhr
.send( options
.hasContent
&& options
.data
|| null );
9840 // #14683: Only rethrow if this hasn't been notified as an error yet
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;
9866 // Install script dataType
9869 script
: "text/javascript, application/javascript, " +
9870 "application/ecmascript, application/x-ecmascript"
9873 script
: /\b(?:java|ecma)script\b/
9876 "text script": function( text
) {
9877 jQuery
.globalEval( text
);
9883 // Handle cache's special case and crossDomain
9884 jQuery
.ajaxPrefilter( "script", function( s
) {
9885 if ( s
.cache
=== undefined ) {
9888 if ( s
.crossDomain
) {
9893 // Bind script tag hack transport
9894 jQuery
.ajaxTransport( "script", function( s
) {
9896 // This transport only deals with cross domain or forced-by-attrs requests
9897 if ( s
.crossDomain
|| s
.scriptAttrs
) {
9898 var script
, callback
;
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
) {
9908 complete( evt
.type
=== "error" ? 404 : 200, evt
.type
);
9912 // Use native DOM manipulation to avoid our domManip AJAX trickery
9913 document
.head
.appendChild( script
[ 0 ] );
9927 var oldCallbacks
= [],
9928 rjsonp
= /(=)\?(?=&|$)|\?\?/;
9930 // Default jsonp settings
9933 jsonpCallback: function() {
9934 var callback
= oldCallbacks
.pop() || ( jQuery
.expando
+ "_" + ( nonce
++ ) );
9935 this[ callback
] = true;
9940 // Detect, normalize options and install callbacks for jsonp requests
9941 jQuery
.ajaxPrefilter( "json jsonp", function( s
, originalSettings
, jqXHR
) {
9943 var callbackName
, overwritten
, responseContainer
,
9944 jsonProp
= s
.jsonp
!== false && ( rjsonp
.test( s
.url
) ?
9946 typeof s
.data
=== "string" &&
9947 ( s
.contentType
|| "" )
9948 .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
9949 rjsonp
.test( s
.data
) && "data"
9952 // Handle iff the expected data type is "jsonp" or we have a parameter to set
9953 if ( jsonProp
|| s
.dataTypes
[ 0 ] === "jsonp" ) {
9955 // Get callback name, remembering preexisting value associated with it
9956 callbackName
= s
.jsonpCallback
= isFunction( s
.jsonpCallback
) ?
9960 // Insert callback into url or form data
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
;
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" );
9972 return responseContainer
[ 0 ];
9975 // Force json dataType
9976 s
.dataTypes
[ 0 ] = "json";
9979 overwritten
= window
[ callbackName
];
9980 window
[ callbackName
] = function() {
9981 responseContainer
= arguments
;
9984 // Clean-up function (fires after converters)
9985 jqXHR
.always( function() {
9987 // If previous value didn't exist - remove it
9988 if ( overwritten
=== undefined ) {
9989 jQuery( window
).removeProp( callbackName
);
9991 // Otherwise restore preexisting value
9993 window
[ callbackName
] = overwritten
;
9996 // Save back as free
9997 if ( s
[ callbackName
] ) {
9999 // Make sure that re-using the options doesn't screw things around
10000 s
.jsonpCallback
= originalSettings
.jsonpCallback
;
10002 // Save the callback name for future use
10003 oldCallbacks
.push( callbackName
);
10006 // Call if it was a function and we have a response
10007 if ( responseContainer
&& isFunction( overwritten
) ) {
10008 overwritten( responseContainer
[ 0 ] );
10011 responseContainer
= overwritten
= undefined;
10014 // Delegate to script
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;
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" ) {
10042 if ( typeof context
=== "boolean" ) {
10043 keepScripts
= context
;
10047 var base
, parsed
, scripts
;
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( "" );
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
);
10063 context
= document
;
10067 parsed
= rsingleTag
.exec( data
);
10068 scripts
= !keepScripts
&& [];
10072 return [ context
.createElement( parsed
[ 1 ] ) ];
10075 parsed
= buildFragment( [ data
], context
, scripts
);
10077 if ( scripts
&& scripts
.length
) {
10078 jQuery( scripts
).remove();
10081 return jQuery
.merge( [], parsed
.childNodes
);
10086 * Load a url into a page
10088 jQuery
.fn
.load = function( url
, params
, callback
) {
10089 var selector
, type
, response
,
10091 off
= url
.indexOf( " " );
10094 selector
= stripAndCollapse( url
.slice( off
) );
10095 url
= url
.slice( 0, off
);
10098 // If it's a function
10099 if ( isFunction( params
) ) {
10101 // We assume that it's the callback
10103 params
= undefined;
10105 // Otherwise, build a param string
10106 } else if ( params
&& typeof params
=== "object" ) {
10110 // If we have elements to modify, make the request
10111 if ( self
.length
> 0 ) {
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",
10121 } ).done( function( responseText
) {
10123 // Save response for use in complete callback
10124 response
= arguments
;
10126 self
.html( selector
?
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
) :
10132 // Otherwise use the full result
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
] );
10151 // Attach a bunch of functions for handling common AJAX events
10159 ], function( i
, type
) {
10160 jQuery
.fn
[ type
] = function( fn
) {
10161 return this.on( type
, fn
);
10168 jQuery
.expr
.pseudos
.animated = function( elem
) {
10169 return jQuery
.grep( jQuery
.timers
, function( fn
) {
10170 return elem
=== fn
.elem
;
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
),
10184 // Set position first, in-case top/left are set even on static elem
10185 if ( position
=== "static" ) {
10186 elem
.style
.position
= "relative";
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;
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
;
10203 curTop
= parseFloat( curCSSTop
) || 0;
10204 curLeft
= parseFloat( curCSSLeft
) || 0;
10207 if ( isFunction( options
) ) {
10209 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
10210 options
= options
.call( elem
, i
, jQuery
.extend( {}, curOffset
) );
10213 if ( options
.top
!= null ) {
10214 props
.top
= ( options
.top
- curOffset
.top
) + curTop
;
10216 if ( options
.left
!= null ) {
10217 props
.left
= ( options
.left
- curOffset
.left
) + curLeft
;
10220 if ( "using" in options
) {
10221 options
.using
.call( elem
, props
);
10224 curElem
.css( props
);
10229 jQuery
.fn
.extend( {
10231 // offset() relates an element's border box to the document origin
10232 offset: function( options
) {
10234 // Preserve chaining for setter
10235 if ( arguments
.length
) {
10236 return options
=== undefined ?
10238 this.each( function( i
) {
10239 jQuery
.offset
.setOffset( this, options
, i
);
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 };
10258 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
10259 rect
= elem
.getBoundingClientRect();
10260 win
= elem
.ownerDocument
.defaultView
;
10262 top
: rect
.top
+ win
.pageYOffset
,
10263 left
: rect
.left
+ win
.pageXOffset
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 ] ) {
10274 var offsetParent
, offset
, doc
,
10276 parentOffset
= { top
: 0, left
: 0 };
10278 // position:fixed elements are offset from the viewport, which itself always has zero offset
10279 if ( jQuery
.css( elem
, "position" ) === "fixed" ) {
10281 // Assume position:fixed implies availability of getBoundingClientRect
10282 offset
= elem
.getBoundingClientRect();
10285 offset
= this.offset();
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" ) {
10295 offsetParent
= offsetParent
.parentNode
;
10297 if ( offsetParent
&& offsetParent
!== elem
&& offsetParent
.nodeType
=== 1 ) {
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 );
10306 // Subtract parent offsets and element margins
10308 top
: offset
.top
- parentOffset
.top
- jQuery
.css( elem
, "marginTop", true ),
10309 left
: offset
.left
- parentOffset
.left
- jQuery
.css( elem
, "marginLeft", true )
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
10319 // but those exceptions were never presented as a real life use-cases
10320 // and might be considered as more preferable results.
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
;
10327 while ( offsetParent
&& jQuery
.css( offsetParent
, "position" ) === "static" ) {
10328 offsetParent
= offsetParent
.offsetParent
;
10331 return offsetParent
|| documentElement
;
10336 // Create scrollLeft and scrollTop methods
10337 jQuery
.each( { scrollLeft
: "pageXOffset", scrollTop
: "pageYOffset" }, function( method
, prop
) {
10338 var top
= "pageYOffset" === prop
;
10340 jQuery
.fn
[ method
] = function( val
) {
10341 return access( this, function( elem
, method
, val
) {
10343 // Coalesce documents and windows
10345 if ( isWindow( elem
) ) {
10347 } else if ( elem
.nodeType
=== 9 ) {
10348 win
= elem
.defaultView
;
10351 if ( val
=== undefined ) {
10352 return win
? win
[ prop
] : elem
[ method
];
10357 !top
? val
: win
.pageXOffset
,
10358 top
? val
: win
.pageYOffset
10362 elem
[ method
] = val
;
10364 }, method
, val
, arguments
.length
);
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
) {
10378 computed
= curCSS( elem
, prop
);
10380 // If curCSS returns percentage, fallback to offset
10381 return rnumnonpx
.test( computed
) ?
10382 jQuery( elem
).position()[ prop
] + "px" :
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
) {
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" );
10400 return access( this, function( elem
, type
, value
) {
10403 if ( isWindow( elem
) ) {
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
];
10411 // Get document width or height
10412 if ( elem
.nodeType
=== 9 ) {
10413 doc
= elem
.documentElement
;
10415 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10416 // whichever is greatest
10418 elem
.body
[ "scroll" + name
], doc
[ "scroll" + name
],
10419 elem
.body
[ "offset" + name
], doc
[ "offset" + name
],
10420 doc
[ "client" + name
]
10424 return value
=== undefined ?
10426 // Get width or height on the element, requesting but not forcing parseFloat
10427 jQuery
.css( elem
, type
, extra
) :
10429 // Set width or height on the element
10430 jQuery
.style( elem
, type
, value
, extra
);
10431 }, type
, chainable
? margin
: undefined, chainable
);
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
) {
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
);
10450 jQuery
.fn
.extend( {
10451 hover: function( fnOver
, fnOut
) {
10452 return this.mouseenter( fnOver
).mouseleave( fnOut
|| fnOver
);
10459 jQuery
.fn
.extend( {
10461 bind: function( types
, data
, fn
) {
10462 return this.on( types
, null, data
, fn
);
10464 unbind: function( types
, fn
) {
10465 return this.off( types
, null, fn
);
10468 delegate: function( selector
, types
, data
, fn
) {
10469 return this.on( types
, selector
, data
, fn
);
10471 undelegate: function( selector
, types
, fn
) {
10473 // ( namespace ) or ( selector, types [, fn] )
10474 return arguments
.length
=== 1 ?
10475 this.off( selector
, "**" ) :
10476 this.off( types
, selector
|| "**", fn
);
10480 // Bind a function to a context, optionally partially applying any
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
;
10487 if ( typeof context
=== "string" ) {
10488 tmp
= fn
[ context
];
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
) ) {
10500 args
= slice
.call( arguments
, 2 );
10501 proxy = function() {
10502 return fn
.apply( context
|| this, args
.concat( slice
.call( arguments
) ) );
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
++;
10511 jQuery
.holdReady = function( hold
) {
10513 jQuery
.readyWait
++;
10515 jQuery
.ready( true );
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
;
10526 jQuery
.now
= Date
.now
;
10528 jQuery
.isNumeric = function( obj
) {
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" ) &&
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
) );
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.
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
10558 if ( typeof define
=== "function" && define
.amd
) {
10559 define( "jquery", [], function() {
10569 // Map over jQuery in case of overwrite
10570 _jQuery
= window
.jQuery
,
10572 // Map over the $ in case of overwrite
10575 jQuery
.noConflict = function( deep
) {
10576 if ( window
.$ === jQuery
) {
10580 if ( deep
&& window
.jQuery
=== jQuery
) {
10581 window
.jQuery
= _jQuery
;
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)
10591 window
.jQuery
= window
.$ = jQuery
;