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/*! * jQuery JavaScript Library v1.12.4 * 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: 2016-05-20T17:17Z */
(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 deletedIds = [];
var document = window.document;
var slice = deletedIds.slice;
var concat = deletedIds.concat;
var push = deletedIds.push;
var indexOf = deletedIds.indexOf;
var class2type = {};
var toString = class2type.toString;
var hasOwn = class2type.hasOwnProperty;
var support = {};
var version = "1.12.4",
// 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, IE<9 // Make sure we trim BOM and NBSP rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
// For internal use only. // Behaves like an Array's method, not like a jQuery method. push: push, sort: deletedIds.sort, splice: deletedIds.splice };
jQuery.extend = jQuery.fn.extend = function() { var src, copyIsArray, copy, name, options, 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 ];
// See test/unit/core.js for details concerning isFunction. // Since version 1.3, DOM methods and functions like alert // aren't supported. They return false on IE (#2968). isFunction: function( obj ) { return jQuery.type( obj ) === "function"; },
// 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; },
isEmptyObject: function( obj ) { var name; for ( name in obj ) { return false; } return true; },
isPlainObject: function( obj ) { var key;
// Must be an Object. // Because of IE, we also have to check the presence of the constructor property. // Make sure that DOM nodes and window objects don't pass through, as well if ( !obj || jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { return false; }
try {
// Not own constructor property must be Object if ( obj.constructor && !hasOwn.call( obj, "constructor" ) && !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) { return false; } } catch ( e ) {
// IE8,9 Will throw exceptions on certain host objects #9897 return false; }
// Support: IE<9 // Handle iteration over inherited properties before own properties. if ( !support.ownFirst ) { for ( key in obj ) { return hasOwn.call( obj, key ); } }
// Own properties are enumerated firstly, so to speed up, // if last one is own, then all properties are own. for ( key in obj ) {}
// Workarounds based on findings by Jim Driscoll // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context globalEval: function( data ) { if ( data && jQuery.trim( data ) ) {
// We use execScript on Internet Explorer // We use an anonymous function so that context is window // rather than jQuery in Firefox ( window.execScript || function( data ) { window[ "eval" ].call( window, data ); // jscs:ignore requireDotNotation } )( data ); } },
// Convert dashed to camelCase; used by the css and data modules // Microsoft forgot to hump their vendor prefix (#9572) camelCase: function( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); },
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, IE<9 trim: function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); },
// results is for internal usage only makeArray: function( arr, results ) { var ret = results || [];
// 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 args, proxy, 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; }
// 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: function() { return +( new Date() ); },
// 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 ] = deletedIds[ 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; },
// 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(); };
// 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 )) ) {
// 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( "," );
/** * 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;
/** * 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; }
// Check if getElementsByTagName("*") returns only elements support.getElementsByTagName = assert(function( div ) { div.appendChild( document.createComment("") ); return !div.getElementsByTagName("*").length; });
// Support: IE<10 // Check if getElementById returns elements by name // The broken getElementById methods don't pick up programatically-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"];
// 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 ); } }
// 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 + ")" ); }
// 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"); }
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(",.*:"); }); }
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("|") );
// 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; };
// 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] ) :
// 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) {} }
/** * 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
"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();
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 ] = {});
// 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 ] = {});
// 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 ) { return fn( elem, 0, args ); }; }
return fn; } },
pseudos: { // Potentially complex pseudos "not": markFunction(function( selector ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) );
return matcher[ expando ] ? markFunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length;
// Match elements unmatched by `matcher` while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); // Don't keep the element (issue #299) input[0] = null; return !results.pop(); }; }),
// "Whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier C, // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." // http://www.w3.org/TR/selectors/#lang-pseudo "lang": markFunction( function( lang ) { // lang value must be a valid identifier if ( !ridentifier.test(lang || "") ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
"checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked var nodeName = elem.nodeName.toLowerCase(); return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); },
"selected": function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly if ( elem.parentNode ) { elem.parentNode.selectedIndex; }
return elem.selected === true; },
// Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodeType < 6 works because attributes (2) do not appear as children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeType < 6 ) { return false; } } return true; },
"even": createPositionalPseudo(function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"odd": createPositionalPseudo(function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"lt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; }),
"gt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; }) } };
Expr.pseudos["nth"] = Expr.pseudos["eq"];
// Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); }
// Easy API for creating new setFilters function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters();
// Filters for ( type in Expr.filter ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match ))) ) { matched = match.shift(); tokens.push({ value: matched, type: type, matches: match }); soFar = soFar.slice( matched.length ); } }
if ( !matched ) { break; } }
// Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); };
function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; }
function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, checkNonElements = base && dir === "parentNode", doneName = done++;
return combinator.first ? // Check against closest ancestor/preceding element function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } } :
// Check against all ancestor/preceding elements function( elem, context, xml ) { var oldCache, uniqueCache, outerCache, newCache = [ dirruns, doneName ];
// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {});
// Assign to newCache so results back-propagate to previous elements return (newCache[ 2 ] = oldCache[ 2 ]); } else { // Reuse newcache so results back-propagate to previous elements uniqueCache[ dir ] = newCache;
// A match means we're done; a fail means we have to keep checking if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { return true; } } } } } }; }
function elementMatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[i]( elem, context, xml ) ) { return false; } } return true; } : matchers[0]; }
function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results ); } return results; }
function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null;
for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } }
// Get initial elements from seed or context elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
// Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems,
matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
// ...intermediate processing is necessary [] :
// ...otherwise use results directly results : matcherIn;
// Find primary matches if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); }
// Apply postFilter if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml );
// Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); } } }
if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) ) { // Restore matcherIn since elem is not yet a final match temp.push( (matcherIn[i] = elem) ); } } postFinder( null, (matcherOut = []), temp, xml ); }
// Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) && (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
seed[temp] = !(results[temp] = elem); } } }
// Add elements to results, through postFinder if defined } else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } }); }
function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[0].type ], implicitRelative = leadingRelative || Expr.relative[" "], i = leadingRelative ? 1 : 0,
// The foundational matcher ensures that elements are reachable from top-level context(s) matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( (checkContext = context).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); // Avoid hanging onto element (issue #299) checkContext = null; return ret; } ];
// Add elements passing elementMatchers directly to results // Support: IE<9, Safari // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; if ( !context && elem.ownerDocument !== document ) { setDocument( elem ); xml = !documentIsHTML; } while ( (matcher = elementMatchers[j++]) ) { if ( matcher( elem, context || document, xml) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; } }
// Track unmatched elements for set filters if ( bySet ) { // They will have gone through all possible matchers if ( (elem = !matcher && elem) ) { matchedCount--; }
// Lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } }
// `i` is now the count of elements visited above, and adding it to `matchedCount` // makes the latter nonnegative. matchedCount += i;
// Apply set filters to unmatched elements // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` // equals `i`), unless we didn't visit _any_ elements in the above loop because we have // no element matchers and no seed. // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that // case, which will result in a "00" `matchedCount` that differs from `i` but is also // numerically zero. if ( bySet && i !== matchedCount ) { j = 0; while ( (matcher = setMatchers[j++]) ) { matcher( unmatched, setMatched, context, xml ); }
if ( seed ) { // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setMatched[i]) ) { setMatched[i] = pop.call( results ); } } }
// Discard index placeholder values to get only actual matches setMatched = condense( setMatched ); }
// Add matches to results push.apply( results, setMatched );
compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ];
if ( !cached ) { // Generate a function of recursive functions that can be used to check each element if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherFromTokens( match[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } }
// Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
// Save selector and tokenization cached.selector = selector; } return cached; };
/** * A low-level selection function that works with Sizzle's compiled * selector functions * @param {String|Function} selector A selector or a pre-compiled * selector function built with Sizzle.compile * @param {Element} context * @param {Array} [results] * @param {Array} [seed] A set of elements to match against */ select = Sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( (selector = compiled.selector || selector) );
results = results || [];
// Try to minimize operations if there is only one selector in the list and no seed // (the latter of which guarantees us context) if ( match.length === 1 ) {
// Reduce context if the leading compound selector is an ID tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && support.getById && context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
// Fetch a seed set for right-to-left matching i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i];
// Abort if we hit a combinator if ( Expr.relative[ (type = token.type) ] ) { break; } if ( (find = Expr.find[ type ]) ) { // Search, expanding context for leading sibling combinators if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context )) ) {
// If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; }
break; } } } }
// Compile and execute a filtering function if one is not provided // Provide `match` to avoid retokenization if we modified the selector above ( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, !context || rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; };
var dir = function( elem, dir, until ) { var matched = [], truncate = until !== undefined;
while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { if ( elem.nodeType === 1 ) { if ( truncate && jQuery( elem ).is( until ) ) { break; } matched.push( elem ); } } return matched; };
var siblings = function( n, elem ) { var matched = [];
for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { matched.push( n ); } }
return matched; };
var rneedsContext = jQuery.expr.match.needsContext;
var rsingleTag = ( /^<([\w-]+)\s*\/?>(?:<\/\1>|)$/ );
var risSimple = /^.[^:#\[\.,]*$/;
// Implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { if ( jQuery.isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { /* jshint -W018 */ return !!qualifier.call( elem, i, elem ) !== not; } );
// If this is a positional/relative selector, check membership in the returned set // so $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedsContext.test( selector ) ? jQuery( selector ) : selector || [], false ).length; } } );
// Initialize a jQuery object
// A central reference to the root jQuery(document) var rootjQuery,
// A simple way to check for HTML strings // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) // Strict HTML recognition (#11290: must start with <) rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
// scripts is true for back-compat // Intentionally let the error be thrown if parseHTML is not present jQuery.merge( this, jQuery.parseHTML( match[ 1 ], context && context.nodeType ? context.ownerDocument || context : document, true ) );
// HANDLE: $(html, props) if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) {
// Properties of context are called as methods if possible if ( jQuery.isFunction( this[ match ] ) ) { this[ match ]( context[ match ] );
// ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } }
// Give the init function the jQuery prototype for later instantiation init.prototype = jQuery.fn;
// Initialize central reference rootjQuery = jQuery( document );
var rparentsprev = /^(?:parents|prev(?:Until|All))/,
// methods guaranteed to produce a unique set when starting from a unique set guaranteedUnique = { children: true, contents: true, next: true, prev: true };
jQuery.fn.extend( { has: function( target ) { var i, targets = jQuery( target, this ), len = targets.length;
return this.filter( function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( this, targets[ i ] ) ) { return true; } } } ); },
if ( selector && typeof selector === "string" ) { ret = jQuery.filter( selector, ret ); }
if ( this.length > 1 ) {
// Remove duplicates if ( !guaranteedUnique[ name ] ) { ret = jQuery.uniqueSort( ret ); }
// Reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { ret = ret.reverse(); } }
return this.pushStack( ret ); }; } ); var rnotwhite = ( /\S+/g );
// Convert String-formatted options into Object-formatted ones function createOptions( options ) { var object = {}; jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { object[ flag ] = true; } ); return object; }
/* * Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times. * * Possible options: * * once: will ensure the callback list can only be fired once (like a Deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a Deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stopOnFalse: interrupt callings when a callback returns false * */ jQuery.Callbacks = function( options ) {
// Convert options from String-formatted to Object-formatted if needed // (we check in cache first) options = typeof options === "string" ? createOptions( options ) : jQuery.extend( {}, options );
var // Flag to know if list is currently firing firing,
// Last fire value for non-forgettable lists memory,
// Flag to know if list was already fired fired,
// Flag to prevent firing locked,
// Actual callback list list = [],
// Queue of execution data for repeatable lists queue = [],
// Index of currently firing callback (modified by add/remove as needed) firingIndex = -1,
// Fire callbacks fire = function() {
// Enforce single-firing locked = options.once;
// Execute callbacks for all pending executions, // respecting firingIndex overrides and runtime changes fired = firing = true; for ( ; queue.length; firingIndex = -1 ) { memory = queue.shift(); while ( ++firingIndex < list.length ) {
// Run callback and check for early termination if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && options.stopOnFalse ) {
// Jump to end and forget the data so .add doesn't re-fire firingIndex = list.length; memory = false; } } }
// Forget the data if we're done with it if ( !options.memory ) { memory = false; }
firing = false;
// Clean up if we're done firing for good if ( locked ) {
// Keep an empty list if we have data for future add calls if ( memory ) { list = [];
// Otherwise, this object is spent } else { list = ""; } } },
// Actual Callbacks object self = {
// Add a callback or a collection of callbacks to the list add: function() { if ( list ) {
// If we have memory from a past run, we should fire after adding if ( memory && !firing ) { firingIndex = list.length - 1; queue.push( memory ); }
// Remove a callback from the list remove: function() { jQuery.each( arguments, function( _, arg ) { var index; while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 );
// Handle firing indexes if ( index <= firingIndex ) { firingIndex--; } } } ); return this; },
// Check if a given callback is in the list. // If no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : list.length > 0; },
// Remove all callbacks from the list empty: function() { if ( list ) { list = []; } return this; },
// Disable .fire and .add // Abort any current/pending executions // Clear all callbacks and values disable: function() { locked = queue = []; list = memory = ""; return this; }, disabled: function() { return !list; },
// Disable .fire // Also disable .add unless we have memory (since it would have no effect) // Abort any pending executions lock: function() { locked = true; if ( !memory ) { self.disable(); } return this; }, locked: function() { return !!locked; },
// Call all callbacks with the given context and arguments fireWith: function( context, args ) { if ( !locked ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; queue.push( args ); if ( !firing ) { fire(); } } return this; },
// Call all the callbacks with the given arguments fire: function() { self.fireWith( this, arguments ); return this; },
// To know if the callbacks have already been called at least once fired: function() { return !!fired; } };
// Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {};
// Keep pipe for back-compat promise.pipe = promise.then;
// Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 3 ];
// the master Deferred. // If resolveValues consist of only a single Deferred, just use that. deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
// Update function for both resolve and progress values updateFunc = function( i, contexts, values ) { return function( value ) { contexts[ i ] = this; values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( values === progressValues ) { deferred.notifyWith( contexts, values );
/** * The ready event handler and self cleanup method */ function completed() {
// readyState === "complete" is good enough for us to call the dom ready in oldIE if ( document.addEventListener || window.event.type === "load" || document.readyState === "complete" ) {
// Catch cases where $(document).ready() is called // after the browser event has already occurred. // Support: IE6-10 // Older IE sometimes signals "interactive" too soon if ( document.readyState === "complete" || ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
// Handle it asynchronously to allow scripts the opportunity to delay ready window.setTimeout( jQuery.ready );
// Standards-based browsers support DOMContentLoaded } else if ( document.addEventListener ) {
// Use the handy event callback document.addEventListener( "DOMContentLoaded", completed );
// A fallback to window.onload, that will always work window.addEventListener( "load", completed );
// If IE event model is used } else {
// Ensure firing before onload, maybe late but safe also for iframes document.attachEvent( "onreadystatechange", completed );
// A fallback to window.onload, that will always work window.attachEvent( "onload", completed );
// If IE and not a frame // continually check to see if the document is ready var top = false;
try { top = window.frameElement == null && document.documentElement; } catch ( e ) {}
if ( top && top.doScroll ) { ( function doScrollCheck() { if ( !jQuery.isReady ) {
try {
// Use the trick by Diego Perini // http://javascript.nwbox.com/IEContentLoaded/ top.doScroll( "left" ); } catch ( e ) { return window.setTimeout( doScrollCheck, 50 ); }
// detach all dom ready events detach();
// and execute any waiting functions jQuery.ready(); } } )(); } } } return readyList.promise( obj ); };
// Kick off the DOM ready check even if the user does not jQuery.ready.promise();
// Support: IE<9 // Iteration over object's inherited properties before its own var i; for ( i in jQuery( support ) ) { break; } support.ownFirst = i === "0";
// Note: most support tests are defined in their respective modules. // false until the test is run support.inlineBlockNeedsLayout = false;
// Execute ASAP in case we need to set body.style.zoom jQuery( function() {
// Minified: var a,b,c,d var val, div, body, container;
body = document.getElementsByTagName( "body" )[ 0 ]; if ( !body || !body.style ) {
// Return for frameset docs that don't have a body return; }
// Setup div = document.createElement( "div" ); container = document.createElement( "div" ); container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px"; body.appendChild( container ).appendChild( div );
if ( typeof div.style.zoom !== "undefined" ) {
// Support: IE<8 // Check if natively block-level elements act like inline-block // elements when setting their display to 'inline' and giving // them layout div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1";
support.inlineBlockNeedsLayout = val = div.offsetWidth === 3; if ( val ) {
// Prevent IE 6 from affecting layout for positioned elements #11048 // Prevent IE from shrinking the body in IE 7 mode #12869 // Support: IE<8 body.style.zoom = 1; } }
body.removeChild( container ); } );
( function() { var div = document.createElement( "div" );
// Null elements to avoid leaks in IE. div = null; } )(); var acceptData = function( elem ) { var noData = jQuery.noData[ ( elem.nodeName + " " ).toLowerCase() ], nodeType = +elem.nodeType || 1;
// Do not set data on non-element DOM nodes because it will not be cleared (#8335). return nodeType !== 1 && nodeType !== 9 ? false :
// Nodes accept data unless otherwise specified; rejection can be conditional !noData || noData !== true && elem.getAttribute( "classid" ) === noData; };
var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, rmultiDash = /([A-Z])/g;
function dataAttr( elem, key, data ) {
// If nothing was found internally, try to fetch any // data from the HTML5 data-* attribute if ( data === undefined && elem.nodeType === 1 ) {
var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
data = elem.getAttribute( name );
if ( typeof data === "string" ) { try { data = data === "true" ? true : data === "false" ? false : data === "null" ? null :
// Only convert to a number if it doesn't change the string +data + "" === data ? +data : rbrace.test( data ) ? jQuery.parseJSON( data ) : data; } catch ( e ) {}
// Make sure we set the data so it isn't changed later jQuery.data( elem, key, data );
} else { data = undefined; } }
return data; }
// checks a cache object for emptiness function isEmptyDataObject( obj ) { var name; for ( name in obj ) {
// if the public data object is empty, the private is still empty if ( name === "data" && jQuery.isEmptyObject( obj[ name ] ) ) { continue; } if ( name !== "toJSON" ) { return false; } }
return true; }
function internalData( elem, name, data, pvt /* Internal Use Only */ ) { if ( !acceptData( elem ) ) { return; }
var ret, thisCache, internalKey = jQuery.expando,
// We have to handle DOM nodes and JS objects differently because IE6-7 // can't GC object references properly across the DOM-JS boundary isNode = elem.nodeType,
// Only DOM nodes need the global jQuery cache; JS object data is // attached directly to the object so GC can occur automatically cache = isNode ? jQuery.cache : elem,
// Only defining an ID for JS objects if its cache already exists allows // the code to shortcut on the same path as a DOM node with no cache id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
// Avoid doing any more work than we need to when trying to get data on an // object that has no data at all if ( ( !id || !cache[ id ] || ( !pvt && !cache[ id ].data ) ) && data === undefined && typeof name === "string" ) { return; }
if ( !id ) {
// Only DOM nodes need a new unique ID for each element since their data // ends up in the global cache if ( isNode ) { id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++; } else { id = internalKey; } }
if ( !cache[ id ] ) {
// Avoid exposing jQuery metadata on plain JS objects when the object // is serialized using JSON.stringify cache[ id ] = isNode ? {} : { toJSON: jQuery.noop }; }
// An object can be passed to jQuery.data instead of a key/value pair; this gets // shallow copied over onto the existing cache if ( typeof name === "object" || typeof name === "function" ) { if ( pvt ) { cache[ id ] = jQuery.extend( cache[ id ], name ); } else { cache[ id ].data = jQuery.extend( cache[ id ].data, name ); } }
thisCache = cache[ id ];
// jQuery data() is stored in a separate object inside the object's internal data // cache in order to avoid key collisions between internal data and user-defined // data. if ( !pvt ) { if ( !thisCache.data ) { thisCache.data = {}; }
thisCache = thisCache.data; }
if ( data !== undefined ) { thisCache[ jQuery.camelCase( name ) ] = data; }
// Check for both converted-to-camel and non-converted data property names // If a data property was specified if ( typeof name === "string" ) {
// First Try to find as-is property data ret = thisCache[ name ];
// Test for null|undefined property data if ( ret == null ) {
// Try to find the camelCased property ret = thisCache[ jQuery.camelCase( name ) ]; } } else { ret = thisCache; }
return ret; }
function internalRemoveData( elem, name, pvt ) { if ( !acceptData( elem ) ) { return; }
var thisCache, i, isNode = elem.nodeType,
// See jQuery.data for more information cache = isNode ? jQuery.cache : elem, id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
// If there is already no cache entry for this object, there is no // purpose in continuing if ( !cache[ id ] ) { return; }
if ( name ) {
thisCache = pvt ? cache[ id ] : cache[ id ].data;
if ( thisCache ) {
// Support array or space separated string names for data keys if ( !jQuery.isArray( name ) ) {
// try the string as a key before any manipulation if ( name in thisCache ) { name = [ name ]; } else {
// split the camel cased version by spaces unless a key with the spaces exists name = jQuery.camelCase( name ); if ( name in thisCache ) { name = [ name ]; } else { name = name.split( " " ); } } } else {
// If "name" is an array of keys... // When data is initially created, via ("key", "val") signature, // keys will be converted to camelCase. // Since there is no way to tell _how_ a key was added, remove // both plain key and camelCase key. #12786 // This will only penalize the array argument path. name = name.concat( jQuery.map( name, jQuery.camelCase ) ); }
i = name.length; while ( i-- ) { delete thisCache[ name[ i ] ]; }
// If there is no data left in the cache, we want to continue // and let the cache object itself get destroyed if ( pvt ? !isEmptyDataObject( thisCache ) : !jQuery.isEmptyObject( thisCache ) ) { return; } } }
// See jQuery.data for more information if ( !pvt ) { delete cache[ id ].data;
// Don't destroy the parent cache unless the internal data object // had been the only thing left in it if ( !isEmptyDataObject( cache[ id ] ) ) { return; } }
// Destroy the cache if ( isNode ) { jQuery.cleanData( [ elem ], true );
// Use delete when supported for expandos or `cache` is not a window per isWindow (#10080) /* jshint eqeqeq: false */ } else if ( support.deleteExpando || cache != cache.window ) { /* jshint eqeqeq: true */ delete cache[ id ];
// When all else fails, undefined } else { cache[ id ] = undefined; } }
jQuery.extend( { cache: {},
// The following elements (space-suffixed to avoid Object.prototype collisions) // throw uncatchable exceptions if you attempt to set expando properties noData: { "applet ": true, "embed ": true,
// ...but Flash objects (which have this classid) *can* handle expandos "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" },
jQuery.extend( { queue: function( elem, type, data ) { var queue;
if ( elem ) { type = ( type || "fx" ) + "queue"; queue = jQuery._data( elem, type );
// Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || jQuery.isArray( data ) ) { queue = jQuery._data( elem, type, jQuery.makeArray( data ) ); } else { queue.push( data ); } } return queue || []; } },
dequeue: function( elem, type ) { type = type || "fx";
var queue = jQuery.queue( elem, type ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); };
// If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; }
if ( fn ) {
// Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); }
// clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); }
if ( !startLength && hooks ) { hooks.empty.fire(); } },
// not intended for public consumption - generates a queueHooks object, // or returns the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; return jQuery._data( elem, key ) || jQuery._data( elem, key, { empty: jQuery.Callbacks( "once memory" ).add( function() { jQuery._removeData( elem, type + "queue" ); jQuery._removeData( elem, key ); } ) } ); } } );
jQuery.fn.extend( { queue: function( type, data ) { var setter = 2;
if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; }
if ( arguments.length < setter ) { return jQuery.queue( this[ 0 ], type ); }
return data === undefined ? this : this.each( function() { var queue = jQuery.queue( this, type, data );
// ensure a hooks for this queue jQuery._queueHooks( this, type );
if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { jQuery.dequeue( this, type ); } } ); }, dequeue: function( type ) { return this.each( function() { jQuery.dequeue( this, type ); } ); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); },
// Get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, obj ) { var tmp, count = 1, defer = jQuery.Deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolveWith( elements, [ elements ] ); } };
if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx";
while ( i-- ) { tmp = jQuery._data( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } } );
} )(); var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
var isHidden = function( elem, el ) {
// isHidden might be called from jQuery#filter function; // in that case, element will be second argument elem = el || elem; return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem ); };
// Starting value computation is required for potential unit mismatches initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && rcssNum.exec( jQuery.css( elem, prop ) );
if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
// Trust units reported by jQuery.css unit = unit || initialInUnit[ 3 ];
// Make sure we update the tween properties later on valueParts = valueParts || [];
// Iteratively approximate from a nonzero starting point initialInUnit = +initial || 1;
do {
// If previous iteration zeroed out, double until we get *something*. // Use string for doubling so we don't accidentally see scale as unchanged below scale = scale || ".5";
// Adjust and apply initialInUnit = initialInUnit / scale; jQuery.style( elem, prop, initialInUnit + unit );
// Update scale, tolerating zero or NaN from tween.cur() // Break the loop if scale is unchanged or perfect, or if we've just had enough. } while ( scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations ); }
// Multifunctional method to get and set values of a collection // The value/s can optionally be executed if it's a function var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { var i = 0, length = elems.length, bulk = key == null;
// Sets many values if ( jQuery.type( key ) === "object" ) { chainable = true; for ( i in key ) { access( elems, fn, i, key[ i ], true, emptyGet, raw ); }
// Sets one value } else if ( value !== undefined ) { chainable = true;
if ( !jQuery.isFunction( value ) ) { raw = true; }
if ( bulk ) {
// Bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null;
// ...except when executing function values } else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jQuery( elem ), value ); }; } }
if ( fn ) { for ( ; i < length; i++ ) { fn( elems[ i ], key, raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) ) ); } } }
// IE strips leading whitespace when .innerHTML is used support.leadingWhitespace = div.firstChild.nodeType === 3;
// Make sure that tbody elements aren't automatically inserted // IE will insert them into empty tables support.tbody = !div.getElementsByTagName( "tbody" ).length;
// Make sure that link elements get serialized correctly by innerHTML // This requires a wrapper element in IE support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
// Makes sure cloning an html5 element does not cause problems // Where outerHTML is undefined, this still works support.html5Clone = document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
// Check if a disconnected checkbox will retain its checked // value of true after appended to the DOM (IE6/7) input.type = "checkbox"; input.checked = true; fragment.appendChild( input ); support.appendChecked = input.checked;
// #11217 - WebKit loses check when the name is after the checked attribute fragment.appendChild( div );
// Support: Windows Web Apps (WWA) // `name` and `type` must use .setAttribute for WWA (#14901) input = document.createElement( "input" ); input.setAttribute( "type", "radio" ); input.setAttribute( "checked", "checked" ); input.setAttribute( "name", "t" );
div.appendChild( input );
// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3 // old WebKit doesn't clone checked state correctly in fragments support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
// Support: IE<9 // Cloned elements keep attachEvent handlers, we use addEventListener on IE9+ support.noCloneEvent = !!div.addEventListener;
// Support: IE<9 // Since attributes and properties are the same in IE, // cleanData must set properties to undefined rather than use removeAttribute div[ jQuery.expando ] = 1; support.attributes = !div.getAttribute( jQuery.expando ); } )();
// We have to close these tags to support XHTML (#13200) var wrapMap = { option: [ 1, "<select multiple='multiple'>", "</select>" ], legend: [ 1, "<fieldset>", "</fieldset>" ], area: [ 1, "<map>", "</map>" ],
// IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags, // unless wrapped in a div with non-breaking characters in front of it. _default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>" ] };
function getAll( context, tag ) { var elems, elem, i = 0, found = typeof context.getElementsByTagName !== "undefined" ? context.getElementsByTagName( tag || "*" ) : typeof context.querySelectorAll !== "undefined" ? context.querySelectorAll( tag || "*" ) : undefined;
if ( !found ) { for ( found = [], elems = context.childNodes || context; ( elem = elems[ i ] ) != null; i++ ) { if ( !tag || jQuery.nodeName( elem, tag ) ) { found.push( elem ); } else { jQuery.merge( found, getAll( elem, tag ) ); } } }
return tag === undefined || tag && jQuery.nodeName( context, tag ) ? jQuery.merge( [ context ], found ) : found; }
// Mark scripts as having already been evaluated function setGlobalEval( elems, refElements ) { var elem, i = 0; for ( ; ( elem = elems[ i ] ) != null; i++ ) { jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[ i ], "globalEval" ) ); } }
var rhtml = /<|&#?\w+;/, rtbody = /<tbody/i;
function fixDefaultChecked( elem ) { if ( rcheckableType.test( elem.type ) ) { elem.defaultChecked = elem.checked; } }
function buildFragment( elems, context, scripts, selection, ignored ) { var j, elem, contains, tmp, tag, tbody, wrap, l = elems.length,
// Ensure a safe fragment safe = createSafeFragment( context ),
// Fix #12392 for WebKit and IE > 9 tmp.textContent = "";
// Fix #12392 for oldIE while ( tmp.firstChild ) { tmp.removeChild( tmp.firstChild ); }
// Remember the top-level container for proper cleanup tmp = safe.lastChild; } } }
// Fix #11356: Clear elements from fragment if ( tmp ) { safe.removeChild( tmp ); }
// Reset defaultChecked for any radios and checkboxes // about to be appended to the DOM in IE 6/7 (#8060) if ( !support.appendChecked ) { jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked ); }
i = 0; while ( ( elem = nodes[ i++ ] ) ) {
// Skip elements already in the context collection (trac-4087) if ( selection && jQuery.inArray( elem, selection ) > -1 ) { if ( ignored ) { ignored.push( elem ); }
// Support: IE9 // See #13393 for more info function safeActiveElement() { try { return document.activeElement; } catch ( err ) { } }
function on( elem, types, selector, data, fn, one ) { var origFn, type;
// Types can be a map of types/handlers if ( typeof types === "object" ) {
// ( types-Object, selector, data ) if ( typeof selector !== "string" ) {
// ( types-Object, data ) data = data || selector; selector = undefined; } for ( type in types ) { on( elem, type, selector, data, types[ type ], one ); } return elem; }
if ( data == null && fn == null ) {
// ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) {
if ( one === 1 ) { origFn = fn; fn = function( event ) {
// Can use an empty set, since event contains the info jQuery().off( event ); return origFn.apply( this, arguments ); };
// Use same guid so caller can remove using origFn fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return elem.each( function() { jQuery.event.add( this, types, fn, data, selector ); } ); }
/* * Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */ jQuery.event = {
// Don't attach events to noData or text/comment nodes (but allow plain objects) if ( !elemData ) { return; }
// Caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; }
// Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; }
// Init the element's event structure and main handler, if this is the first if ( !( events = elemData.events ) ) { events = elemData.events = {}; } if ( !( eventHandle = elemData.handle ) ) { eventHandle = elemData.handle = function( e ) {
// Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded return typeof jQuery !== "undefined" && ( !e || jQuery.event.triggered !== e.type ) ? jQuery.event.dispatch.apply( eventHandle.elem, arguments ) : undefined; };
// Add elem as a property of the handle fn to prevent a memory leak // with IE non-native events eventHandle.elem = elem; }
// Handle multiple events separated by a space types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
// There *must* be a type, no attaching namespace-only handlers if ( !type ) { continue; }
// If event changes its type, use the special event handlers for the changed type special = jQuery.event.special[ type ] || {};
// If selector defined, determine special event api type, otherwise given type type = ( selector ? special.delegateType : special.bindType ) || type;
// Update special based on newly reset type special = jQuery.event.special[ type ] || {};
// Init the event handler queue if we're the first if ( !( handlers = events[ type ] ) ) { handlers = events[ type ] = []; handlers.delegateCount = 0;
// Only use addEventListener/attachEvent if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
// Bind the global event handler to the element if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle, false );
// Once for each type.namespace in types; type may be omitted types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
// Unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; }
special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[ 2 ] && new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } }
// Remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
// Don't do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; }
// focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; }
if ( type.indexOf( "." ) > -1 ) {
// Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split( "." ); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf( ":" ) < 0 && "on" + type;
// Caller can pass in a jQuery.Event object, Object, or just an event type string event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event );
// Clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; }
// Clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] );
// Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; }
// Determine event propagation path in advance, per W3C events spec (#9951) // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; }
// Only add window if we got to document (e.g., not plain obj or detached DOM) if ( tmp === ( elem.ownerDocument || document ) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } }
// Fire handlers on the event path i = 0; while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
// If nobody prevented the default action, do it now if ( !onlyHandlers && !event.isDefaultPrevented() ) {
if ( ( !special._default || special._default.apply( eventPath.pop(), data ) === false ) && acceptData( elem ) ) {
// Call a native DOM method on the target with the same name name as the event. // Can't use an .isFunction() check here because IE6/7 fails that test. // Don't do default actions on window, that's where global variables be (#6170) if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
// Don't re-trigger an onFOO event when we call its FOO() method tmp = elem[ ontype ];
if ( tmp ) { elem[ ontype ] = null; }
// Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; try { elem[ type ](); } catch ( e ) {
// IE<9 dies on focus/blur to hidden element (#1486,#12518) // only reproducible on winXP IE8 native, not IE9 in IE8 mode } jQuery.event.triggered = undefined;
if ( tmp ) { elem[ ontype ] = tmp; } } } }
return event.result; },
dispatch: function( event ) {
// Make a writable jQuery.Event from the native event object event = jQuery.event.fix( event );
// Use the fix-ed jQuery.Event rather than the (read-only) native event args[ 0 ] = event; event.delegateTarget = this;
// Call the preDispatch hook for the mapped type, and let it bail if desired if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; }
// Run delegates first; they may want to stop propagation beneath us i = 0; while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem;
// Triggered event must either 1) have no namespace, or 2) have namespace(s) // a subset or equal to those in the bound event (both can have no namespace). if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
// Create a writable copy of the event object and normalize some properties var i, prop, copy, type = event.type, originalEvent = event, fixHook = this.fixHooks[ type ];
if ( !fixHook ) { this.fixHooks[ type ] = fixHook = rmouseEvent.test( type ) ? this.mouseHooks : rkeyEvent.test( type ) ? this.keyHooks : {}; } copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
event = new jQuery.Event( originalEvent );
i = copy.length; while ( i-- ) { prop = copy[ i ]; event[ prop ] = originalEvent[ prop ]; }
// Support: Safari 6-8+ // Target should not be a text node (#504, #13143) if ( event.target.nodeType === 3 ) { event.target = event.target.parentNode; }
// Support: IE<9 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328) event.metaKey = !!event.metaKey;
// Add which for click: 1 === left; 2 === middle; 3 === right // Note: button is not normalized, so don't use it if ( !event.which && button !== undefined ) { event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); }
return event; } },
special: { load: {
// Prevent triggered image.load events from bubbling to window.load noBubble: true }, focus: {
// Fire native event if possible so blur/focus sequence is correct trigger: function() { if ( this !== safeActiveElement() && this.focus ) { try { this.focus(); return false; } catch ( e ) {
// Support: IE<9 // If we error on focus to hidden element (#1486, #12518), // let .trigger() run the handlers } } }, delegateType: "focusin" }, blur: { trigger: function() { if ( this === safeActiveElement() && this.blur ) { this.blur(); return false; } }, delegateType: "focusout" }, click: {
// For checkbox, fire native event so checked state will be right trigger: function() { if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) { this.click(); return false; } },
// For cross-browser consistency, don't fire native .click() on links _default: function( event ) { return jQuery.nodeName( event.target, "a" ); } },
beforeunload: { postDispatch: function( event ) {
// Support: Firefox 20+ // Firefox doesn't alert if the returnValue field is not set. if ( event.result !== undefined && event.originalEvent ) { event.originalEvent.returnValue = event.result; } } } },
// Piggyback on a donor event to simulate a different one simulate: function( type, elem, event ) { var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true
// Previously, `originalEvent: {}` was set here, so stopPropagation call // would not be triggered on donor event, since in our own // jQuery.event.stopPropagation function we had a check for existence of // originalEvent.stopPropagation method, so, consequently it would be a noop. // // Guard for simulated events was moved to jQuery.event.stopPropagation function // since `originalEvent` should point to the original event for the // constancy with other events and for more focused logic } );
jQuery.event.trigger( e, null, elem );
if ( e.isDefaultPrevented() ) { event.preventDefault(); } } };
// This "if" is needed for plain objects if ( elem.removeEventListener ) { elem.removeEventListener( type, handle ); } } : function( elem, type, handle ) { var name = "on" + type;
if ( elem.detachEvent ) {
// #8545, #7054, preventing memory leaks for custom events in IE6-8 // detachEvent needed property on element, by name of that event, // to properly expose it to GC if ( typeof elem[ name ] === "undefined" ) { elem[ name ] = null; }
elem.detachEvent( name, handle ); } };
jQuery.Event = function( src, props ) {
// Allow instantiation without the 'new' keyword if ( !( this instanceof jQuery.Event ) ) { return new jQuery.Event( src, props ); }
// Events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined &&
// Put explicitly provided properties onto the event object if ( props ) { jQuery.extend( this, props ); }
// Create a timestamp if incoming event doesn't have one this.timeStamp = src && src.timeStamp || jQuery.now();
// Mark it as fixed this[ jQuery.expando ] = true; };
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { constructor: jQuery.Event, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse,
preventDefault: function() { var e = this.originalEvent;
this.isDefaultPrevented = returnTrue; if ( !e ) { return; }
// If preventDefault exists, run it on the original event if ( e.preventDefault ) { e.preventDefault();
// Support: IE // Otherwise set the returnValue property of the original event to false } else { e.returnValue = false; } }, stopPropagation: function() { var e = this.originalEvent;
this.isPropagationStopped = returnTrue;
if ( !e || this.isSimulated ) { return; }
// If stopPropagation exists, run it on the original event if ( e.stopPropagation ) { e.stopPropagation(); }
// Support: IE // Set the cancelBubble property of the original event to true e.cancelBubble = true; }, stopImmediatePropagation: function() { var e = this.originalEvent;
this.isImmediatePropagationStopped = returnTrue;
if ( e && e.stopImmediatePropagation ) { e.stopImmediatePropagation(); }
this.stopPropagation(); } };
// Create mouseenter/leave events using mouseover/out and event-time checks // so that event delegation works in jQuery. // Do the same for pointerenter/pointerleave and pointerover/pointerout // // Support: Safari 7 only // Safari sends mouseenter too often; see: // https://code.google.com/p/chromium/issues/detail?id=470258 // for the description of the bug (it existed in older Chrome versions as well). jQuery.each( { mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix,
handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj;
// For mouseenter/leave call the handler if related is outside the target. // NB: No relatedTarget if the mouse left/entered the browser window if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { event.type = handleObj.origType; ret = handleObj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; } );
// Only need this for delegated form submit events if ( jQuery.nodeName( this, "form" ) ) { return false; }
// Lazy-add a submit handler when a descendant form may potentially be submitted jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
// Node name check avoids a VML-related crash in IE (#9807) var elem = e.target, form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ?
// Support: IE <=8 // We use jQuery.prop instead of elem.form // to allow fixing the IE8 delegated submit issue (gh-2332) // by 3rd party polyfills/workarounds. jQuery.prop( elem, "form" ) : undefined;
// return undefined since we don't need an event listener },
postDispatch: function( event ) {
// If form was submitted by the user, bubble the event up the tree if ( event._submitBubble ) { delete event._submitBubble; if ( this.parentNode && !event.isTrigger ) { jQuery.event.simulate( "submit", this.parentNode, event ); } } },
teardown: function() {
// Only need this for delegated form submit events if ( jQuery.nodeName( this, "form" ) ) { return false; }
// IE change delegation and checkbox/radio fix if ( !support.change ) {
jQuery.event.special.change = {
setup: function() {
if ( rformElems.test( this.nodeName ) ) {
// IE doesn't fire change on a check/radio until blur; trigger it on click // after a propertychange. Eat the blur-change in special.change.handle. // This still fires onchange a second time for check/radio after blur. if ( this.type === "checkbox" || this.type === "radio" ) { jQuery.event.add( this, "propertychange._change", function( event ) { if ( event.originalEvent.propertyName === "checked" ) { this._justChanged = true; } } ); jQuery.event.add( this, "click._change", function( event ) { if ( this._justChanged && !event.isTrigger ) { this._justChanged = false; }
// Support: Firefox // Firefox doesn't have focus(in | out) events // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 // // Support: Chrome, Safari // focus(in | out) events fire after focus & blur events, // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order // Related ticket - https://code.google.com/p/chromium/issues/detail?id=449857 if ( !support.focusin ) { jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
// Attach a single capturing handler on the document while someone wants focusin/focusout var handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); };
trigger: function( type, data ) { return this.each( function() { jQuery.event.trigger( type, data, this ); } ); }, triggerHandler: function( type, data ) { var elem = this[ 0 ]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } } );
var rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g, rnoshimcache = new RegExp( "<(?:" + nodeNames + ")[\\s/>]", "i" ), rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:-]+)[^>]*)\/>/gi,
// Support: IE 10-11, Edge 10240+ // In IE/Edge using regex groups here causes severe slowdowns. // See https://connect.microsoft.com/IE/feedback/details/1736512/ rnoInnerhtml = /<script|<style|<link/i,
// Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { elem.type = ( jQuery.find.attr( elem, "type" ) !== null ) + "/" + elem.type; return elem; } function restoreScript( elem ) { var match = rscriptTypeMasked.exec( elem.type ); if ( match ) { elem.type = match[ 1 ]; } else { elem.removeAttribute( "type" ); } return elem; }
function cloneCopyEvent( src, dest ) { if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) { return; }
var type, i, l, oldData = jQuery._data( src ), curData = jQuery._data( dest, oldData ), events = oldData.events;
if ( events ) { delete curData.handle; curData.events = {};
for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } }
// make the cloned public data object a copy from the original if ( curData.data ) { curData.data = jQuery.extend( {}, curData.data ); } }
function fixCloneNodeIssues( src, dest ) { var nodeName, e, data;
// We do not need to do anything for non-Elements if ( dest.nodeType !== 1 ) { return; }
nodeName = dest.nodeName.toLowerCase();
// IE6-8 copies events bound via attachEvent when using cloneNode. if ( !support.noCloneEvent && dest[ jQuery.expando ] ) { data = jQuery._data( dest );
for ( e in data.events ) { jQuery.removeEvent( dest, e, data.handle ); }
// Event data gets referenced instead of copied if the expando gets copied too dest.removeAttribute( jQuery.expando ); }
// IE blanks contents when cloning scripts, and tries to evaluate newly-set text if ( nodeName === "script" && dest.text !== src.text ) { disableScript( dest ).text = src.text; restoreScript( dest );
// IE6-10 improperly clones children of object elements using classid. // IE10 throws NoModificationAllowedError if parent is null, #12132. } else if ( nodeName === "object" ) { if ( dest.parentNode ) { dest.outerHTML = src.outerHTML; }
// This path appears unavoidable for IE9. When cloning an object // element in IE9, the outerHTML strategy above is not sufficient. // If the src has innerHTML and the destination does not, // copy the src.innerHTML into the dest.innerHTML. #10324 if ( support.html5Clone && ( src.innerHTML && !jQuery.trim( dest.innerHTML ) ) ) { dest.innerHTML = src.innerHTML; }
// IE6-8 fails to persist the checked state of a cloned checkbox // or radio button. Worse, IE6-7 fail to give the cloned element // a checked appearance if the defaultChecked value isn't also set
dest.defaultChecked = dest.checked = src.checked;
// IE6-7 get confused and end up setting the value of a cloned // checkbox/radio button to an empty string instead of "on" if ( dest.value !== src.value ) { dest.value = src.value; }
// IE6-8 fails to return the selected option to the default selected // state when cloning options } else if ( nodeName === "option" ) { dest.defaultSelected = dest.selected = src.defaultSelected;
// IE6-8 fails to set the defaultValue to the correct value when // cloning other types of input fields } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } }
function domManip( collection, args, callback, ignored ) {
var first, node, hasScripts, scripts, doc, fragment, i = 0, l = collection.length, iNoClone = l - 1, value = args[ 0 ], isFunction = jQuery.isFunction( value );
// We can't cloneNode fragments that contain checked, in WebKit if ( isFunction || ( l > 1 && typeof value === "string" && !support.checkClone && rchecked.test( value ) ) ) { return collection.each( function( index ) { var self = collection.eq( index ); if ( isFunction ) { args[ 0 ] = value.call( this, index, self.html() ); } domManip( self, args, callback, ignored ); } ); }
if ( l ) { fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); first = fragment.firstChild;
if ( fragment.childNodes.length === 1 ) { fragment = first; }
// Require either new content or an interest in ignored elements to invoke the callback if ( first || ignored ) { scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); hasScripts = scripts.length;
// Use the original fragment for the last item // instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). for ( ; i < l; i++ ) { node = fragment;
if ( i !== iNoClone ) { node = jQuery.clone( node, true, true );
// Keep references to cloned scripts for later restoration if ( hasScripts ) {
// Support: Android<4.1, PhantomJS<2 // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( scripts, getAll( node, "script" ) ); } }
// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem );
// Fix all IE cloning issues for ( i = 0; ( node = srcElements[ i ] ) != null; ++i ) {
// Ensure that the destination node is not null; Fixes #9587 if ( destElements[ i ] ) { fixCloneNodeIssues( node, destElements[ i ] ); } } }
// Copy the events from the original to the clone if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone );
for ( i = 0; ( node = srcElements[ i ] ) != null; i++ ) { cloneCopyEvent( node, destElements[ i ] ); } } else { cloneCopyEvent( elem, clone ); } }
cleanData: function( elems, /* internal */ forceAcceptData ) { var elem, type, id, data, i = 0, internalKey = jQuery.expando, cache = jQuery.cache, attributes = support.attributes, special = jQuery.event.special;
for ( ; ( elem = elems[ i ] ) != null; i++ ) { if ( forceAcceptData || acceptData( elem ) ) {
id = elem[ internalKey ]; data = id && cache[ id ];
if ( data ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { jQuery.event.remove( elem, type );
// This is a shortcut to avoid jQuery.event.remove's overhead } else { jQuery.removeEvent( elem, type, data.handle ); } } }
// Remove cache only if it was not already removed by jQuery.event.remove if ( cache[ id ] ) {
delete cache[ id ];
// Support: IE<9 // IE does not allow us to delete expando properties from nodes // IE creates expando attributes along with the property // IE does not have a removeAttribute function on Document nodes if ( !attributes && typeof elem.removeAttribute !== "undefined" ) { elem.removeAttribute( internalKey );
// Webkit & Blink performance suffers when deleting properties // from DOM nodes, so set to undefined instead // https://code.google.com/p/chromium/issues/detail?id=378607 } else { elem[ internalKey ] = undefined; }
deletedIds.push( id ); } } } } } } );
jQuery.fn.extend( {
// Keep domManip exposed until 3.0 (gh-2225) domManip: domManip,
// Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); }
// Remove any remaining nodes while ( elem.firstChild ) { elem.removeChild( elem.firstChild ); }
// If this is a select, ensure that it displays empty (#12336) // Support: IE<9 if ( elem.options && jQuery.nodeName( elem, "select" ) ) { elem.options.length = 0; } }
html: function( value ) { return access( this, function( value ) { var elem = this[ 0 ] || {}, i = 0, l = this.length;
if ( value === undefined ) { return elem.nodeType === 1 ? elem.innerHTML.replace( rinlinejQuery, "" ) : undefined; }
// See if we can take a shortcut and just use innerHTML if ( typeof value === "string" && !rnoInnerhtml.test( value ) && ( support.htmlSerialize || !rnoshimcache.test( value ) ) && ( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) && !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
value = jQuery.htmlPrefilter( value );
try { for ( ; i < l; i++ ) {
// Remove element nodes and prevent memory leaks elem = this[ i ] || {}; if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); elem.innerHTML = value; } }
elem = 0;
// If using innerHTML throws an exception, use the fallback method } catch ( e ) {} }
if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); },
replaceWith: function() { var ignored = [];
// Make the changes, replacing each non-ignored context element with the new content return domManip( this, arguments, function( elem ) { var parent = this.parentNode;
if ( jQuery.inArray( this, ignored ) < 0 ) { jQuery.cleanData( getAll( this ) ); if ( parent ) { parent.replaceChild( elem, this ); } }
// Force callback invocation }, ignored ); } } );
jQuery.each( { appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, i = 0, ret = [], insert = jQuery( selector ), last = insert.length - 1;
for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jQuery( insert[ i ] )[ original ]( elems );
// Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get() push.apply( ret, elems.get() ); }
return this.pushStack( ret ); }; } );
var iframe, elemdisplay = {
// Support: Firefox // We have to pre-define these values for FF (#10227) HTML: "block", BODY: "block" };
/** * Retrieve the actual display of a element * @param {String} name nodeName of the element * @param {Object} doc Document object */
// Called only from within defaultDisplay function actualDisplay( name, doc ) { var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
display = jQuery.css( elem[ 0 ], "display" );
// We don't have any data stored on the element, // so use "detach" method as fast way to get rid of the element elem.detach();
return display; }
/** * Try to determine the default display value of an element * @param {String} nodeName */ function defaultDisplay( nodeName ) { var doc = document, display = elemdisplay[ nodeName ];
// If the simple way fails, read from inside an iframe if ( display === "none" || !display ) {
// Use the already-created iframe if possible iframe = ( iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" ) ) .appendTo( doc.documentElement );
// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse doc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
// Store the correct default display elemdisplay[ nodeName ] = display; }
return display; } var rmargin = ( /^margin/ );
var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
var swap = function( elem, options, callback, args ) { var ret, name, old = {};
// Remember the old values, and insert the new ones for ( name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; }
ret = callback.apply( elem, args || [] );
// Revert the old values for ( name in options ) { elem.style[ name ] = old[ name ]; }
return ret; };
var documentElement = document.documentElement;
( function() { var pixelPositionVal, pixelMarginRightVal, boxSizingReliableVal, reliableHiddenOffsetsVal, reliableMarginRightVal, reliableMarginLeftVal, container = document.createElement( "div" ), div = document.createElement( "div" );
// Finish early in limited (non-browser) environments if ( !div.style ) { return; }
div.style.cssText = "float:left;opacity:.5";
// Support: IE<9 // Make sure that element opacity exists (as opposed to filter) support.opacity = div.style.opacity === "0.5";
// Verify style float existence // (IE uses styleFloat instead of cssFloat) support.cssFloat = !!div.style.cssFloat;
// We're checking for pixelPositionVal here instead of boxSizingReliableVal // since that compresses better and they're computed together anyway. if ( pixelPositionVal == null ) { computeStyleTests(); } return boxSizingReliableVal; },
// Support: IE<9 // Assume reasonable values in the absence of getComputedStyle pixelPositionVal = boxSizingReliableVal = reliableMarginLeftVal = false; pixelMarginRightVal = reliableMarginRightVal = true;
// Check for getComputedStyle so that this code is not run in IE<9. if ( window.getComputedStyle ) { divStyle = window.getComputedStyle( div ); pixelPositionVal = ( divStyle || {} ).top !== "1%"; reliableMarginLeftVal = ( divStyle || {} ).marginLeft === "2px"; boxSizingReliableVal = ( divStyle || { width: "4px" } ).width === "4px";
// Support: Android 4.0 - 4.3 only // Some styles come back with percentage values, even though they shouldn't div.style.marginRight = "50%"; pixelMarginRightVal = ( divStyle || { marginRight: "4px" } ).marginRight === "4px";
// Support: Android 2.3 only // Div with explicit width and no margin-right incorrectly // gets computed margin-right based on width of container (#3333) // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right contents = div.appendChild( document.createElement( "div" ) );
// Support: IE6-8 // First check that getClientRects works as expected // Check if table cells still have offsetWidth/Height when they are set // to display:none and there are still other visible table cells in a // table row; if so, offsetWidth/Height are not reliable for use when // determining if an element has been hidden directly using // display:none (it is still safe to use offsets if a parent element is // hidden; don safety goggles and see bug #4512 for more information). div.style.display = "none"; reliableHiddenOffsetsVal = div.getClientRects().length === 0; if ( reliableHiddenOffsetsVal ) { div.style.display = ""; div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>"; div.childNodes[ 0 ].style.borderCollapse = "separate"; contents = div.getElementsByTagName( "td" ); contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none"; reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0; if ( reliableHiddenOffsetsVal ) { contents[ 0 ].style.display = ""; contents[ 1 ].style.display = "none"; reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0; } }
// Support: IE<=11+, Firefox<=30+ (#15098, #14150) // IE throws on elements created in popups // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" var view = elem.ownerDocument.defaultView;
// getPropertyValue is only needed for .css('filter') in IE9, see #12537 ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
// Support: Opera 12.1x only // Fall back to style even without computed // computed is undefined for elems on document fragments if ( ( ret === "" || ret === undefined ) && !jQuery.contains( elem.ownerDocument, elem ) ) { ret = jQuery.style( elem, name ); }
if ( computed ) {
// A tribute to the "awesome hack by Dean Edwards" // Chrome < 17 and Safari 5.0 uses "computed value" // instead of "used value" for margin-right // Safari 5.1.7 (at least) returns percentage for a larger set of values, // but width seems to be reliably pixels // this is against the CSSOM draft spec: // http://dev.w3.org/csswg/cssom/#resolved-values if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
// Remember the original values width = style.width; minWidth = style.minWidth; maxWidth = style.maxWidth;
// Put in the new values to get a computed value out style.minWidth = style.maxWidth = style.width = ret; ret = computed.width;
computed = computed || getStyles( elem ); ret = computed ? computed[ name ] : undefined;
// Avoid setting ret to empty string here // so we don't default to auto if ( ret == null && style && style[ name ] ) { ret = style[ name ]; }
// From the awesome hack by Dean Edwards // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
// If we're not dealing with a regular pixel number // but a number that has a weird ending, we need to convert it to pixels // but not position css attributes, as those are // proportional to the parent element instead // and we can't measure the parent instead because it // might trigger a "stacking dolls" problem if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
// Remember the original values left = style.left; rs = elem.runtimeStyle; rsLeft = rs && rs.left;
// Put in the new values to get a computed value out if ( rsLeft ) { rs.left = elem.currentStyle.left; } style.left = name === "fontSize" ? "1em" : ret; ret = style.pixelLeft + "px";
// Revert the changed values style.left = left; if ( rsLeft ) { rs.left = rsLeft; } }
// Support: IE // IE returns zIndex value as an integer. return ret === undefined ? ret : ret + "" || "auto"; }; }
function addGetHookIf( conditionFn, hookFn ) {
// Define the hook, we'll check on the first run if it's really needed. return { get: function() { if ( conditionFn() ) {
// Hook not needed (or it's not possible to use it due // to missing dependency), remove it. delete this.get; return; }
// Hook needed; redefine it so that the support test is not executed again. return ( this.get = hookFn ).apply( this, arguments ); } }; }
// swappable if display is none or starts with table except // "table", "table-cell", or "table-caption" // see here for display values: // https://developer.mozilla.org/en-US/docs/CSS/display rdisplayswap = /^(none|table(?!-c[ea]).+)/, rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
// return a css property mapped to a potentially vendor prefixed property function vendorPropName( name ) {
// shortcut for names that are not vendor prefixed if ( name in emptyStyle ) { return name; }
// check for vendor prefixed names var capName = name.charAt( 0 ).toUpperCase() + name.slice( 1 ), i = cssPrefixes.length;
while ( i-- ) { name = cssPrefixes[ i ] + capName; if ( name in emptyStyle ) { return name; } } }
function showHide( elements, show ) { var display, elem, hidden, values = [], index = 0, length = elements.length;
for ( ; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; }
values[ index ] = jQuery._data( elem, "olddisplay" ); display = elem.style.display; if ( show ) {
// Reset the inline display of this element to learn if it is // being hidden by cascaded rules or not if ( !values[ index ] && display === "none" ) { elem.style.display = ""; }
// Set elements which have been overridden with display: none // in a stylesheet to whatever the default browser style is // for such an element if ( elem.style.display === "" && isHidden( elem ) ) { values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay( elem.nodeName ) ); } } else { hidden = isHidden( elem );
// Set the display of most of the elements in a second loop // to avoid the constant reflow for ( index = 0; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; } if ( !show || elem.style.display === "none" || elem.style.display === "" ) { elem.style.display = show ? values[ index ] || "" : "none"; } }
return elements; }
function setPositiveNumber( elem, value, subtract ) { var matches = rnumsplit.exec( value ); return matches ?
// Guard against undefined "subtract", e.g., when used as in cssHooks Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) : value; }
function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) { var i = extra === ( isBorderBox ? "border" : "content" ) ?
// If we already have the right measurement, avoid augmentation 4 :
// Otherwise initialize for horizontal or vertical properties name === "width" ? 1 : 0,
val = 0;
for ( ; i < 4; i += 2 ) {
// both box models exclude margin, so add it if we want it if ( extra === "margin" ) { val += jQuery.css( elem, extra + cssExpand[ i ], true, styles ); }
if ( isBorderBox ) {
// border-box includes padding, so remove it if we want content if ( extra === "content" ) { val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); }
// at this point, extra isn't border nor margin, so remove border if ( extra !== "margin" ) { val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } else {
// at this point, extra isn't content, so add padding val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
// at this point, extra isn't content nor padding, so add border if ( extra !== "padding" ) { val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } }
return val; }
function getWidthOrHeight( elem, name, extra ) {
// Start with offset property, which is equivalent to the border-box value var valueIsBorderBox = true, val = name === "width" ? elem.offsetWidth : elem.offsetHeight, styles = getStyles( elem ), isBorderBox = support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
// some non-html elements return undefined for offsetWidth, so check for null/undefined // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 if ( val <= 0 || val == null ) {
// Fall back to computed then uncomputed css if necessary val = curCSS( elem, name, styles ); if ( val < 0 || val == null ) { val = elem.style[ name ]; }
// Computed unit is not pixels. Stop here and return. if ( rnumnonpx.test( val ) ) { return val; }
// we need the check for style in case a browser which returns unreliable values // for getComputedStyle silently falls back to the reliable elem.style valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );
// Normalize "", auto, and prepare for extra val = parseFloat( val ) || 0; }
// use the active box-sizing model to add/subtract irrelevant styles return ( val + augmentWidthOrHeight( elem, name, extra || ( isBorderBox ? "border" : "content" ), valueIsBorderBox, styles ) ) + "px"; }
jQuery.extend( {
// Add in style property hooks for overriding the default // behavior of getting and setting a style property cssHooks: { opacity: { get: function( elem, computed ) { if ( computed ) {
// We should always get a number back from opacity var ret = curCSS( elem, "opacity" ); return ret === "" ? "1" : ret; } } } },
// gets hook for the prefixed version // followed by the unprefixed version hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
// Check if we're setting a value if ( value !== undefined ) { type = typeof value;
// Convert "+=" or "-=" to relative numbers (#7345) if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { value = adjustCSS( elem, name, ret );
// Fixes bug #9237 type = "number"; }
// Make sure that null and NaN values aren't set. See: #7116 if ( value == null || value !== value ) { return; }
// If a number was passed in, add the unit (except for certain CSS properties) if ( type === "number" ) { value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); }
// Fixes #8908, it can be done more correctly by specifing setters in cssHooks, // but it would mean to define eight // (for every problematic property) identical functions if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { style[ name ] = "inherit"; }
// If a hook was provided, use that value, otherwise just set the specified value if ( !hooks || !( "set" in hooks ) || ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
// Support: IE // Swallow errors from 'invalid' CSS values (#5509) try { style[ name ] = value; } catch ( e ) {} }
} else {
// If a hook was provided get the non-computed value from there if ( hooks && "get" in hooks && ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
return ret; }
// Otherwise just get the value from the style object return style[ name ]; } },
css: function( elem, name, extra, styles ) { var num, val, hooks, origName = jQuery.camelCase( name );
// Make sure that we're working with the right name name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
// gets hook for the prefixed version // followed by the unprefixed version hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
// If a hook was provided get the computed value from there if ( hooks && "get" in hooks ) { val = hooks.get( elem, true, extra ); }
// Otherwise, if a way to get the computed value exists, use that if ( val === undefined ) { val = curCSS( elem, name, styles ); }
//convert "normal" to computed value if ( val === "normal" && name in cssNormalTransform ) { val = cssNormalTransform[ name ]; }
// Return, converting to number if forced or a qualifier was provided and val looks numeric if ( extra === "" || extra ) { num = parseFloat( val ); return extra === true || isFinite( num ) ? num || 0 : val; } return val; } } );
jQuery.each( [ "height", "width" ], function( i, name ) { jQuery.cssHooks[ name ] = { get: function( elem, computed, extra ) { if ( computed ) {
// certain elements can have dimension info if we invisibly show them // however, it must have a current display style that would benefit from this return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ? swap( elem, cssShow, function() { return getWidthOrHeight( elem, name, extra ); } ) : getWidthOrHeight( elem, name, extra ); } },
set: function( elem, value ) { var style = elem.style, currentStyle = elem.currentStyle, opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "", filter = currentStyle && currentStyle.filter || style.filter || "";
// IE has trouble with opacity if it does not have layout // Force it by setting the zoom level style.zoom = 1;
// if setting opacity to 1, and no other filters exist - // attempt to remove filter attribute #6652 // if value === "", then remove inline opacity #12685 if ( ( value >= 1 || value === "" ) && jQuery.trim( filter.replace( ralpha, "" ) ) === "" && style.removeAttribute ) {
// Setting style.filter to null, "" & " " still leave "filter:" in the cssText // if "filter:" is present at all, clearType is disabled, we want to avoid this // style.removeAttribute is IE Only, but so apparently is this code path... style.removeAttribute( "filter" );
// if there is no filter style applied in a css rule // or unset inline opacity, we are done if ( value === "" || currentStyle && !currentStyle.filter ) { return; } }
// Use a property on the element directly when it is not a DOM element, // or when there is no matching style property that exists. if ( tween.elem.nodeType !== 1 || tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { return tween.elem[ tween.prop ]; }
// passing an empty string as a 3rd parameter to .css will automatically // attempt a parseFloat and fallback to a string if the parse fails // so, simple values such as "10px" are parsed to Float. // complex values such as "rotate(1rad)" are returned as is. result = jQuery.css( tween.elem, tween.prop, "" );
// Empty strings, null, undefined and "auto" are converted to 0. return !result || result === "auto" ? 0 : result; }, set: function( tween ) {
// use step hook for back compat - use cssHook if its there - use .style if its // available and use plain properties where available if ( jQuery.fx.step[ tween.prop ] ) { jQuery.fx.step[ tween.prop ]( tween ); } else if ( tween.elem.nodeType === 1 && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) { jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); } else { tween.elem[ tween.prop ] = tween.now; } } } };
// Support: IE <=9 // Panic based approach to setting things on disconnected nodes
jQuery.easing = { linear: function( p ) { return p; }, swing: function( p ) { return 0.5 - Math.cos( p * Math.PI ) / 2; }, _default: "swing" };
jQuery.fx = Tween.prototype.init;
// Back Compat <1.8 extension point jQuery.fx.step = {};
var fxNow, timerId, rfxtypes = /^(?:toggle|show|hide)$/, rrun = /queueHooks$/;
// Animations created synchronously will run synchronously function createFxNow() { window.setTimeout( function() { fxNow = undefined; } ); return ( fxNow = jQuery.now() ); }
// Generate parameters to create a standard animation function genFx( type, includeWidth ) { var which, attrs = { height: type }, i = 0;
// if we include width, step value is 1 to do all cssExpand values, // if we don't include width, step value is 2 to skip over Left and Right includeWidth = includeWidth ? 1 : 0; for ( ; i < 4 ; i += 2 - includeWidth ) { which = cssExpand[ i ]; attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; }
// doing this makes sure that the complete handler will be called // before this completes anim.always( function() { hooks.unqueued--; if ( !jQuery.queue( elem, "fx" ).length ) { hooks.empty.fire(); } } ); } ); }
// height/width overflow pass if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
// Make sure that nothing sneaks out // Record all 3 overflow attributes because IE does not // change the overflow attribute when overflowX and // overflowY are set to the same value opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
// Set display property to inline-block for height/width // animations on inline elements that are having width/height animated display = jQuery.css( elem, "display" );
// Test default display if display is currently "none" checkDisplay = display === "none" ? jQuery._data( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
// show/hide pass for ( prop in props ) { value = props[ prop ]; if ( rfxtypes.exec( value ) ) { delete props[ prop ]; toggle = toggle || value === "toggle"; if ( value === ( hidden ? "hide" : "show" ) ) {
// If there is dataShow left over from a stopped hide or show // and we are going to proceed with show, we should pretend to be hidden if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { hidden = true; } else { continue; } } orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
// Any non-fx value stops us from restoring the original display value } else { display = undefined; } }
if ( !jQuery.isEmptyObject( orig ) ) { if ( dataShow ) { if ( "hidden" in dataShow ) { hidden = dataShow.hidden; } } else { dataShow = jQuery._data( elem, "fxshow", {} ); }
// store state if its toggle - enables .stop().toggle() to "reverse" if ( toggle ) { dataShow.hidden = !hidden; } if ( hidden ) { jQuery( elem ).show(); } else { anim.done( function() { jQuery( elem ).hide(); } ); } anim.done( function() { var prop; jQuery._removeData( elem, "fxshow" ); for ( prop in orig ) { jQuery.style( elem, prop, orig[ prop ] ); } } ); for ( prop in orig ) { tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
// If this is a noop like .hide().hide(), restore an overwritten display value } else if ( ( display === "none" ? defaultDisplay( elem.nodeName ) : display ) === "inline" ) { style.display = display; } }
function propFilter( props, specialEasing ) { var index, name, easing, value, hooks;
// camelCase, specialEasing and expand cssHook pass for ( index in props ) { name = jQuery.camelCase( index ); easing = specialEasing[ name ]; value = props[ index ]; if ( jQuery.isArray( value ) ) { easing = value[ 1 ]; value = props[ index ] = value[ 0 ]; }
if ( index !== name ) { props[ name ] = value; delete props[ index ]; }
hooks = jQuery.cssHooks[ name ]; if ( hooks && "expand" in hooks ) { value = hooks.expand( value ); delete props[ name ];
// not quite $.extend, this wont overwrite keys already present. // also - reusing 'index' from above because we have the correct "name" for ( index in value ) { if ( !( index in props ) ) { props[ index ] = value[ index ]; specialEasing[ index ] = easing; } } } else { specialEasing[ name ] = easing; } } }
function Animation( elem, properties, options ) { var result, stopped, index = 0, length = Animation.prefilters.length, deferred = jQuery.Deferred().always( function() {
// don't match elem in the :animated selector delete tick.elem; } ), tick = function() { if ( stopped ) { return false; } var currentTime = fxNow || createFxNow(), remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
// Support: Android 2.3 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) temp = remaining / animation.duration || 0, percent = 1 - temp, index = 0, length = animation.tweens.length;
for ( ; index < length ; index++ ) { animation.tweens[ index ].run( percent ); }
// if we are going to the end, we want to run all the tweens // otherwise we skip this part length = gotoEnd ? animation.tweens.length : 0; if ( stopped ) { return this; } stopped = true; for ( ; index < length ; index++ ) { animation.tweens[ index ].run( 1 ); }
// resolve when we played the last frame // otherwise, reject if ( gotoEnd ) { deferred.notifyWith( elem, [ animation, 1, 0 ] ); deferred.resolveWith( elem, [ animation, gotoEnd ] ); } else { deferred.rejectWith( elem, [ animation, gotoEnd ] ); } return this; } } ), props = animation.props;
if ( typeof type !== "string" ) { gotoEnd = clearQueue; clearQueue = type; type = undefined; } if ( clearQueue && type !== false ) { this.queue( type || "fx", [] ); }
return this.each( function() { var dequeue = true, index = type != null && type + "queueHooks", timers = jQuery.timers, data = jQuery._data( this );
if ( index ) { if ( data[ index ] && data[ index ].stop ) { stopQueue( data[ index ] ); } } else { for ( index in data ) { if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { stopQueue( data[ index ] ); } } }
for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && ( type == null || timers[ index ].queue === type ) ) {
// start the next in the queue if the last step wasn't forced // timers currently will call their complete callbacks, which will dequeue // but only if they were gotoEnd if ( dequeue || !gotoEnd ) { jQuery.dequeue( this, type ); } } ); }, finish: function( type ) { if ( type !== false ) { type = type || "fx"; } return this.each( function() { var index, data = jQuery._data( this ), queue = data[ type + "queue" ], hooks = data[ type + "queueHooks" ], timers = jQuery.timers, length = queue ? queue.length : 0;
// enable finishing flag on private data data.finish = true;
// empty the queue first jQuery.queue( this, type, [] );
// look for any active animations, and finish them for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && timers[ index ].queue === type ) { timers[ index ].anim.stop( true ); timers.splice( index, 1 ); } }
// look for any animations in the old queue and finish them for ( index = 0; index < length; index++ ) { if ( queue[ index ] && queue[ index ].finish ) { queue[ index ].finish.call( this ); } }
// turn off finishing flag delete data.finish; } ); } } );
// Based off of the plugin by Clint Helfers, with permission. // http://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ jQuery.fn.delay = function( time, type ) { time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; type = type || "fx";
( function() { var a, input = document.createElement( "input" ), div = document.createElement( "div" ), select = document.createElement( "select" ), opt = select.appendChild( document.createElement( "option" ) );
// Setup div = document.createElement( "div" ); div.setAttribute( "className", "t" ); div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>"; a = div.getElementsByTagName( "a" )[ 0 ];
// Support: Windows Web Apps (WWA) // `type` must use .setAttribute for WWA (#14901) input.setAttribute( "type", "checkbox" ); div.appendChild( input );
a = div.getElementsByTagName( "a" )[ 0 ];
// First batch of tests. a.style.cssText = "top:1px";
// Test setAttribute on camelCase class. // If it works, we need attrFixes when doing get/setAttribute (ie6/7) support.getSetAttribute = div.className !== "t";
// Get the style information from getAttribute // (IE uses .cssText instead) support.style = /top/.test( a.getAttribute( "style" ) );
// Make sure that URLs aren't manipulated // (IE normalizes it by default) support.hrefNormalized = a.getAttribute( "href" ) === "/a";
// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere) support.checkOn = !!input.value;
// Make sure that a selected-by-default option has a working selected property. // (WebKit defaults to false instead of true, IE too, if it's in an optgroup) support.optSelected = opt.selected;
// Tests for enctype support on a form (#6743) support.enctype = !!document.createElement( "form" ).enctype;
// Make sure that the options inside disabled selects aren't marked as disabled // (WebKit marks them as disabled) select.disabled = true; support.optDisabled = !opt.disabled;
// Support: IE8 only // Check if we can trust getAttribute("value") input = document.createElement( "input" ); input.setAttribute( "value", "" ); support.input = input.getAttribute( "value" ) === "";
// Check if an input maintains its value after becoming a radio input.value = "t"; input.setAttribute( "type", "radio" ); support.radioValue = input.value === "t"; } )();
var rreturn = /\r/g, rspaces = /[\x20\t\r\n\f]+/g;
jQuery.fn.extend( { val: function( value ) { var hooks, ret, isFunction, elem = this[ 0 ];
if ( !arguments.length ) { if ( elem ) { hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, "value" ) ) !== undefined ) { return ret; }
ret = elem.value;
return typeof ret === "string" ?
// handle most common string cases ret.replace( rreturn, "" ) :
// handle cases where value is null/undef or number ret == null ? "" : ret; }
return; }
isFunction = jQuery.isFunction( value );
return this.each( function( i ) { var val;
if ( this.nodeType !== 1 ) { return; }
if ( isFunction ) { val = value.call( this, i, jQuery( this ).val() ); } else { val = value; }
// Treat null/undefined as ""; convert numbers to string if ( val == null ) { val = ""; } else if ( typeof val === "number" ) { val += ""; } else if ( jQuery.isArray( val ) ) { val = jQuery.map( val, function( value ) { return value == null ? "" : value + ""; } ); }
// If set returns undefined, fall back to normal setting if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { this.value = val; } } ); } } );
jQuery.extend( { valHooks: { option: { get: function( elem ) { var val = jQuery.find.attr( elem, "value" ); return val != null ? val :
// Support: IE10-11+ // option.text throws exceptions (#14686, #14858) // Strip and collapse whitespace // https://html.spec.whatwg.org/#strip-and-collapse-whitespace jQuery.trim( jQuery.text( elem ) ).replace( rspaces, " " ); } }, select: { get: function( elem ) { var value, option, options = elem.options, index = elem.selectedIndex, one = elem.type === "select-one" || index < 0, values = one ? null : [], max = one ? index + 1 : options.length, i = index < 0 ? max : one ? index : 0;
// Loop through all the selected options for ( ; i < max; i++ ) { option = options[ i ];
// oldIE doesn't update selected after form reset (#2551) if ( ( option.selected || i === index ) &&
// Don't return options that are disabled or in a disabled optgroup ( support.optDisabled ? !option.disabled : option.getAttribute( "disabled" ) === null ) && ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
// Get the specific value for the option value = jQuery( option ).val();
// We don't need an array for one selects if ( one ) { return value; }
// Multi-Selects return an array values.push( value ); } }
return values; },
set: function( elem, value ) { var optionSet, option, options = elem.options, values = jQuery.makeArray( value ), i = options.length;
// Support: IE6 // When new option element is added to select box we need to // force reflow of newly added node in order to workaround delay // of initialization properties try { option.selected = optionSet = true;
} catch ( _ ) {
// Will be executed only in IE6 option.scrollHeight; }
} else { option.selected = false; } }
// Force browsers to behave consistently when non-matching value is set if ( !optionSet ) { elem.selectedIndex = -1; }
return options; } } } } );
// Radios and checkboxes getter/setter jQuery.each( [ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = { set: function( elem, value ) { if ( jQuery.isArray( value ) ) { return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); } } }; if ( !support.checkOn ) { jQuery.valHooks[ this ].get = function( elem ) { return elem.getAttribute( "value" ) === null ? "on" : elem.value; }; } } );
removeAttr: function( name ) { return this.each( function() { jQuery.removeAttr( this, name ); } ); } } );
jQuery.extend( { attr: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType;
// Don't get/set attributes on text, comment and attribute nodes if ( nType === 3 || nType === 8 || nType === 2 ) { return; }
// Fallback to prop when attributes are not supported if ( typeof elem.getAttribute === "undefined" ) { return jQuery.prop( elem, name, value ); }
// All attributes are lowercase // Grab necessary hook if one is defined if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { name = name.toLowerCase(); hooks = jQuery.attrHooks[ name ] || ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook ); }
if ( value !== undefined ) { if ( value === null ) { jQuery.removeAttr( elem, name ); return; }
if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; }
elem.setAttribute( name, value + "" ); return value; }
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; }
ret = jQuery.find.attr( elem, name );
// Non-existent attributes return null, we normalize to undefined return ret == null ? undefined : ret; },
attrHooks: { type: { set: function( elem, value ) { if ( !support.radioValue && value === "radio" && jQuery.nodeName( elem, "input" ) ) {
// Setting the type on a radio button after the value resets the value in IE8-9 // Reset value to default in case type is set after value during creation var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } } },
removeAttr: function( elem, value ) { var name, propName, i = 0, attrNames = value && value.match( rnotwhite );
if ( attrNames && elem.nodeType === 1 ) { while ( ( name = attrNames[ i++ ] ) ) { propName = jQuery.propFix[ name ] || name;
// Boolean attributes get special treatment (#10870) if ( jQuery.expr.match.bool.test( name ) ) {
// Set corresponding property to false if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) { elem[ propName ] = false;
// Hooks for boolean attributes boolHook = { set: function( elem, value, name ) { if ( value === false ) {
// Remove boolean attributes when set to false jQuery.removeAttr( elem, name ); } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
// IE<8 needs the *property* name elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
} else {
// Support: IE<9 // Use defaultChecked and defaultSelected for oldIE elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true; } return name; } };
jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { var getter = attrHandle[ name ] || jQuery.find.attr;
if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) { attrHandle[ name ] = function( elem, name, isXML ) { var ret, handle; if ( !isXML ) {
// Avoid an infinite loop by temporarily removing this function from the getter handle = attrHandle[ name ]; attrHandle[ name ] = ret; ret = getter( elem, name, isXML ) != null ? name.toLowerCase() : null; attrHandle[ name ] = handle; } return ret; }; } else { attrHandle[ name ] = function( elem, name, isXML ) { if ( !isXML ) { return elem[ jQuery.camelCase( "default-" + name ) ] ? name.toLowerCase() : null; } }; } } );
// fix oldIE attroperties if ( !getSetInput || !getSetAttribute ) { jQuery.attrHooks.value = { set: function( elem, value, name ) { if ( jQuery.nodeName( elem, "input" ) ) {
// Does not return so that setAttribute is also used elem.defaultValue = value; } else {
// Use nodeHook if defined (#1954); otherwise setAttribute is fine return nodeHook && nodeHook.set( elem, value, name ); } } }; }
// IE6/7 do not support getting/setting some attributes with get/setAttribute if ( !getSetAttribute ) {
// Use this for any attribute in IE6/7 // This fixes almost every IE6/7 issue nodeHook = { set: function( elem, value, name ) {
// Set the existing or create a new attribute node var ret = elem.getAttributeNode( name ); if ( !ret ) { elem.setAttributeNode( ( ret = elem.ownerDocument.createAttribute( name ) ) ); }
ret.value = value += "";
// Break association with cloned elements by also using setAttribute (#9646) if ( name === "value" || value === elem.getAttribute( name ) ) { return value; } } };
// Some attributes are constructed with empty-string values when not defined attrHandle.id = attrHandle.name = attrHandle.coords = function( elem, name, isXML ) { var ret; if ( !isXML ) { return ( ret = elem.getAttributeNode( name ) ) && ret.value !== "" ? ret.value : null; } };
// Fixing value retrieval on a button requires this module jQuery.valHooks.button = { get: function( elem, name ) { var ret = elem.getAttributeNode( name ); if ( ret && ret.specified ) { return ret.value; } }, set: nodeHook.set };
// Set contenteditable to false on removals(#10429) // Setting to empty string throws an error as an invalid value jQuery.attrHooks.contenteditable = { set: function( elem, value, name ) { nodeHook.set( elem, value === "" ? false : value, name ); } };
// Set width and height to auto instead of 0 on empty string( Bug #8150 ) // This is for removals jQuery.each( [ "width", "height" ], function( i, name ) { jQuery.attrHooks[ name ] = { set: function( elem, value ) { if ( value === "" ) { elem.setAttribute( name, "auto" ); return value; } } }; } ); }
// Return undefined in the case of empty string // Note: IE uppercases css property names, but if we were to .toLowerCase() // .cssText, that would destroy case sensitivity in URL's, like in "background" return elem.style.cssText || undefined; }, set: function( elem, value ) { return ( elem.style.cssText = value + "" ); } }; }
var rfocusable = /^(?:input|select|textarea|button|object)$/i, rclickable = /^(?:a|area)$/i;
removeProp: function( name ) { name = jQuery.propFix[ name ] || name; return this.each( function() {
// try/catch handles cases where IE balks (such as removing a property on window) try { this[ name ] = undefined; delete this[ name ]; } catch ( e ) {} } ); } } );
jQuery.extend( { prop: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType;
// Don't get/set properties on text, comment and attribute nodes if ( nType === 3 || nType === 8 || nType === 2 ) { return; }
if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
// Fix name and attach hooks name = jQuery.propFix[ name ] || name; hooks = jQuery.propHooks[ name ]; }
if ( value !== undefined ) { if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; }
return ( elem[ name ] = value ); }
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; }
return elem[ name ]; },
propHooks: { tabIndex: { get: function( elem ) {
// elem.tabIndex doesn't always return the // correct value when it hasn't been explicitly set // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ // Use proper attribute retrieval(#12072) var tabindex = jQuery.find.attr( elem, "tabindex" );
// Some attributes require a special call on IE // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx if ( !support.hrefNormalized ) {
// href/src property should get the full normalized URL (#10299/#12915) jQuery.each( [ "href", "src" ], function( i, name ) { jQuery.propHooks[ name ] = { get: function( elem ) { return elem.getAttribute( name, 4 ); } }; } ); }
// Support: Safari, IE9+ // Accessing the selectedIndex property // forces the browser to respect setting selected // on the option // The getter ensures a default option is selected // when in an optgroup if ( !support.optSelected ) { jQuery.propHooks.selected = { get: function( elem ) { var parent = elem.parentNode;
if ( parent ) { parent.selectedIndex;
// Make sure that it also works with optgroups, see #5701 if ( parent.parentNode ) { parent.parentNode.selectedIndex; } } return null; }, set: function( elem ) { var parent = elem.parentNode; if ( parent ) { parent.selectedIndex;
if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) { if ( cur.indexOf( " " + clazz + " " ) < 0 ) { cur += clazz + " "; } }
// only assign if different to avoid unneeded rendering. finalValue = jQuery.trim( cur ); if ( curValue !== finalValue ) { jQuery.attr( elem, "class", finalValue ); } } } }
return this; },
removeClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0;
if ( jQuery.isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); } ); }
// Only assign if different to avoid unneeded rendering. finalValue = jQuery.trim( cur ); if ( curValue !== finalValue ) { jQuery.attr( elem, "class", finalValue ); } } } }
return this; },
toggleClass: function( value, stateVal ) { var type = typeof value;
if ( typeof stateVal === "boolean" && type === "string" ) { return stateVal ? this.addClass( value ) : this.removeClass( value ); }
if ( jQuery.isFunction( value ) ) { return this.each( function( i ) { jQuery( this ).toggleClass( value.call( this, i, getClass( this ), stateVal ), stateVal ); } ); }
return this.each( function() { var className, i, self, classNames;
if ( type === "string" ) {
// Toggle individual class names i = 0; self = jQuery( this ); classNames = value.match( rnotwhite ) || [];
while ( ( className = classNames[ i++ ] ) ) {
// Check each className given, space separated list if ( self.hasClass( className ) ) { self.removeClass( className ); } else { self.addClass( className ); } }
// Toggle whole class name } else if ( value === undefined || type === "boolean" ) { className = getClass( this ); if ( className ) {
// store className if set jQuery._data( this, "__className__", className ); }
// If the element has a class name or if we're passed "false", // then remove the whole classname (if there was one, the above saved it). // Otherwise bring back whatever was previously saved (if anything), // falling back to the empty string if nothing was stored. jQuery.attr( this, "class", className || value === false ? "" : jQuery._data( this, "__className__" ) || "" ); } } ); },
hasClass: function( selector ) { var className, elem, i = 0;
/* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {},
/* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {},
// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression allTypes = "*/".concat( "*" ),
// A special extend for ajax options // that takes "flat" options (not to be deep extended) // Fixes #9887 function ajaxExtend( target, src ) { var deep, key, flatOptions = jQuery.ajaxSettings.flatOptions || {};
for ( key in src ) { if ( src[ key ] !== undefined ) { ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; } } if ( deep ) { jQuery.extend( true, target, deep ); }
return target; }
/* Handles responses to an ajax request: * - finds the right dataType (mediates between content-type and expected dataType) * - returns the corresponding response */ function ajaxHandleResponses( s, jqXHR, responses ) { var firstDataType, ct, finalDataType, type, contents = s.contents, dataTypes = s.dataTypes;
// Remove auto dataType and get content-type in the process while ( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); } }
// Check if we're dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } }
// Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else {
// Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } }
// Or just use first one finalDataType = finalDataType || firstDataType; }
// If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } }
/* Chain conversions given the request and the original response * Also sets the responseXXX fields on the jqXHR instance */ function ajaxConvert( s, response, jqXHR, isSuccess ) { var conv2, current, conv, tmp, prev, converters = {},
// Work with a copy of dataTypes in case we need to modify it for conversion dataTypes = s.dataTypes.slice();
// Create converters map with lowercased keys if ( dataTypes[ 1 ] ) { for ( conv in s.converters ) { converters[ conv.toLowerCase() ] = s.converters[ conv ]; } }
current = dataTypes.shift();
// Convert to each sequential dataType while ( current ) {
if ( s.responseFields[ current ] ) { jqXHR[ s.responseFields[ current ] ] = response; }
// Apply the dataFilter if provided if ( !prev && isSuccess && s.dataFilter ) { response = s.dataFilter( response, s.dataType ); }
prev = current; current = dataTypes.shift();
if ( current ) {
// There's only work to do if current dataType is non-auto if ( current === "*" ) {
current = prev;
// Convert response if prev dataType is non-auto and differs from current } else if ( prev !== "*" && prev !== current ) {
// Seek a direct converter conv = converters[ prev + " " + current ] || converters[ "* " + current ];
// If none found, seek a pair if ( !conv ) { for ( conv2 in converters ) {
// If conv2 outputs current tmp = conv2.split( " " ); if ( tmp[ 1 ] === current ) {
// If prev can be converted to accepted input conv = converters[ prev + " " + tmp[ 0 ] ] || converters[ "* " + tmp[ 0 ] ]; if ( conv ) {
// Data converters // Keys separate source (or catchall "*") and destination types with a single space converters: {
// Convert anything to text "* text": String,
// Text to html (true = no transformation) "text html": true,
// Evaluate text as a json expression "text json": jQuery.parseJSON,
// Parse text as xml "text xml": jQuery.parseXML },
// For options that shouldn't be deep extended: // you can add your own custom options here if // and when you create one that shouldn't be // deep extended (see ajaxExtend) flatOptions: { url: true, context: true } },
// Creates a full fledged settings object into target // with both ajaxSettings and settings fields. // If target is omitted, writes into ajaxSettings. ajaxSetup: function( target, settings ) { return settings ?
// Building a settings object ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
// Context for global events is callbackContext if it is a DOM node or jQuery collection globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ? jQuery( callbackContext ) : jQuery.event,
// Remove hash character (#7531: and string promotion) // Add protocol if not provided (#5866: IE7 issue with protocol-less urls) // Handle falsy url in the settings object (#10093: consistency with old signature) // We also use the url parameter if available s.url = ( ( url || s.url || ajaxLocation ) + "" ) .replace( rhash, "" ) .replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
// Alias method option to type as per ticket #12004 s.type = options.method || options.type || s.method || s.type;
// If request was aborted inside a prefilter, stop there if ( state === 2 ) { return jqXHR; }
// We can fire global events as of now if asked to // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) fireGlobals = jQuery.event && s.global;
// Watch for a new set of requests if ( fireGlobals && jQuery.active++ === 0 ) { jQuery.event.trigger( "ajaxStart" ); }
// Uppercase the type s.type = s.type.toUpperCase();
// Determine if request has content s.hasContent = !rnoContent.test( s.type );
// Save the URL in case we're toying with the If-Modified-Since // and/or If-None-Match header later on cacheURL = s.url;
// More options handling for requests with no content if ( !s.hasContent ) {
// If data is available, append data to url if ( s.data ) { cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
// #9682: remove data so that it's not used in an eventual retry delete s.data; }
// Add anti-cache in url if needed if ( s.cache === false ) { s.url = rts.test( cacheURL ) ?
// If there is already a '_' parameter, set its value cacheURL.replace( rts, "$1_=" + nonce++ ) :
// Otherwise add one to the end cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++; } }
// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( jQuery.lastModified[ cacheURL ] ) { jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); } if ( jQuery.etag[ cacheURL ] ) { jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); } }
// Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { jqXHR.setRequestHeader( "Content-Type", s.contentType ); }
// Set the Accepts header for the server, depending on the dataType jqXHR.setRequestHeader( "Accept", s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? s.accepts[ s.dataTypes[ 0 ] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : s.accepts[ "*" ] );
// Check for headers option for ( i in s.headers ) { jqXHR.setRequestHeader( i, s.headers[ i ] ); }
// Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
// Abort if not done already and return return jqXHR.abort(); }
// aborting is no longer a cancellation strAbort = "abort";
// Install callbacks on deferreds for ( i in { success: 1, error: 1, complete: 1 } ) { jqXHR[ i ]( s[ i ] ); }
// Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
// If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { jqXHR.readyState = 1;
// Send global event if ( fireGlobals ) { globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); }
// If request was aborted inside ajaxSend, stop there if ( state === 2 ) { return jqXHR; }
// Callback for when everything is done function done( status, nativeStatusText, responses, headers ) { var isSuccess, success, error, response, modified, statusText = nativeStatusText;
// Called once if ( state === 2 ) { return; }
// State is "done" now state = 2;
// Clear timeout if it exists if ( timeoutTimer ) { window.clearTimeout( timeoutTimer ); }
// Dereference transport for early garbage collection // (no matter how long the jqXHR object will be used) transport = undefined;
// Set readyState jqXHR.readyState = status > 0 ? 4 : 0;
// Determine if successful isSuccess = status >= 200 && status < 300 || status === 304;
// Get response data if ( responses ) { response = ajaxHandleResponses( s, jqXHR, responses ); }
// Convert no matter what (that way responseXXX fields are always set) response = ajaxConvert( s, response, jqXHR, isSuccess );
// If successful, handle type chaining if ( isSuccess ) {
// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { modified = jqXHR.getResponseHeader( "Last-Modified" ); if ( modified ) { jQuery.lastModified[ cacheURL ] = modified; } modified = jqXHR.getResponseHeader( "etag" ); if ( modified ) { jQuery.etag[ cacheURL ] = modified; } }
// if no content if ( status === 204 || s.type === "HEAD" ) { statusText = "nocontent";
// if not modified } else if ( status === 304 ) { statusText = "notmodified";
// If we have data, let's convert it } else { statusText = response.state; success = response.data; error = response.error; isSuccess = !error; } } else {
// We extract error from statusText // then normalize statusText and status for non-aborts error = statusText; if ( status || !statusText ) { statusText = "error"; if ( status < 0 ) { status = 0; } } }
// Set data for the fake xhr object jqXHR.status = status; jqXHR.statusText = ( nativeStatusText || statusText ) + "";
// Make this explicit, since user can override this through ajaxSetup (#11264) type: "GET", dataType: "script", cache: true, async: false, global: false, "throws": true } ); };
jQuery.fn.extend( { wrapAll: function( html ) { if ( jQuery.isFunction( html ) ) { return this.each( function( i ) { jQuery( this ).wrapAll( html.call( this, i ) ); } ); }
if ( this[ 0 ] ) {
// The elements to wrap the target around var wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
wrapInner: function( html ) { if ( jQuery.isFunction( html ) ) { return this.each( function( i ) { jQuery( this ).wrapInner( html.call( this, i ) ); } ); }
return this.each( function() { var self = jQuery( this ), contents = self.contents();
if ( contents.length ) { contents.wrapAll( html );
} else { self.append( html ); } } ); },
wrap: function( html ) { var isFunction = jQuery.isFunction( html );
return this.each( function( i ) { jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html ); } ); },
// Disconnected elements are considered hidden if ( !jQuery.contains( elem.ownerDocument || document, elem ) ) { return true; } while ( elem && elem.nodeType === 1 ) { if ( getDisplay( elem ) === "none" || elem.type === "hidden" ) { return true; } elem = elem.parentNode; } return false; }
jQuery.expr.filters.hidden = function( elem ) {
// Support: Opera <= 12.12 // Opera reports offsetWidths and offsetHeights less than zero on some elements return support.reliableHiddenOffsets() ? ( elem.offsetWidth <= 0 && elem.offsetHeight <= 0 && !elem.getClientRects().length ) : filterHidden( elem ); };
// Serialize object item. for ( name in obj ) { buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); }
} else {
// Serialize scalar item. add( prefix, obj ); } }
// Serialize an array of form elements or a set of // key/values into a query string jQuery.param = function( a, traditional ) { var prefix, s = [], add = function( key, value ) {
// If value is a function, invoke it and return its value value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value ); s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value ); };
// Set traditional to true for jQuery <= 1.3.2 behavior. if ( traditional === undefined ) { traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional; }
// If an array was passed in, assume that it is an array of form elements. if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
// Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); } );
} else {
// If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } }
// Can add propHook for "elements" to filter or add form elements var elements = jQuery.prop( this, "elements" ); return elements ? jQuery.makeArray( elements ) : this; } ) .filter( function() { var type = this.type;
// Use .is(":disabled") so that fieldset[disabled] works return this.name && !jQuery( this ).is( ":disabled" ) && rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && ( this.checked || !rcheckableType.test( type ) ); } ) .map( function( i, elem ) { var val = jQuery( this ).val();
// Create the request object // (This is still attached to ajaxSettings for backward compatibility) jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
// Support: IE6-IE8 function() {
// XHR cannot access local files, always use ActiveX for that case if ( this.isLocal ) { return createActiveXHR(); }
// Support: IE 9-11 // IE seems to error on cross-domain PATCH requests when ActiveX XHR // is used. In IE 9+ always use the native XHR. // Note: this condition won't catch Edge as it doesn't define // document.documentMode but it also doesn't support ActiveX so it won't // reach this code. if ( document.documentMode > 8 ) { return createStandardXHR(); }
// Support: IE<9 // oldIE XHR does not support non-RFC2616 methods (#13240) // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9 // Although this check for six methods instead of eight // since IE also does not support "trace" and "connect" return /^(get|post|head|put|delete|options)$/i.test( this.type ) && createStandardXHR() || createActiveXHR(); } :
// For all other browsers, use the standard XMLHttpRequest object createStandardXHR;
var xhrId = 0, xhrCallbacks = {}, xhrSupported = jQuery.ajaxSettings.xhr();
// Support: IE<10 // Open requests must be manually aborted on unload (#5280) // See https://support.microsoft.com/kb/2856746 for more info if ( window.attachEvent ) { window.attachEvent( "onunload", function() { for ( var key in xhrCallbacks ) { xhrCallbacks[ key ]( undefined, true ); } } ); }
// Determine support properties support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); xhrSupported = support.ajax = !!xhrSupported;
// Create transport if the browser can provide an xhr if ( xhrSupported ) {
jQuery.ajaxTransport( function( options ) {
// Cross domain only allowed if supported through XMLHttpRequest if ( !options.crossDomain || support.cors ) {
var callback;
return { send: function( headers, complete ) { var i, xhr = options.xhr(), id = ++xhrId;
// Open the socket xhr.open( options.type, options.url, options.async, options.username, options.password );
// Apply custom fields if provided if ( options.xhrFields ) { for ( i in options.xhrFields ) { xhr[ i ] = options.xhrFields[ i ]; } }
// Override mime type if needed if ( options.mimeType && xhr.overrideMimeType ) { xhr.overrideMimeType( options.mimeType ); }
// X-Requested-With header // For cross-domain requests, seeing as conditions for a preflight are // akin to a jigsaw puzzle, we simply never set it to be sure. // (it can always be set on a per-request basis or even using ajaxSetup) // For same-domain requests, won't change header if already provided. if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { headers[ "X-Requested-With" ] = "XMLHttpRequest"; }
// Set headers for ( i in headers ) {
// Support: IE<9 // IE's ActiveXObject throws a 'Type Mismatch' exception when setting // request header to a null-value. // // To keep consistent with other XHR implementations, cast the value // to string and ignore `undefined`. if ( headers[ i ] !== undefined ) { xhr.setRequestHeader( i, headers[ i ] + "" ); } }
// Do send the request // This may raise an exception which is actually // handled in jQuery.ajax (so no try/catch here) xhr.send( ( options.hasContent && options.data ) || null );
// Firefox throws an exception when accessing // statusText for faulty cross-domain requests try { statusText = xhr.statusText; } catch ( e ) {
// We normalize with Webkit giving an empty statusText statusText = ""; }
// Filter status for non standard behaviors
// If the request is local and we have data: assume a success // (success with no data won't get notified, that's the best we // can do given current implementations) if ( !status && options.isLocal && !options.crossDomain ) { status = responses.text ? 200 : 404;
// IE - #1450: sometimes returns 1223 when it should be 204 } else if ( status === 1223 ) { status = 204; } } }
// Call complete if needed if ( responses ) { complete( status, statusText, responses, xhr.getAllResponseHeaders() ); } };
// Do send the request // `xhr.send` may raise an exception, but it will be // handled in jQuery.ajax (so no try/catch here) if ( !options.async ) {
// If we're in sync mode we fire the callback callback(); } else if ( xhr.readyState === 4 ) {
// (IE6 & IE7) if it's in cache and has been // retrieved directly we need to fire the callback window.setTimeout( callback ); } else {
// Register the callback, but delay it in case `xhr.send` throws // Add to the list of active xhr callbacks xhr.onreadystatechange = xhrCallbacks[ id ] = callback; } },
// Remove the script if ( script.parentNode ) { script.parentNode.removeChild( script ); }
// Dereference the script script = null;
// Callback if not abort if ( !isAbort ) { callback( 200, "success" ); } } };
// Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending // Use native DOM manipulation to avoid our domManip AJAX trickery head.insertBefore( script, head.firstChild ); },
// make sure that re-using the options doesn't screw things around s.jsonpCallback = originalSettings.jsonpCallback;
// save the callback name for future use oldCallbacks.push( callbackName ); }
// Call if it was a function and we have a response if ( responseContainer && jQuery.isFunction( overwritten ) ) { overwritten( responseContainer[ 0 ] ); }
responseContainer = overwritten = undefined; } );
// Delegate to script return "script"; } } );
// data: string of html // context (optional): If specified, the fragment will be created in this context, // defaults to document // keepScripts (optional): If true, will include scripts passed in the html string jQuery.parseHTML = function( data, context, keepScripts ) { if ( !data || typeof data !== "string" ) { return null; } if ( typeof context === "boolean" ) { keepScripts = context; context = false; } context = context || document;
var parsed = rsingleTag.exec( data ), scripts = !keepScripts && [];
// Single tag if ( parsed ) { return [ context.createElement( parsed[ 1 ] ) ]; }
parsed = buildFragment( [ data ], context, scripts );
// Keep a copy of the old load method var _load = jQuery.fn.load;
/** * Load a url into a page */ jQuery.fn.load = function( url, params, callback ) { if ( typeof url !== "string" && _load ) { return _load.apply( this, arguments ); }
var selector, type, response, self = this, off = url.indexOf( " " );
if ( off > -1 ) { selector = jQuery.trim( url.slice( off, url.length ) ); url = url.slice( 0, off ); }
// If it's a function if ( jQuery.isFunction( params ) ) {
// We assume that it's the callback callback = params; params = undefined;
// Otherwise, build a param string } else if ( params && typeof params === "object" ) { type = "POST"; }
// If we have elements to modify, make the request if ( self.length > 0 ) { jQuery.ajax( { url: url,
// If "type" variable is undefined, then "GET" method will be used. // Make value of this field explicit since // user can override it through ajaxSetup method type: type || "GET", dataType: "html", data: params } ).done( function( responseText ) {
// Save response for use in complete callback response = arguments;
self.html( selector ?
// If a selector was specified, locate the right elements in a dummy div // Exclude scripts to avoid IE 'Permission Denied' errors jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
// Otherwise use the full result responseText );
// If the request succeeds, this function gets "data", "status", "jqXHR" // but they are ignored because response was set above. // If it fails, this function gets "jqXHR", "status", "error" } ).always( callback && function( jqXHR, status ) { self.each( function() { callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] ); } ); } ); }
return this; };
// Attach a bunch of functions for handling common AJAX events jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) { jQuery.fn[ type ] = function( fn ) { return this.on( type, fn ); }; } );
// need to be able to calculate position if either top or left // is auto and position is either absolute or fixed if ( calculatePosition ) { curPosition = curElem.position(); curTop = curPosition.top; curLeft = curPosition.left; } else { curTop = parseFloat( curCSSTop ) || 0; curLeft = parseFloat( curCSSLeft ) || 0; }
if ( jQuery.isFunction( options ) ) {
// Use jQuery.extend here to allow modification of coordinates argument (gh-1848) options = options.call( elem, i, jQuery.extend( {}, curOffset ) ); }
// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, // because it is its only offset parent if ( jQuery.css( elem, "position" ) === "fixed" ) {
// we assume that getBoundingClientRect is available when computed position is fixed offset = elem.getBoundingClientRect(); } else {
// Get *real* offsetParent offsetParent = this.offsetParent();
// Subtract parent offsets and element margins // note: when an element has margin: auto the offsetLeft and marginLeft // are the same in Safari causing offset.left to incorrectly be 0 return { top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) }; },
// Support: Safari<7-8+, Chrome<37-44+ // Add the top/left cssHooks using jQuery.fn.position // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 // getComputedStyle returns percent when specified for top/left/bottom/right // rather than make the css module depend on the offset module, we just check for it here jQuery.each( [ "top", "left" ], function( i, prop ) { jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, function( elem, computed ) { if ( computed ) { computed = curCSS( elem, prop );
// margin is only for outerHeight, outerWidth jQuery.fn[ funcName ] = function( margin, value ) { var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
return access( this, function( elem, type, value ) { var doc;
if ( jQuery.isWindow( elem ) ) {
// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there // isn't a whole lot we can do. See pull request at this URL for discussion: // https://github.com/jquery/jquery/pull/764 return elem.document.documentElement[ "client" + name ]; }
// Get document width or height if ( elem.nodeType === 9 ) { doc = elem.documentElement;
// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], // whichever is greatest // unfortunately, this causes bug #3838 in IE6/8 only, // but there is currently no good, small way to fix it. return Math.max( elem.body[ "scroll" + name ], doc[ "scroll" + name ], elem.body[ "offset" + name ], doc[ "offset" + name ], doc[ "client" + name ] ); }
return value === undefined ?
// Get width or height on the element, requesting but not forcing parseFloat jQuery.css( elem, type, extra ) :
// Set width or height on the element jQuery.style( elem, type, value, extra ); }, type, chainable ? margin : undefined, chainable, null ); }; } ); } );
// The number of elements contained in the matched element set jQuery.fn.size = function() { return this.length; };
jQuery.fn.andSelf = jQuery.fn.addBack;
// Register as a named AMD module, since jQuery can be concatenated with other // files that may use define, but not via a proper concatenation script that // understands anonymous AMD modules. A named AMD is safest and most robust // way to register. Lowercase jquery is used because AMD module names are // derived from file names, and jQuery is normally delivered in a lowercase // file name. Do this after creating the global so that if an AMD module wants // to call noConflict to hide this version of jQuery, it will work.
// Note that for maximum portability, libraries that are not jQuery should // declare themselves as anonymous modules, and avoid setting a global if an // AMD loader is present. jQuery is a special case. For more information, see // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
// Map over jQuery in case of overwrite _jQuery = window.jQuery,
// Map over the $ in case of overwrite _$ = window.$;
jQuery.noConflict = function( deep ) { if ( window.$ === jQuery ) { window.$ = _$; }
if ( deep && window.jQuery === jQuery ) { window.jQuery = _jQuery; }
return jQuery; };
// Expose jQuery and $ identifiers, even in // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557) // and CommonJS for browser emulators (#13566) if ( !noGlobal ) { window.jQuery = window.$ = jQuery; }