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jquery.js
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jquery.js
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/*!
* jQuery JavaScript Library v4.0.0-pre a612733be0c68d337647a6fcc8f8e0cabc1fc36b
* https://jquery.com/
*
* Copyright JS Foundation and other contributors
* Released under the MIT license
* https://jquery.org/license
*
* Date: 2019-11-08T23:19Z
*/
( function( global, factory ) {
"use strict";
if ( typeof module === "object" && typeof module.exports === "object" ) {
// For CommonJS and CommonJS-like environments where a proper `window`
// is present, execute the factory and get jQuery.
// For environments that do not have a `window` with a `document`
// (such as Node.js), expose a factory as module.exports.
// This accentuates the need for the creation of a real `window`.
// e.g. var jQuery = require("jquery")(window);
// See ticket #14549 for more info.
module.exports = global.document ?
factory( global, true ) :
function( w ) {
if ( !w.document ) {
throw new Error( "jQuery requires a window with a document" );
}
return factory( w );
};
} else {
factory( global );
}
// Pass this if window is not defined yet
} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
"use strict";
var arr = [];
var getProto = Object.getPrototypeOf;
var slice = arr.slice;
var flat = arr.flat ? function( array ) {
return arr.flat.call( array );
} : function( array ) {
return arr.concat.apply( [], array );
};
var push = arr.push;
var indexOf = arr.indexOf;
var class2type = {};
var toString = class2type.toString;
var hasOwn = class2type.hasOwnProperty;
var fnToString = hasOwn.toString;
var ObjectFunctionString = fnToString.call( Object );
var support = {};
var isWindow = function isWindow( obj ) {
return obj != null && obj === obj.window;
};
var document = window.document;
var preservedScriptAttributes = {
type: true,
src: true,
nonce: true,
noModule: true
};
function DOMEval( code, node, doc ) {
doc = doc || document;
var i, val,
script = doc.createElement( "script" );
script.text = code;
if ( node ) {
for ( i in preservedScriptAttributes ) {
// Support: Firefox <=64 - 66+, Edge <=18+
// Some browsers don't support the "nonce" property on scripts.
// On the other hand, just using `getAttribute` is not enough as
// the `nonce` attribute is reset to an empty string whenever it
// becomes browsing-context connected.
// See https://github.com/whatwg/html/issues/2369
// See https://html.spec.whatwg.org/#nonce-attributes
// The `node.getAttribute` check was added for the sake of
// `jQuery.globalEval` so that it can fake a nonce-containing node
// via an object.
val = node[ i ] || node.getAttribute && node.getAttribute( i );
if ( val ) {
script.setAttribute( i, val );
}
}
}
doc.head.appendChild( script ).parentNode.removeChild( script );
}
function toType( obj ) {
if ( obj == null ) {
return obj + "";
}
return typeof obj === "object" ?
class2type[ toString.call( obj ) ] || "object" :
typeof obj;
}
/* global Symbol */
// Defining this global in .eslintrc.json would create a danger of using the global
// unguarded in another place, it seems safer to define global only for this module
var version = "4.0.0-pre a612733be0c68d337647a6fcc8f8e0cabc1fc36b",
rhtmlSuffix = /HTML$/i,
// Define a local copy of jQuery
jQuery = function( selector, context ) {
// The jQuery object is actually just the init constructor 'enhanced'
// Need init if jQuery is called (just allow error to be thrown if not included)
return new jQuery.fn.init( selector, context );
};
jQuery.fn = jQuery.prototype = {
// The current version of jQuery being used
jquery: version,
constructor: jQuery,
// The default length of a jQuery object is 0
length: 0,
toArray: function() {
return slice.call( this );
},
// Get the Nth element in the matched element set OR
// Get the whole matched element set as a clean array
get: function( num ) {
// Return all the elements in a clean array
if ( num == null ) {
return slice.call( this );
}
// Return just the one element from the set
return num < 0 ? this[ num + this.length ] : this[ num ];
},
// Take an array of elements and push it onto the stack
// (returning the new matched element set)
pushStack: function( elems ) {
// Build a new jQuery matched element set
var ret = jQuery.merge( this.constructor(), elems );
// Add the old object onto the stack (as a reference)
ret.prevObject = this;
// Return the newly-formed element set
return ret;
},
// Execute a callback for every element in the matched set.
each: function( callback ) {
return jQuery.each( this, callback );
},
map: function( callback ) {
return this.pushStack( jQuery.map( this, function( elem, i ) {
return callback.call( elem, i, elem );
} ) );
},
slice: function() {
return this.pushStack( slice.apply( this, arguments ) );
},
first: function() {
return this.eq( 0 );
},
last: function() {
return this.eq( -1 );
},
even: function() {
return this.pushStack( jQuery.grep( this, function( _elem, i ) {
return ( i + 1 ) % 2;
} ) );
},
odd: function() {
return this.pushStack( jQuery.grep( this, function( _elem, i ) {
return i % 2;
} ) );
},
eq: function( i ) {
var len = this.length,
j = +i + ( i < 0 ? len : 0 );
return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
},
end: function() {
return this.prevObject || this.constructor();
}
};
jQuery.extend = jQuery.fn.extend = function() {
var options, name, src, copy, copyIsArray, clone,
target = arguments[ 0 ] || {},
i = 1,
length = arguments.length,
deep = false;
// Handle a deep copy situation
if ( typeof target === "boolean" ) {
deep = target;
// Skip the boolean and the target
target = arguments[ i ] || {};
i++;
}
// Handle case when target is a string or something (possible in deep copy)
if ( typeof target !== "object" && typeof target !== "function" ) {
target = {};
}
// Extend jQuery itself if only one argument is passed
if ( i === length ) {
target = this;
i--;
}
for ( ; i < length; i++ ) {
// Only deal with non-null/undefined values
if ( ( options = arguments[ i ] ) != null ) {
// Extend the base object
for ( name in options ) {
copy = options[ name ];
// Prevent Object.prototype pollution
// Prevent never-ending loop
if ( name === "__proto__" || target === copy ) {
continue;
}
// Recurse if we're merging plain objects or arrays
if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
( copyIsArray = Array.isArray( copy ) ) ) ) {
src = target[ name ];
// Ensure proper type for the source value
if ( copyIsArray && !Array.isArray( src ) ) {
clone = [];
} else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
clone = {};
} else {
clone = src;
}
copyIsArray = false;
// Never move original objects, clone them
target[ name ] = jQuery.extend( deep, clone, copy );
// Don't bring in undefined values
} else if ( copy !== undefined ) {
target[ name ] = copy;
}
}
}
}
// Return the modified object
return target;
};
jQuery.extend( {
// Unique for each copy of jQuery on the page
expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
// Assume jQuery is ready without the ready module
isReady: true,
error: function( msg ) {
throw new Error( msg );
},
noop: function() {},
isPlainObject: function( obj ) {
var proto, Ctor;
// Detect obvious negatives
// Use toString instead of jQuery.type to catch host objects
if ( !obj || toString.call( obj ) !== "[object Object]" ) {
return false;
}
proto = getProto( obj );
// Objects with no prototype (e.g., `Object.create( null )`) are plain
if ( !proto ) {
return true;
}
// Objects with prototype are plain iff they were constructed by a global Object function
Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
},
isEmptyObject: function( obj ) {
var name;
for ( name in obj ) {
return false;
}
return true;
},
// Evaluates a script in a global context
globalEval: function( code, options ) {
DOMEval( code, { nonce: options && options.nonce } );
},
each: function( obj, callback ) {
var length, i = 0;
if ( isArrayLike( obj ) ) {
length = obj.length;
for ( ; i < length; i++ ) {
if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
break;
}
}
} else {
for ( i in obj ) {
if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
break;
}
}
}
return obj;
},
// Retrieve the text value of an array of DOM nodes
text: function( elem ) {
var node,
ret = "",
i = 0,
nodeType = elem.nodeType;
if ( !nodeType ) {
// If no nodeType, this is expected to be an array
while ( ( node = elem[ i++ ] ) ) {
// Do not traverse comment nodes
ret += jQuery.text( node );
}
} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
// Use textContent for elements
// innerText usage removed for consistency of new lines (jQuery #11153)
if ( typeof elem.textContent === "string" ) {
return elem.textContent;
} else {
// Traverse its children
for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
ret += jQuery.text( elem );
}
}
} else if ( nodeType === 3 || nodeType === 4 ) {
return elem.nodeValue;
}
// Do not include comment or processing instruction nodes
return ret;
},
// results is for internal usage only
makeArray: function( arr, results ) {
var ret = results || [];
if ( arr != null ) {
if ( isArrayLike( Object( arr ) ) ) {
jQuery.merge( ret,
typeof arr === "string" ?
[ arr ] : arr
);
} else {
push.call( ret, arr );
}
}
return ret;
},
inArray: function( elem, arr, i ) {
return arr == null ? -1 : indexOf.call( arr, elem, i );
},
isXMLDoc: function( elem ) {
var namespace = elem.namespaceURI,
docElem = ( elem.ownerDocument || elem ).documentElement;
// Assume HTML when documentElement doesn't yet exist, such as inside
// document fragments.
return !rhtmlSuffix.test( namespace || docElem && docElem.nodeName || "HTML" );
},
merge: function( first, second ) {
var len = +second.length,
j = 0,
i = first.length;
for ( ; j < len; j++ ) {
first[ i++ ] = second[ j ];
}
first.length = i;
return first;
},
grep: function( elems, callback, invert ) {
var callbackInverse,
matches = [],
i = 0,
length = elems.length,
callbackExpect = !invert;
// Go through the array, only saving the items
// that pass the validator function
for ( ; i < length; i++ ) {
callbackInverse = !callback( elems[ i ], i );
if ( callbackInverse !== callbackExpect ) {
matches.push( elems[ i ] );
}
}
return matches;
},
// arg is for internal usage only
map: function( elems, callback, arg ) {
var length, value,
i = 0,
ret = [];
// Go through the array, translating each of the items to their new values
if ( isArrayLike( elems ) ) {
length = elems.length;
for ( ; i < length; i++ ) {
value = callback( elems[ i ], i, arg );
if ( value != null ) {
ret.push( value );
}
}
// Go through every key on the object,
} else {
for ( i in elems ) {
value = callback( elems[ i ], i, arg );
if ( value != null ) {
ret.push( value );
}
}
}
// Flatten any nested arrays
return flat( ret );
},
// A global GUID counter for objects
guid: 1,
// jQuery.support is not used in Core but other projects attach their
// properties to it so it needs to exist.
support: support
} );
if ( typeof Symbol === "function" ) {
jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
}
// Populate the class2type map
jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
function( _i, name ) {
class2type[ "[object " + name + "]" ] = name.toLowerCase();
} );
function isArrayLike( obj ) {
var length = !!obj && obj.length,
type = toType( obj );
if ( typeof obj === "function" || isWindow( obj ) ) {
return false;
}
return type === "array" || length === 0 ||
typeof length === "number" && length > 0 && ( length - 1 ) in obj;
}
function nodeName( elem, name ) {
return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
};
var documentElement = document.documentElement;
var pop = arr.pop;
var isIE = document.documentMode;
var rbuggyQSA = [],
testEl = document.createElement( "div" );
testEl.innerHTML = "<a href=''></a>";
// Support: Chrome 38 - 77 only
// Chrome considers anchor elements with href to match ":enabled"
// See https://bugs.chromium.org/p/chromium/issues/detail?id=993387
if ( testEl.querySelectorAll( ":enabled" ).length ) {
rbuggyQSA.push( ":enabled" );
}
// Support: IE 9 - 11+
// IE's :disabled selector does not pick up the children of disabled fieldsets
if ( isIE ) {
rbuggyQSA.push( ":enabled", ":disabled" );
}
rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
// Support: IE 9 - 11+, Edge 12 - 18+
// IE/Edge don't support the :scope pseudo-class.
try {
document.querySelectorAll( ":scope" );
support.scope = true;
} catch ( e ) {}
// Note: an element does not contain itself
jQuery.contains = function( a, b ) {
var adown = a.nodeType === 9 ? a.documentElement : a,
bup = b && b.parentNode;
return a === bup || !!( bup && bup.nodeType === 1 && (
// Support: IE 9 - 11+
// IE doesn't have `contains` on SVG.
adown.contains ?
adown.contains( bup ) :
a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
) );
};
// CSS string/identifier serialization
// https://drafts.csswg.org/cssom/#common-serializing-idioms
var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g;
function fcssescape( ch, asCodePoint ) {
if ( asCodePoint ) {
// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
if ( ch === "\0" ) {
return "\uFFFD";
}
// Control characters and (dependent upon position) numbers get escaped as code points
return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
}
// Other potentially-special ASCII characters get backslash-escaped
return "\\" + ch;
}
jQuery.escapeSelector = function( sel ) {
return ( sel + "" ).replace( rcssescape, fcssescape );
};
var sort = arr.sort;
var hasDuplicate;
// Document order sorting
function sortOrder( a, b ) {
// Flag for duplicate removal
if ( a === b ) {
hasDuplicate = true;
return 0;
}
// Sort on method existence if only one input has compareDocumentPosition
var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
if ( compare ) {
return compare;
}
// Calculate position if both inputs belong to the same document
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
a.compareDocumentPosition( b ) :
// Otherwise we know they are disconnected
1;
// Disconnected nodes
if ( compare & 1 ) {
// Choose the first element that is related to the document
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
if ( a == document || a.ownerDocument == document &&
jQuery.contains( document, a ) ) {
return -1;
}
// Support: IE 11+, Edge 17 - 18+
// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
// two documents; shallow comparisons work.
// eslint-disable-next-line eqeqeq
if ( b == document || b.ownerDocument == document &&
jQuery.contains( document, b ) ) {
return 1;
}
// Maintain original order
return 0;
}
return compare & 4 ? -1 : 1;
}
/**
* Document sorting and removing duplicates
* @param {ArrayLike} results
*/
jQuery.uniqueSort = function( results ) {
var elem,
duplicates = [],
j = 0,
i = 0;
hasDuplicate = false;
sort.call( results, sortOrder );
if ( hasDuplicate ) {
while ( ( elem = results[ i++ ] ) ) {
if ( elem === results[ i ] ) {
j = duplicates.push( i );
}
}
while ( j-- ) {
results.splice( duplicates[ j ], 1 );
}
}
return results;
};
var preferredDoc = document,
matches = documentElement.matches || documentElement.msMatchesSelector;
( function() {
var i,
Expr,
outermostContext,
// Local document vars
document,
documentElement,
documentIsHTML,
// Instance-specific data
expando = jQuery.expando,
dirruns = 0,
done = 0,
classCache = createCache(),
tokenCache = createCache(),
compilerCache = createCache(),
nonnativeSelectorCache = createCache(),
booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|" +
"loop|multiple|open|readonly|required|scoped",
// Regular expressions
// https://www.w3.org/TR/css3-selectors/#whitespace
whitespace = "[\\x20\\t\\r\\n\\f]",
// https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
"?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
// Attribute selectors: https://www.w3.org/TR/selectors/#attribute-selectors
attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
// Operator (capture 2)
"*([*^$|!~]?=)" + whitespace +
// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
whitespace + "*\\]",
pseudos = ":(" + identifier + ")(?:\\((" +
// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
// 1. quoted (capture 3; capture 4 or capture 5)
"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
// 2. simple (capture 6)
"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
// 3. anything else (capture 2)
".*" +
")\\)|)",
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
rwhitespace = new RegExp( whitespace + "+", "g" ),
rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" +
whitespace + "*" ),
rdescend = new RegExp( whitespace + "|>" ),
rpseudo = new RegExp( pseudos ),
ridentifier = new RegExp( "^" + identifier + "$" ),
matchExpr = {
ID: new RegExp( "^#(" + identifier + ")" ),
CLASS: new RegExp( "^\\.(" + identifier + ")" ),
TAG: new RegExp( "^(" + identifier + "|[*])" ),
ATTR: new RegExp( "^" + attributes ),
PSEUDO: new RegExp( "^" + pseudos ),
CHILD: new RegExp(
"^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
bool: new RegExp( "^(?:" + booleans + ")$", "i" ),
// For use in libraries implementing .is()
// We use this for POS matching in `select`
needsContext: new RegExp( "^" + whitespace +
"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
"*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
},
rinputs = /^(?:input|select|textarea|button)$/i,
rheader = /^h\d$/i,
// Easily-parseable/retrievable ID or TAG or CLASS selectors
rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
rsibling = /[+~]/,
// CSS escapes
// https://www.w3.org/TR/CSS21/syndata.html#escaped-characters
runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace +
"?|\\\\([^\\r\\n\\f])", "g" ),
funescape = function( escape, nonHex ) {
var high = "0x" + escape.slice( 1 ) - 0x10000;
if ( nonHex ) {
// Strip the backslash prefix from a non-hex escape sequence
return nonHex;
}
// Replace a hexadecimal escape sequence with the encoded Unicode code point
// Support: IE <=11+
// For values outside the Basic Multilingual Plane (BMP), manually construct a
// surrogate pair
return high < 0 ?
String.fromCharCode( high + 0x10000 ) :
String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
},
// Used for iframes; see `setDocument`.
// Support: IE 9 - 11+, Edge 12 - 18+
// Removing the function wrapper causes a "Permission Denied"
// error in IE/Edge.
unloadHandler = function() {
setDocument();
},
inDisabledFieldset = addCombinator(
function( elem ) {
return elem.disabled === true && nodeName( elem, "fieldset" );
},
{ dir: "parentNode", next: "legend" }
);
function selectorError( msg ) {
throw new Error( "Syntax error, unrecognized expression: " + msg );
}
function find( selector, context, results, seed ) {
var m, i, elem, nid, match, groups, newSelector,
newContext = context && context.ownerDocument,
// nodeType defaults to 9, since context defaults to document
nodeType = context ? context.nodeType : 9;
results = results || [];
// Return early from calls with invalid selector or context
if ( typeof selector !== "string" || !selector ||
nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
return results;
}
// Try to shortcut find operations (as opposed to filters) in HTML documents
if ( !seed ) {
setDocument( context );
context = context || document;
if ( documentIsHTML ) {
// If the selector is sufficiently simple, try using a "get*By*" DOM method
// (excepting DocumentFragment context, where the methods don't exist)
if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
// ID selector
if ( ( m = match[ 1 ] ) ) {
// Document context
if ( nodeType === 9 ) {
if ( ( elem = context.getElementById( m ) ) ) {
push.call( results, elem );
}
return results;
// Element context
} else {
if ( newContext && ( elem = newContext.getElementById( m ) ) &&
jQuery.contains( context, elem ) ) {
push.call( results, elem );
return results;
}
}
// Type selector
} else if ( match[ 2 ] ) {
push.apply( results, context.getElementsByTagName( selector ) );
return results;
// Class selector
} else if ( ( m = match[ 3 ] ) && context.getElementsByClassName ) {
push.apply( results, context.getElementsByClassName( m ) );
return results;
}
}
// Take advantage of querySelectorAll
if ( !nonnativeSelectorCache[ selector + " " ] &&
( !rbuggyQSA || !rbuggyQSA.test( selector ) ) ) {
newSelector = selector;
newContext = context;
// qSA considers elements outside a scoping root when evaluating child or
// descendant combinators, which is not what we want.
// In such cases, we work around the behavior by prefixing every selector in the
// list with an ID selector referencing the scope context.
// The technique has to be used as well when a leading combinator is used
// as such selectors are not recognized by querySelectorAll.
// Thanks to Andrew Dupont for this technique.
if ( nodeType === 1 &&
( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
// Expand context for sibling selectors
newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
context;
// We can use :scope instead of the ID hack if the browser
// supports it & if we're not changing the context.
if ( newContext !== context || !support.scope ) {
// Capture the context ID, setting it first if necessary
if ( ( nid = context.getAttribute( "id" ) ) ) {
nid = jQuery.escapeSelector( nid );
} else {
context.setAttribute( "id", ( nid = expando ) );
}
}
// Prefix every selector in the list
groups = tokenize( selector );
i = groups.length;
while ( i-- ) {
groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
toSelector( groups[ i ] );
}
newSelector = groups.join( "," );
}
try {
push.apply( results,
newContext.querySelectorAll( newSelector )
);
return results;
} catch ( qsaError ) {
nonnativeSelectorCache( selector, true );
} finally {
if ( nid === expando ) {
context.removeAttribute( "id" );
}
}
}
}
}
// All others
return select( selector.replace( rtrim, "$1" ), context, results, seed );
}
/**
* Create key-value caches of limited size
* @returns {function(string, object)} Returns the Object data after storing it on itself with
* property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
* deleting the oldest entry
*/
function createCache() {
var keys = [];
function cache( key, value ) {
// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
if ( keys.push( key + " " ) > Expr.cacheLength ) {
// Only keep the most recent entries
delete cache[ keys.shift() ];
}
return ( cache[ key + " " ] = value );
}
return cache;
}
/**
* Mark a function for special use by jQuery selector module
* @param {Function} fn The function to mark