// A simple way to check for HTML strings or ID strings
// (both of which we optimize for)
- quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w\-]+)$/,
+ quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/,
// Is it a simple selector
isSimple = /^.[^:#\[\.,]*$/,
// Check if a string has a non-whitespace character in it
rnotwhite = /\S/,
+ rwhite = /\s/,
// Used for trimming whitespace
trimLeft = /^\s+/,
trimRight = /\s+$/,
+ // Check for non-word characters
+ rnonword = /\W/,
+
+ // Check for digits
+ rdigit = /\d/,
+
// Match a standalone tag
rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
+ // JSON RegExp
+ rvalidchars = /^[\],:{}\s]*$/,
+ rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
+ rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
+ rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
+
+ // Useragent RegExp
+ rwebkit = /(webkit)[ \/]([\w.]+)/,
+ ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,
+ rmsie = /(msie) ([\w.]+)/,
+ rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/,
+
// Keep a UserAgent string for use with jQuery.browser
userAgent = navigator.userAgent,
// Has the ready events already been bound?
readyBound = false,
- // The functions to execute on DOM ready
- readyList = [],
+ // The deferred used on DOM ready
+ readyList,
// The ready event handler
DOMContentLoaded,
push = Array.prototype.push,
slice = Array.prototype.slice,
trim = String.prototype.trim,
- indexOf = Array.prototype.indexOf;
+ indexOf = Array.prototype.indexOf,
+
+ // [[Class]] -> type pairs
+ class2type = {},
+
+ // Marker for deferred
+ deferredMarker = [];
jQuery.fn = jQuery.prototype = {
init: function( selector, context ) {
}
// The body element only exists once, optimize finding it
- if ( selector === "body" && !context ) {
+ if ( selector === "body" && !context && document.body ) {
this.context = document;
this[0] = document.body;
this.selector = "body";
}
// HANDLE: $("TAG")
- } else if ( !context && /^\w+$/.test( selector ) ) {
+ } else if ( !context && !rnonword.test( selector ) ) {
this.selector = selector;
this.context = document;
selector = document.getElementsByTagName( selector );
this.toArray() :
// Return just the object
- ( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
+ ( num < 0 ? this[ this.length + num ] : this[ num ] );
},
// Take an array of elements and push it onto the stack
return jQuery.each( this, callback, args );
},
- ready: function( fn ) {
+ ready: function() {
// Attach the listeners
jQuery.bindReady();
-
- // If the DOM is already ready
- if ( jQuery.isReady ) {
- // Execute the function immediately
- fn.call( document, jQuery );
-
- // Otherwise, remember the function for later
- } else if ( readyList ) {
- // Add the function to the wait list
- readyList.push( fn );
- }
-
- return this;
+
+ // Change ready & apply
+ return ( jQuery.fn.ready = readyList.then ).apply( this , arguments );
},
eq: function( i ) {
jQuery.fn.init.prototype = jQuery.fn;
jQuery.extend = jQuery.fn.extend = function() {
- // copy reference to target object
- var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy;
+ var options, name, src, copy, copyIsArray, clone,
+ target = arguments[0] || {},
+ i = 1,
+ length = arguments.length,
+ deep = false;
// Handle a deep copy situation
if ( typeof target === "boolean" ) {
continue;
}
- // Recurse if we're merging object literal values or arrays
- if ( deep && copy && ( jQuery.isPlainObject(copy) || jQuery.isArray(copy) ) ) {
- var clone = src && ( jQuery.isPlainObject(src) || jQuery.isArray(src) ) ? src
- : jQuery.isArray(copy) ? [] : {};
+ // Recurse if we're merging plain objects or arrays
+ if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
+ if ( copyIsArray ) {
+ copyIsArray = false;
+ clone = src && jQuery.isArray(src) ? src : [];
+
+ } else {
+ clone = src && jQuery.isPlainObject(src) ? src : {};
+ }
// Never move original objects, clone them
target[ name ] = jQuery.extend( deep, clone, copy );
if ( !jQuery.readyWait || (wait !== true && !jQuery.isReady) ) {
// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
if ( !document.body ) {
- return setTimeout( jQuery.ready, 13 );
+ return setTimeout( jQuery.ready, 1 );
}
// Remember that the DOM is ready
}
// If there are functions bound, to execute
- if ( readyList ) {
- // Execute all of them
- var fn, i = 0;
- while ( (fn = readyList[ i++ ]) ) {
- fn.call( document, jQuery );
- }
-
- // Reset the list of functions
- readyList = null;
- }
-
+ readyList.fire( document , [ jQuery ] );
+
// Trigger any bound ready events
- if ( jQuery.fn.triggerHandler ) {
- jQuery( document ).triggerHandler( "ready" );
+ if ( jQuery.fn.trigger ) {
+ jQuery( document ).trigger( "ready" ).unbind( "ready" );
}
}
},
// Catch cases where $(document).ready() is called after the
// browser event has already occurred.
if ( document.readyState === "complete" ) {
- return jQuery.ready();
+ // Handle it asynchronously to allow scripts the opportunity to delay ready
+ return setTimeout( jQuery.ready, 1 );
}
// Mozilla, Opera and webkit nightlies currently support this event
return jQuery.type(obj) === "array";
},
+ // A crude way of determining if an object is a window
+ isWindow: function( obj ) {
+ return obj && typeof obj === "object" && "setInterval" in obj;
+ },
+
+ isNaN: function( obj ) {
+ return obj == null || !rdigit.test( obj ) || isNaN( obj );
+ },
+
type: function( obj ) {
return obj == null ?
String( obj ) :
- toString.call(obj).slice(8, -1).toLowerCase();
+ class2type[ toString.call(obj) ] || "object";
},
isPlainObject: function( obj ) {
// 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 || obj.setInterval ) {
+ if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
return false;
}
// Make sure the incoming data is actual JSON
// Logic borrowed from http://json.org/json2.js
- if ( /^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@")
- .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]")
- .replace(/(?:^|:|,)(?:\s*\[)+/g, "")) ) {
+ if ( rvalidchars.test(data.replace(rvalidescape, "@")
+ .replace(rvalidtokens, "]")
+ .replace(rvalidbraces, "")) ) {
// Try to use the native JSON parser first
return window.JSON && window.JSON.parse ?
jQuery.error( "Invalid JSON: " + data );
}
},
+
+ // Cross-browser xml parsing
+ // (xml & tmp used internally)
+ parseXML: function( data , xml , tmp ) {
+
+ if ( window.DOMParser ) { // Standard
+ tmp = new DOMParser();
+ xml = tmp.parseFromString( data , "text/xml" );
+ } else { // IE
+ xml = new ActiveXObject( "Microsoft.XMLDOM" );
+ xml.async = "false";
+ xml.loadXML( data );
+ }
+
+ tmp = xml.documentElement;
+
+ if ( ! tmp || ! tmp.nodeName || tmp.nodeName === "parsererror" ) {
+ jQuery.error( "Invalid XML: " + data );
+ }
+
+ return xml;
+ },
noop: function() {},
// Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
var type = jQuery.type(array);
- if ( array.length == null || type === "string" || type === "function" || type === "regexp" || "setInterval" in array ) {
+ if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {
push.call( ret, array );
} else {
jQuery.merge( ret, array );
},
merge: function( first, second ) {
- var i = first.length, j = 0;
+ var i = first.length,
+ j = 0;
if ( typeof second.length === "number" ) {
for ( var l = second.length; j < l; j++ ) {
}
}
+ // Flatten any nested arrays
return ret.concat.apply( [], ret );
},
now: function() {
return (new Date()).getTime();
},
+
+ // Create a simple deferred (one callbacks list)
+ _deferred: function( cancellable ) {
+
+ // cancellable by default
+ cancellable = cancellable !== false;
+
+ var // callbacks list
+ callbacks = [],
+ // stored [ context , args ]
+ fired,
+ // to avoid firing when already doing so
+ firing,
+ // flag to know if the deferred has been cancelled
+ cancelled,
+ // the deferred itself
+ deferred = {
+
+ // then( f1, f2, ...)
+ then: function () {
+
+ if ( ! cancelled ) {
+
+ var args = arguments,
+ i,
+ length,
+ elem,
+ type,
+ _fired;
+
+ if ( fired ) {
+ _fired = fired;
+ fired = 0;
+ }
+
+ for ( i = 0, length = args.length ; i < length ; i++ ) {
+ elem = args[ i ];
+ type = jQuery.type( elem );
+ if ( type === "array" ) {
+ deferred.then.apply( deferred , elem );
+ } else if ( type === "function" ) {
+ callbacks.push( elem );
+ }
+ }
+
+ if ( _fired ) {
+ deferred.fire( _fired[ 0 ] , _fired[ 1 ] );
+ }
+ }
+ return this;
+ },
+
+ // resolve with given context and args
+ // (i is used internally)
+ fire: function( context , args , i ) {
+ if ( ! cancelled && ! fired && ! firing ) {
+ firing = 1;
+ try {
+ for( i = 0 ; ! cancelled && callbacks[ i ] ; i++ ) {
+ cancelled = ( callbacks[ i ].apply( context , args ) === false ) && cancellable;
+ }
+ } catch( e ) {
+ cancelled = cancellable;
+ jQuery.error( e );
+ } finally {
+ fired = [ context , args ];
+ callbacks = cancelled ? [] : callbacks.slice( i + 1 );
+ firing = 0;
+ }
+ }
+ return this;
+ },
+
+ // resolve with this as context and given arguments
+ resolve: function() {
+ deferred.fire( this , arguments );
+ return this;
+ },
+
+ // cancelling further callbacks
+ cancel: function() {
+ if ( cancellable ) {
+ callbacks = [];
+ cancelled = 1;
+ }
+ return this;
+ }
+
+ };
+
+ // Add the deferred marker
+ deferred.then._ = deferredMarker;
+
+ return deferred;
+ },
+
+ // Full fledged deferred (two callbacks list)
+ // Typical success/error system
+ deferred: function( func , cancellable ) {
+
+ // Handle varargs
+ if ( arguments.length === 1 ) {
+
+ if ( typeof func === "boolean" ) {
+ cancellable = func;
+ func = 0;
+ }
+ }
+
+ var errorDeferred = jQuery._deferred( cancellable ),
+ deferred = jQuery._deferred( cancellable ),
+ // Keep reference of the cancel method since we'll redefine it
+ cancelThen = deferred.cancel;
+
+ // Add errorDeferred methods and redefine cancel
+ jQuery.extend( deferred , {
+
+ fail: errorDeferred.then,
+ fireReject: errorDeferred.fire,
+ reject: errorDeferred.resolve,
+ cancel: function() {
+ cancelThen();
+ errorDeferred.cancel();
+ return this;
+ }
+
+ } );
+
+ // Make sure only one callback list will be used
+ deferred.then( errorDeferred.cancel ).fail( cancelThen );
+
+ // Call given func if any
+ if ( func ) {
+ func.call( deferred , deferred );
+ }
+
+ return deferred;
+ },
+
+ // Check if an object is a deferred
+ isDeferred: function( object , method ) {
+ method = method || "then";
+ return !!( object && object[ method ] && object[ method ]._ === deferredMarker );
+ },
+
+ // Deferred helper
+ when: function( object , method ) {
+ method = method || "then";
+ object = jQuery.isDeferred( object , method ) ?
+ object :
+ jQuery.deferred().resolve( object );
+ object.fail = object.fail || function() { return this; };
+ object[ method ] = object[ method ] || object.then;
+ object.then = object.then || object[ method ];
+ return object;
+ },
// Use of jQuery.browser is frowned upon.
// More details: http://docs.jquery.com/Utilities/jQuery.browser
uaMatch: function( ua ) {
ua = ua.toLowerCase();
- var match = /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
- /(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
- /(msie) ([\w.]+)/.exec( ua ) ||
- !/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
+ var match = rwebkit.exec( ua ) ||
+ ropera.exec( ua ) ||
+ rmsie.exec( ua ) ||
+ ua.indexOf("compatible") < 0 && rmozilla.exec( ua ) ||
[];
return { browser: match[1] || "", version: match[2] || "0" };
browser: {}
});
+// Create readyList deferred
+// also force $.fn.ready to be recognized as a defer
+readyList = jQuery._deferred( false );
+jQuery.fn.ready._ = deferredMarker;
+
+// Populate the class2type map
+jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
+ class2type[ "[object " + name + "]" ] = name.toLowerCase();
+});
+
browserMatch = jQuery.uaMatch( userAgent );
if ( browserMatch.browser ) {
jQuery.browser[ browserMatch.browser ] = true;
// Verify that \s matches non-breaking spaces
// (IE fails on this test)
-if ( !/\s/.test( "\xA0" ) ) {
+if ( !rwhite.test( "\xA0" ) ) {
trimLeft = /^[\s\xA0]+/;
trimRight = /[\s\xA0]+$/;
}