/actionview/test/ujs/public/vendor/jquery-2.2.0.js
JavaScript | 1833 lines | 1101 code | 324 blank | 408 comment | 315 complexity | ab92b270bd744a1bdee7430a7565fc47 MD5 | raw file
Possible License(s): ISC
- /*!
- * jQuery JavaScript Library v2.2.0
- * http://jquery.com/
- *
- * Includes Sizzle.js
- * http://sizzlejs.com/
- *
- * Copyright jQuery Foundation and other contributors
- * Released under the MIT license
- * http://jquery.org/license
- *
- * Date: 2016-01-08T20:02Z
- */
- (function( global, factory ) {
- 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 ) {
- // Support: Firefox 18+
- // Can't be in strict mode, several libs including ASP.NET trace
- // the stack via arguments.caller.callee and Firefox dies if
- // you try to trace through "use strict" call chains. (#13335)
- //"use strict";
- var arr = [];
- var document = window.document;
- var slice = arr.slice;
- var concat = arr.concat;
- var push = arr.push;
- var indexOf = arr.indexOf;
- var class2type = {};
- var toString = class2type.toString;
- var hasOwn = class2type.hasOwnProperty;
- var support = {};
- var
- version = "2.2.0",
- // 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 );
- },
- // Support: Android<4.1
- // Make sure we trim BOM and NBSP
- rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
- // Matches dashed string for camelizing
- rmsPrefix = /^-ms-/,
- rdashAlpha = /-([\da-z])/gi,
- // Used by jQuery.camelCase as callback to replace()
- fcamelCase = function( all, letter ) {
- return letter.toUpperCase();
- };
- jQuery.fn = jQuery.prototype = {
- // The current version of jQuery being used
- jquery: version,
- constructor: jQuery,
- // Start with an empty selector
- selector: "",
- // 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 num != null ?
- // Return just the one element from the set
- ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
- // Return all the elements in a clean array
- slice.call( this );
- },
- // 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;
- ret.context = this.context;
- // 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 );
- },
- 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();
- },
- // For internal use only.
- // Behaves like an Array's method, not like a jQuery method.
- push: push,
- sort: arr.sort,
- splice: arr.splice
- };
- 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" && !jQuery.isFunction( target ) ) {
- 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 ) {
- src = target[ name ];
- copy = options[ name ];
- // Prevent never-ending loop
- if ( target === copy ) {
- continue;
- }
- // Recurse if we're merging plain objects or arrays
- if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
- ( copyIsArray = jQuery.isArray( copy ) ) ) ) {
- if ( copyIsArray ) {
- copyIsArray = false;
- clone = src && jQuery.isArray( src ) ? src : [];
- } else {
- clone = src && jQuery.isPlainObject( src ) ? src : {};
- }
- // 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() {},
- isFunction: function( obj ) {
- return jQuery.type( obj ) === "function";
- },
- isArray: Array.isArray,
- isWindow: function( obj ) {
- return obj != null && obj === obj.window;
- },
- isNumeric: function( obj ) {
- // parseFloat NaNs numeric-cast false positives (null|true|false|"")
- // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
- // subtraction forces infinities to NaN
- // adding 1 corrects loss of precision from parseFloat (#15100)
- var realStringObj = obj && obj.toString();
- return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;
- },
- isPlainObject: function( obj ) {
- // Not plain objects:
- // - Any object or value whose internal [[Class]] property is not "[object Object]"
- // - DOM nodes
- // - window
- if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
- return false;
- }
- if ( obj.constructor &&
- !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
- return false;
- }
- // If the function hasn't returned already, we're confident that
- // |obj| is a plain object, created by {} or constructed with new Object
- return true;
- },
- isEmptyObject: function( obj ) {
- var name;
- for ( name in obj ) {
- return false;
- }
- return true;
- },
- type: function( obj ) {
- if ( obj == null ) {
- return obj + "";
- }
- // Support: Android<4.0, iOS<6 (functionish RegExp)
- return typeof obj === "object" || typeof obj === "function" ?
- class2type[ toString.call( obj ) ] || "object" :
- typeof obj;
- },
- // Evaluates a script in a global context
- globalEval: function( code ) {
- var script,
- indirect = eval;
- code = jQuery.trim( code );
- if ( code ) {
- // If the code includes a valid, prologue position
- // strict mode pragma, execute code by injecting a
- // script tag into the document.
- if ( code.indexOf( "use strict" ) === 1 ) {
- script = document.createElement( "script" );
- script.text = code;
- document.head.appendChild( script ).parentNode.removeChild( script );
- } else {
- // Otherwise, avoid the DOM node creation, insertion
- // and removal by using an indirect global eval
- indirect( code );
- }
- }
- },
- // Convert dashed to camelCase; used by the CSS and data modules
- // Support: IE9-11+
- // Microsoft forgot to hump their vendor prefix (#9572)
- camelCase: function( string ) {
- return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
- },
- nodeName: function( elem, name ) {
- return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
- },
- 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;
- },
- // Support: Android<4.1
- trim: function( text ) {
- return text == null ?
- "" :
- ( text + "" ).replace( rtrim, "" );
- },
- // 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 );
- },
- 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 concat.apply( [], ret );
- },
- // A global GUID counter for objects
- guid: 1,
- // Bind a function to a context, optionally partially applying any
- // arguments.
- proxy: function( fn, context ) {
- var tmp, args, proxy;
- if ( typeof context === "string" ) {
- tmp = fn[ context ];
- context = fn;
- fn = tmp;
- }
- // Quick check to determine if target is callable, in the spec
- // this throws a TypeError, but we will just return undefined.
- if ( !jQuery.isFunction( fn ) ) {
- return undefined;
- }
- // Simulated bind
- args = slice.call( arguments, 2 );
- proxy = function() {
- return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
- };
- // Set the guid of unique handler to the same of original handler, so it can be removed
- proxy.guid = fn.guid = fn.guid || jQuery.guid++;
- return proxy;
- },
- now: Date.now,
- // jQuery.support is not used in Core but other projects attach their
- // properties to it so it needs to exist.
- support: support
- } );
- // JSHint would error on this code due to the Symbol not being defined in ES5.
- // Defining this global in .jshintrc would create a danger of using the global
- // unguarded in another place, it seems safer to just disable JSHint for these
- // three lines.
- /* jshint ignore: start */
- if ( typeof Symbol === "function" ) {
- jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
- }
- /* jshint ignore: end */
- // 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 ) {
- // Support: iOS 8.2 (not reproducible in simulator)
- // `in` check used to prevent JIT error (gh-2145)
- // hasOwn isn't used here due to false negatives
- // regarding Nodelist length in IE
- var length = !!obj && "length" in obj && obj.length,
- type = jQuery.type( obj );
- if ( type === "function" || jQuery.isWindow( obj ) ) {
- return false;
- }
- return type === "array" || length === 0 ||
- typeof length === "number" && length > 0 && ( length - 1 ) in obj;
- }
- var Sizzle =
- /*!
- * Sizzle CSS Selector Engine v2.2.1
- * http://sizzlejs.com/
- *
- * Copyright jQuery Foundation and other contributors
- * Released under the MIT license
- * http://jquery.org/license
- *
- * Date: 2015-10-17
- */
- (function( window ) {
- var i,
- support,
- Expr,
- getText,
- isXML,
- tokenize,
- compile,
- select,
- outermostContext,
- sortInput,
- hasDuplicate,
- // Local document vars
- setDocument,
- document,
- docElem,
- documentIsHTML,
- rbuggyQSA,
- rbuggyMatches,
- matches,
- contains,
- // Instance-specific data
- expando = "sizzle" + 1 * new Date(),
- preferredDoc = window.document,
- dirruns = 0,
- done = 0,
- classCache = createCache(),
- tokenCache = createCache(),
- compilerCache = createCache(),
- sortOrder = function( a, b ) {
- if ( a === b ) {
- hasDuplicate = true;
- }
- return 0;
- },
- // General-purpose constants
- MAX_NEGATIVE = 1 << 31,
- // Instance methods
- hasOwn = ({}).hasOwnProperty,
- arr = [],
- pop = arr.pop,
- push_native = arr.push,
- push = arr.push,
- slice = arr.slice,
- // Use a stripped-down indexOf as it's faster than native
- // http://jsperf.com/thor-indexof-vs-for/5
- indexOf = function( list, elem ) {
- var i = 0,
- len = list.length;
- for ( ; i < len; i++ ) {
- if ( list[i] === elem ) {
- return i;
- }
- }
- return -1;
- },
- booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
- // Regular expressions
- // http://www.w3.org/TR/css3-selectors/#whitespace
- whitespace = "[\\x20\\t\\r\\n\\f]",
- // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
- identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
- // Attribute selectors: http://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 + "+$", "g" ),
- rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
- rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
- rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
- rpseudo = new RegExp( pseudos ),
- ridentifier = new RegExp( "^" + identifier + "$" ),
- 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,
- rnative = /^[^{]+\{\s*\[native \w/,
- // Easily-parseable/retrievable ID or TAG or CLASS selectors
- rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
- rsibling = /[+~]/,
- rescape = /'|\\/g,
- // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
- runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
- funescape = function( _, escaped, escapedWhitespace ) {
- var high = "0x" + escaped - 0x10000;
- // NaN means non-codepoint
- // Support: Firefox<24
- // Workaround erroneous numeric interpretation of +"0x"
- return high !== high || escapedWhitespace ?
- escaped :
- high < 0 ?
- // BMP codepoint
- String.fromCharCode( high + 0x10000 ) :
- // Supplemental Plane codepoint (surrogate pair)
- String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
- },
- // Used for iframes
- // See setDocument()
- // Removing the function wrapper causes a "Permission Denied"
- // error in IE
- unloadHandler = function() {
- setDocument();
- };
- // Optimize for push.apply( _, NodeList )
- try {
- push.apply(
- (arr = slice.call( preferredDoc.childNodes )),
- preferredDoc.childNodes
- );
- // Support: Android<4.0
- // Detect silently failing push.apply
- arr[ preferredDoc.childNodes.length ].nodeType;
- } catch ( e ) {
- push = { apply: arr.length ?
- // Leverage slice if possible
- function( target, els ) {
- push_native.apply( target, slice.call(els) );
- } :
- // Support: IE<9
- // Otherwise append directly
- function( target, els ) {
- var j = target.length,
- i = 0;
- // Can't trust NodeList.length
- while ( (target[j++] = els[i++]) ) {}
- target.length = j - 1;
- }
- };
- }
- function Sizzle( selector, context, results, seed ) {
- var m, i, elem, nid, nidselect, 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 ) {
- if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
- 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 )) ) {
- // Support: IE, Opera, Webkit
- // TODO: identify versions
- // getElementById can match elements by name instead of ID
- if ( elem.id === m ) {
- results.push( elem );
- return results;
- }
- } else {
- return results;
- }
- // Element context
- } else {
- // Support: IE, Opera, Webkit
- // TODO: identify versions
- // getElementById can match elements by name instead of ID
- if ( newContext && (elem = newContext.getElementById( m )) &&
- contains( context, elem ) &&
- elem.id === m ) {
- results.push( elem );
- return results;
- }
- }
- // Type selector
- } else if ( match[2] ) {
- push.apply( results, context.getElementsByTagName( selector ) );
- return results;
- // Class selector
- } else if ( (m = match[3]) && support.getElementsByClassName &&
- context.getElementsByClassName ) {
- push.apply( results, context.getElementsByClassName( m ) );
- return results;
- }
- }
- // Take advantage of querySelectorAll
- if ( support.qsa &&
- !compilerCache[ selector + " " ] &&
- (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
- if ( nodeType !== 1 ) {
- newContext = context;
- newSelector = selector;
- // qSA looks outside Element context, which is not what we want
- // Thanks to Andrew Dupont for this workaround technique
- // Support: IE <=8
- // Exclude object elements
- } else if ( context.nodeName.toLowerCase() !== "object" ) {
- // Capture the context ID, setting it first if necessary
- if ( (nid = context.getAttribute( "id" )) ) {
- nid = nid.replace( rescape, "\\$&" );
- } else {
- context.setAttribute( "id", (nid = expando) );
- }
- // Prefix every selector in the list
- groups = tokenize( selector );
- i = groups.length;
- nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']";
- while ( i-- ) {
- groups[i] = nidselect + " " + toSelector( groups[i] );
- }
- newSelector = groups.join( "," );
- // Expand context for sibling selectors
- newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
- context;
- }
- if ( newSelector ) {
- try {
- push.apply( results,
- newContext.querySelectorAll( newSelector )
- );
- return results;
- } catch ( qsaError ) {
- } 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 Sizzle
- * @param {Function} fn The function to mark
- */
- function markFunction( fn ) {
- fn[ expando ] = true;
- return fn;
- }
- /**
- * Support testing using an element
- * @param {Function} fn Passed the created div and expects a boolean result
- */
- function assert( fn ) {
- var div = document.createElement("div");
- try {
- return !!fn( div );
- } catch (e) {
- return false;
- } finally {
- // Remove from its parent by default
- if ( div.parentNode ) {
- div.parentNode.removeChild( div );
- }
- // release memory in IE
- div = null;
- }
- }
- /**
- * Adds the same handler for all of the specified attrs
- * @param {String} attrs Pipe-separated list of attributes
- * @param {Function} handler The method that will be applied
- */
- function addHandle( attrs, handler ) {
- var arr = attrs.split("|"),
- i = arr.length;
- while ( i-- ) {
- Expr.attrHandle[ arr[i] ] = handler;
- }
- }
- /**
- * Checks document order of two siblings
- * @param {Element} a
- * @param {Element} b
- * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
- */
- function siblingCheck( a, b ) {
- var cur = b && a,
- diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
- ( ~b.sourceIndex || MAX_NEGATIVE ) -
- ( ~a.sourceIndex || MAX_NEGATIVE );
- // Use IE sourceIndex if available on both nodes
- if ( diff ) {
- return diff;
- }
- // Check if b follows a
- if ( cur ) {
- while ( (cur = cur.nextSibling) ) {
- if ( cur === b ) {
- return -1;
- }
- }
- }
- return a ? 1 : -1;
- }
- /**
- * Returns a function to use in pseudos for input types
- * @param {String} type
- */
- function createInputPseudo( type ) {
- return function( elem ) {
- var name = elem.nodeName.toLowerCase();
- return name === "input" && elem.type === type;
- };
- }
- /**
- * Returns a function to use in pseudos for buttons
- * @param {String} type
- */
- function createButtonPseudo( type ) {
- return function( elem ) {
- var name = elem.nodeName.toLowerCase();
- return (name === "input" || name === "button") && elem.type === type;
- };
- }
- /**
- * Returns a function to use in pseudos for positionals
- * @param {Function} fn
- */
- function createPositionalPseudo( fn ) {
- return markFunction(function( argument ) {
- argument = +argument;
- return markFunction(function( seed, matches ) {
- var j,
- matchIndexes = fn( [], seed.length, argument ),
- i = matchIndexes.length;
- // Match elements found at the specified indexes
- while ( i-- ) {
- if ( seed[ (j = matchIndexes[i]) ] ) {
- seed[j] = !(matches[j] = seed[j]);
- }
- }
- });
- });
- }
- /**
- * Checks a node for validity as a Sizzle context
- * @param {Element|Object=} context
- * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
- */
- function testContext( context ) {
- return context && typeof context.getElementsByTagName !== "undefined" && context;
- }
- // Expose support vars for convenience
- support = Sizzle.support = {};
- /**
- * Detects XML nodes
- * @param {Element|Object} elem An element or a document
- * @returns {Boolean} True iff elem is a non-HTML XML node
- */
- isXML = Sizzle.isXML = function( elem ) {
- // documentElement is verified for cases where it doesn't yet exist
- // (such as loading iframes in IE - #4833)
- var documentElement = elem && (elem.ownerDocument || elem).documentElement;
- return documentElement ? documentElement.nodeName !== "HTML" : false;
- };
- /**
- * Sets document-related variables once based on the current document
- * @param {Element|Object} [doc] An element or document object to use to set the document
- * @returns {Object} Returns the current document
- */
- setDocument = Sizzle.setDocument = function( node ) {
- var hasCompare, parent,
- doc = node ? node.ownerDocument || node : preferredDoc;
- // Return early if doc is invalid or already selected
- if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
- return document;
- }
- // Update global variables
- document = doc;
- docElem = document.documentElement;
- documentIsHTML = !isXML( document );
- // Support: IE 9-11, Edge
- // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
- if ( (parent = document.defaultView) && parent.top !== parent ) {
- // Support: IE 11
- if ( parent.addEventListener ) {
- parent.addEventListener( "unload", unloadHandler, false );
- // Support: IE 9 - 10 only
- } else if ( parent.attachEvent ) {
- parent.attachEvent( "onunload", unloadHandler );
- }
- }
- /* Attributes
- ---------------------------------------------------------------------- */
- // Support: IE<8
- // Verify that getAttribute really returns attributes and not properties
- // (excepting IE8 booleans)
- support.attributes = assert(function( div ) {
- div.className = "i";
- return !div.getAttribute("className");
- });
- /* getElement(s)By*
- ---------------------------------------------------------------------- */
- // Check if getElementsByTagName("*") returns only elements
- support.getElementsByTagName = assert(function( div ) {
- div.appendChild( document.createComment("") );
- return !div.getElementsByTagName("*").length;
- });
- // Support: IE<9
- support.getElementsByClassName = rnative.test( document.getElementsByClassName );
- // Support: IE<10
- // Check if getElementById returns elements by name
- // The broken getElementById methods don't pick up programmatically-set names,
- // so use a roundabout getElementsByName test
- support.getById = assert(function( div ) {
- docElem.appendChild( div ).id = expando;
- return !document.getElementsByName || !document.getElementsByName( expando ).length;
- });
- // ID find and filter
- if ( support.getById ) {
- Expr.find["ID"] = function( id, context ) {
- if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
- var m = context.getElementById( id );
- return m ? [ m ] : [];
- }
- };
- Expr.filter["ID"] = function( id ) {
- var attrId = id.replace( runescape, funescape );
- return function( elem ) {
- return elem.getAttribute("id") === attrId;
- };
- };
- } else {
- // Support: IE6/7
- // getElementById is not reliable as a find shortcut
- delete Expr.find["ID"];
- Expr.filter["ID"] = function( id ) {
- var attrId = id.replace( runescape, funescape );
- return function( elem ) {
- var node = typeof elem.getAttributeNode !== "undefined" &&
- elem.getAttributeNode("id");
- return node && node.value === attrId;
- };
- };
- }
- // Tag
- Expr.find["TAG"] = support.getElementsByTagName ?
- function( tag, context ) {
- if ( typeof context.getElementsByTagName !== "undefined" ) {
- return context.getElementsByTagName( tag );
- // DocumentFragment nodes don't have gEBTN
- } else if ( support.qsa ) {
- return context.querySelectorAll( tag );
- }
- } :
- function( tag, context ) {
- var elem,
- tmp = [],
- i = 0,
- // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
- results = context.getElementsByTagName( tag );
- // Filter out possible comments
- if ( tag === "*" ) {
- while ( (elem = results[i++]) ) {
- if ( elem.nodeType === 1 ) {
- tmp.push( elem );
- }
- }
- return tmp;
- }
- return results;
- };
- // Class
- Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
- if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
- return context.getElementsByClassName( className );
- }
- };
- /* QSA/matchesSelector
- ---------------------------------------------------------------------- */
- // QSA and matchesSelector support
- // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
- rbuggyMatches = [];
- // qSa(:focus) reports false when true (Chrome 21)
- // We allow this because of a bug in IE8/9 that throws an error
- // whenever `document.activeElement` is accessed on an iframe
- // So, we allow :focus to pass through QSA all the time to avoid the IE error
- // See http://bugs.jquery.com/ticket/13378
- rbuggyQSA = [];
- if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
- // Build QSA regex
- // Regex strategy adopted from Diego Perini
- assert(function( div ) {
- // Select is set to empty string on purpose
- // This is to test IE's treatment of not explicitly
- // setting a boolean content attribute,
- // since its presence should be enough
- // http://bugs.jquery.com/ticket/12359
- docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" +
- "<select id='" + expando + "-\r\\' msallowcapture=''>" +
- "<option selected=''></option></select>";
- // Support: IE8, Opera 11-12.16
- // Nothing should be selected when empty strings follow ^= or $= or *=
- // The test attribute must be unknown in Opera but "safe" for WinRT
- // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
- if ( div.querySelectorAll("[msallowcapture^='']").length ) {
- rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
- }
- // Support: IE8
- // Boolean attributes and "value" are not treated correctly
- if ( !div.querySelectorAll("[selected]").length ) {
- rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
- }
- // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
- if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
- rbuggyQSA.push("~=");
- }
- // Webkit/Opera - :checked should return selected option elements
- // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
- // IE8 throws error here and will not see later tests
- if ( !div.querySelectorAll(":checked").length ) {
- rbuggyQSA.push(":checked");
- }
- // Support: Safari 8+, iOS 8+
- // https://bugs.webkit.org/show_bug.cgi?id=136851
- // In-page `selector#id sibing-combinator selector` fails
- if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) {
- rbuggyQSA.push(".#.+[+~]");
- }
- });
- assert(function( div ) {
- // Support: Windows 8 Native Apps
- // The type and name attributes are restricted during .innerHTML assignment
- var input = document.createElement("input");
- input.setAttribute( "type", "hidden" );
- div.appendChild( input ).setAttribute( "name", "D" );
- // Support: IE8
- // Enforce case-sensitivity of name attribute
- if ( div.querySelectorAll("[name=d]").length ) {
- rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
- }
- // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
- // IE8 throws error here and will not see later tests
- if ( !div.querySelectorAll(":enabled").length ) {
- rbuggyQSA.push( ":enabled", ":disabled" );
- }
- // Opera 10-11 does not throw on post-comma invalid pseudos
- div.querySelectorAll("*,:x");
- rbuggyQSA.push(",.*:");
- });
- }
- if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
- docElem.webkitMatchesSelector ||
- docElem.mozMatchesSelector ||
- docElem.oMatchesSelector ||
- docElem.msMatchesSelector) )) ) {
- assert(function( div ) {
- // Check to see if it's possible to do matchesSelector
- // on a disconnected node (IE 9)
- support.disconnectedMatch = matches.call( div, "div" );
- // This should fail with an exception
- // Gecko does not error, returns false instead
- matches.call( div, "[s!='']:x" );
- rbuggyMatches.push( "!=", pseudos );
- });
- }
- rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
- rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
- /* Contains
- ---------------------------------------------------------------------- */
- hasCompare = rnative.test( docElem.compareDocumentPosition );
- // Element contains another
- // Purposefully self-exclusive
- // As in, an element does not contain itself
- contains = hasCompare || rnative.test( docElem.contains ) ?
- function( a, b ) {
- var adown = a.nodeType === 9 ? a.documentElement : a,
- bup = b && b.parentNode;
- return a === bup || !!( bup && bup.nodeType === 1 && (
- adown.contains ?
- adown.contains( bup ) :
- a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
- ));
- } :
- function( a, b ) {
- if ( b ) {
- while ( (b = b.parentNode) ) {
- if ( b === a ) {
- return true;
- }
- }
- }
- return false;
- };
- /* Sorting
- ---------------------------------------------------------------------- */
- // Document order sorting
- sortOrder = hasCompare ?
- function( 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
- compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
- a.compareDocumentPosition( b ) :
- // Otherwise we know they are disconnected
- 1;
- // Disconnected nodes
- if ( compare & 1 ||
- (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
- // Choose the first element that is related to our preferred document
- if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
- return -1;
- }
- if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
- return 1;
- }
- // Maintain original order
- return sortInput ?
- ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
- 0;
- }
- return compare & 4 ? -1 : 1;
- } :
- function( a, b ) {
- // Exit early if the nodes are identical
- if ( a === b ) {
- hasDuplicate = true;
- return 0;
- }
- var cur,
- i = 0,
- aup = a.parentNode,
- bup = b.parentNode,
- ap = [ a ],
- bp = [ b ];
- // Parentless nodes are either documents or disconnected
- if ( !aup || !bup ) {
- return a === document ? -1 :
- b === document ? 1 :
- aup ? -1 :
- bup ? 1 :
- sortInput ?
- ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
- 0;
- // If the nodes are siblings, we can do a quick check
- } else if ( aup === bup ) {
- return siblingCheck( a, b );
- }
- // Otherwise we need full lists of their ancestors for comparison
- cur = a;
- while ( (cur = cur.parentNode) ) {
- ap.unshift( cur );
- }
- cur = b;
- while ( (cur = cur.parentNode) ) {
- bp.unshift( cur );
- }
- // Walk down the tree looking for a discrepancy
- while ( ap[i] === bp[i] ) {
- i++;
- }
- return i ?
- // Do a sibling check if the nodes have a common ancestor
- siblingCheck( ap[i], bp[i] ) :
- // Otherwise nodes in our document sort first
- ap[i] === preferredDoc ? -1 :
- bp[i] === preferredDoc ? 1 :
- 0;
- };
- return document;
- };
- Sizzle.matches = function( expr, elements ) {
- return Sizzle( expr, null, null, elements );
- };
- Sizzle.matchesSelector = function( elem, expr ) {
- // Set document vars if needed
- if ( ( elem.ownerDocument || elem ) !== document ) {
- setDocument( elem );
- }
- // Make sure that attribute selectors are quoted
- expr = expr.replace( rattributeQuotes, "='$1']" );
- if ( support.matchesSelector && documentIsHTML &&
- !compilerCache[ expr + " " ] &&
- ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
- ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
- try {
- var ret = matches.call( elem, expr );
- // IE 9's matchesSelector returns false on disconnected nodes
- if ( ret || support.disconnectedMatch ||
- // As well, disconnected nodes are said to be in a document
- // fragment in IE 9
- elem.document && elem.document.nodeType !== 11 ) {
- return ret;
- }
- } catch (e) {}
- }
- return Sizzle( expr, document, null, [ elem ] ).length > 0;
- };
- Sizzle.contains = function( context, elem ) {
- // Set document vars if needed
- if ( ( context.ownerDocument || context ) !== document ) {
- setDocument( context );
- }
- return contains( context, elem );
- };
- Sizzle.attr = function( elem, name ) {
- // Set document vars if needed
- if ( ( elem.ownerDocument || elem ) !== document ) {
- setDocument( elem );
- }
- var fn = Expr.attrHandle[ name.toLowerCase() ],
- // Don't get fooled by Object.prototype properties (jQuery #13807)
- val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
- fn( elem, name, !documentIsHTML ) :
- undefined;
- return val !== undefined ?
- val :
- support.attributes || !documentIsHTML ?
- elem.getAttribute( name ) :
- (val = elem.getAttributeNode(name)) && val.specified ?
- val.value :
- null;
- };
- Sizzle.error = function( msg ) {
- throw new Error( "Syntax error, unrecognized expression: " + msg );
- };
- /**
- * Document sorting and removing duplicates
- * @param {ArrayLike} results
- */
- Sizzle.uniqueSort = function( results ) {
- var elem,
- duplicates = [],
- j = 0,
- i = 0;
- // Unless we *know* we can detect duplicates, assume their presence
- hasDuplicate = !support.detectDuplicates;
- sortInput = !support.sortStable && results.slice( 0 );
- results.sort( sortOrder );
- if ( hasDuplicate ) {
- while ( (elem = results[i++]) ) {
- if ( elem === results[ i ] ) {
- j = duplicates.push( i );
- }
- }
- while ( j-- ) {
- results.splice( duplicates[ j ], 1 );
- }
- }
- // Clear input after sorting to release objects
- // See https://github.com/jquery/sizzle/pull/225
- sortInput = null;
- return results;
- };
- /**
- * Utility function for retrieving the text value of an array of DOM nodes
- * @param {Array|Element} elem
- */
- getText = Sizzle.getText = 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 += getText( 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 += getText( elem );
- }
- }
- } else if ( nodeType === 3 || nodeType === 4 ) {
- return elem.nodeValue;
- }
- // Do not include comment or processing instruction nodes
- return ret;
- };
- Expr = Sizzle.selectors = {
- // Can be adjusted by the user
- cacheLength: 50,
- createPseudo: markFunction,
- match: matchExpr,
- attrHandle: {},
- find: {},
- relative: {
- ">": { dir: "parentNode", first: true },
- " ": { dir: "parentNode" },
- "+": { dir: "previousSibling", first: true },
- "~": { dir: "previousSibling" }
- },
- preFilter: {
- "ATTR": function( match ) {
- match[1] = match[1].replace( runescape, funescape );
- // Move the given value to match[3] whether quoted or unquoted
- match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
- if ( match[2] === "~=" ) {
- match[3] = " " + match[3] + " ";
- }
- return match.slice( 0, 4 );
- },
- "CHILD": function( match ) {
- /* matches from matchExpr["CHILD"]
- 1 type (only|nth|...)
- 2 what (child|of-type)
- 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
- 4 xn-component of xn+y argument ([+-]?\d*n|)
- 5 sign of xn-component
- 6 x of xn-component
- 7 sign of y-component
- 8 y of y-component
- */
- match[1] = match[1].toLowerCase();
- if ( match[1].slice( 0, 3 ) === "nth" ) {
- // nth-* requires argument
- if ( !match[3] ) {
- Sizzle.error( match[0] );
- }
- // numeric x and y parameters for Expr.filter.CHILD
- // remember that false/true cast respectively to 0/1
- match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
- match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
- // other types prohibit arguments
- } else if ( match[3] ) {
- Sizzle.error( match[0] );
- }
- return match;
- },
- "PSEUDO": function( match ) {
- var excess,
- unquoted = !match[6] && match[2];
- if ( matchExpr["CHILD"].test( match[0] ) ) {
- return null;
- }
- // Accept quoted arguments as-is
- if ( match[3] ) {
- match[2] = match[4] || match[5] || "";
- // Strip excess characters from unquoted arguments
- } else if ( unquoted && rpseudo.test( unquoted ) &&
- // Get excess from tokenize (recursively)
- (excess = tokenize( unquoted, true )) &&
- // advance to the next closing parenthesis
- (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
- // excess is a negative index
- match[0] = match[0].slice( 0, excess );
- match[2] = unquoted.slice( 0, excess );
- }
- // Return only captures needed by the pseudo filter method (type and argument)
- return match.slice( 0, 3 );
- }
- },
- filter: {
- "TAG": function( nodeNameSelector ) {
- var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
- return nodeNameSelector === "*" ?
- function() { return true; } :
- function( elem ) {
- return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
- };
- },
- "CLASS": function( className ) {
- var pattern = classCache[ className + " " ];
- return pattern ||
- (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
- classCache( className, function( elem ) {
- return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
- });
- },
- "ATTR": function( name, operator, check ) {
- return function( elem ) {
- var result = Sizzle.attr( elem, name );
- if ( result == null ) {
- return operator === "!=";
- }
- if ( !operator ) {
- return true;
- }
- result += "";
- return operator === "=" ? result === check :
- operator === "!=" ? result !== check :
- operator === "^=" ? check && result.indexOf( check ) === 0 :
- operator === "*=" ? check && result.indexOf( check ) > -1 :
- operator === "$=" ? check && result.slice( -check.length ) === check :
- operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
- operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
- false;
- };
- },
- "CHILD": function( type, what, argument, first, last ) {
- var simple = type.slice( 0, 3 ) !== "nth",
- forward = type.slice( -4 ) !== "last",
- ofType = what === "of-type";
- return first === 1 && last === 0 ?
- // Shortcut for :nth-*(n)
- function( elem ) {
- return !!elem.parentNode;
- } :
- function( elem, context, xml ) {
- var cache, uniqueCache, outerCache, node, nodeIndex, start,
- dir = simple !== forward ? "nextSibling" : "previousSibling",
- parent = elem.parentNode,
- name = ofType && elem.nodeName.toLowerCase(),
- useCache = !xml && !ofType,
- diff = false;
- if ( parent ) {
- // :(first|last|only)-(child|of-type)
- if ( simple ) {
- while ( dir ) {
- node = elem;
- while ( (node = node[ dir ]) ) {
- if ( ofType ?
- node.nodeName.toLowerCase() === name :
- node.nodeType === 1 ) {
- return false;
- }
- }
- // Reverse direction for :only-* (if we haven't yet done so)
- start = dir = type === "only" && !start && "nextSibling";
- }
- return true;
- }
- start = [ forward ? parent.firstChild : parent.lastChild ];
- // non-xml :nth-child(...) stores cache data on `parent`
- if ( forward && useCache ) {
- // Seek `elem` from a previously-cached index
- // ...in a gzip-friendly way
- node = parent;
- outerCache = node[ expando ] || (node[ expando ] = {});
- // Support: IE <9 only
- // Defend against cloned attroperties (jQuery gh-1709)
- uniqueCache = outerCache[ node.uniqueID ] ||
- (outerCache[ node.uniqueID ] = {});
- cache = uniqueCache[ type ] || [];
- nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
- diff = nodeIndex && cache[ 2 ];
- node = nodeIndex && parent.childNodes[ nodeIndex ];
- while ( (node = ++nodeIndex && node && node[ dir ] ||
- // Fallback to seeking `elem` from the start
- (diff = nodeIndex = 0) || start.pop()) ) {
- // When found, cache indexes on `parent` and break
- if ( node.nodeType === 1 && ++diff && node === elem ) {
- uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
- break;
- }
- }
- } else {
- // Use previously-cached element index if available
- if ( useCache ) {
- // ...in a gzip-friendly way
- node = elem;
- outerCache = node[ expando ] || (node[ expando ] = {});
- // Support: IE <9 only
- // Defend against cloned attroperties (jQuery gh-1709)
- uniqueCache = outerCache[ node.uniqueID ] ||
- (outerCache[ node.uniqueID ] = {});
- cache = uniqueCache[ type ] || [];
- nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
- diff = nodeIndex;
- }
- // xml :nth-child(...)
- // or :nth-last-child(...) or :nth(-last)?-of-type(...)
- if ( diff === false ) {
- // Use the same loop as above to seek `elem` from the start
- while ( (node = ++nodeIndex && node && node[ dir ] ||
- (diff = nodeIndex = 0) || start.pop()) ) {
- if ( ( ofType ?
- node.nodeName.toLowerCase() === name :
- node.nodeType === 1 ) &&
- ++diff ) {
- // Cache the index of each encountered element
- if ( useCache ) {
- outerCache = node[ expando ] || (node[ expando ] = {});
- // Support: IE <9 only
- // Defend against cloned attroperties (jQuery gh-1709)
- uniqueCache = outerCache[ node.uniqueID ] ||
- (outerCache[ node.uniqueID ] = {});
- uniqueCache[ type ] = [ dirruns, diff ];
- }
- if ( node === elem ) {
- break;
- }
- }
- }
- }
- }
- // Incorporate the offset, then check against cycle size
- diff -= last;
- return diff === first || ( diff % first === 0 && diff / first >= 0 );
- }
- };
- },
- "PSEUDO": function( pseudo, argument ) {
- // pseudo-class names are case-insensitive
- // http://www.w3.org/TR/selectors/#pseudo-classes
- // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
- // Remember that setFilters inherits from pseudos
- var args,
- fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
- Sizzle.error( "unsupported pseudo: " + pseudo );
- // The user may use createPseudo to indicate that
- // arguments are needed to create the filter function
- // just as Sizzle does
- if ( fn[ expando ] ) {
- return fn( argument );
- }
- // But maintain support for old signatures
- if ( fn.length > 1 ) {
- args = [ pseudo, pseudo, "", argument ];
- return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
- markFunction(function( seed, matches ) {
- var idx,
- matched = fn( seed, argument ),
- i = matched.length;
- while ( i-- ) {
- idx = indexOf( seed, matched[i] );
- seed[ idx ] = !( matches[ idx ] = matched[i] );
- }
- }) :
- function( elem ) {
-