-// Will speed up references to window, and allows munging its name.
-var window = this,
-
- // Will speed up references to undefined, and allows munging its name.
- undefined,
+// Define a local copy of jQuery
+var jQuery = function( selector, context ) {
+ // The jQuery object is actually just the init constructor 'enhanced'
+ return arguments.length === 0 ?
+ rootjQuery :
+ new jQuery.fn.init( selector, context );
+ },
// Map over jQuery in case of overwrite
_jQuery = window.jQuery,
// Map over the $ in case of overwrite
_$ = window.$,
- // Define a local copy of jQuery
- jQuery,
+ // Use the correct document accordingly with window argument (sandbox)
+ document = window.document,
// A central reference to the root jQuery(document)
rootjQuery,
- jQuery = window.jQuery = window.$ = function( selector, context ) {
- // The jQuery object is actually just the init constructor 'enhanced'
- return selector === undefined ?
- rootjQuery :
- new jQuery.fn.init( selector, context );
- },
-
// A simple way to check for HTML strings or ID strings
// (both of which we optimize for)
- quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
+ quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,
// Is it a simple selector
isSimple = /^.[^:#\[\.,]*$/,
+ // Check if a string has a non-whitespace character in it
+ rnotwhite = /\S/,
+
+ // Used for trimming whitespace
+ rtrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g,
+
+ // Match a standalone tag
+ rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
+
// Keep a UserAgent string for use with jQuery.browser
userAgent = navigator.userAgent.toLowerCase(),
- // Save a reference to the core toString method
- toString = Object.prototype.toString;
-
-// Define the main jQuery method
-jQuery = window.jQuery = window.$ = function( selector, context ) {
- // The jQuery object is actually just the init constructor 'enhanced'
- return new jQuery.fn.init( selector, context );
-};
+ // Save a reference to some core methods
+ toString = Object.prototype.toString,
+ hasOwnProperty = Object.prototype.hasOwnProperty,
+ push = Array.prototype.push,
+ slice = Array.prototype.slice,
+ indexOf = Array.prototype.indexOf;
jQuery.fn = jQuery.prototype = {
init: function( selector, context ) {
- var match, elem, ret;
+ var match, elem, ret, doc;
// Handle $(""), $(null), or $(undefined)
if ( !selector ) {
- this.length = 0;
return this;
}
// Handle $(DOMElement)
if ( selector.nodeType ) {
- this[0] = selector;
+ this.context = this[0] = selector;
this.length = 1;
- this.context = selector;
return this;
}
// HANDLE: $(html) -> $(array)
if ( match[1] ) {
- selector = jQuery.clean( [ match[1] ], context );
+ doc = (context ? context.ownerDocument || context : document);
+
+ // If a single string is passed in and it's a single tag
+ // just do a createElement and skip the rest
+ ret = rsingleTag.exec( selector );
+
+ if ( ret ) {
+ selector = [ doc.createElement( ret[1] ) ];
+
+ } else {
+ ret = buildFragment( [ match[1] ], [ doc ] );
+ selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
+ }
// HANDLE: $("#id")
} else {
- elem = document.getElementById( match[3] );
-
- // Handle the case where IE and Opera return items
- // by name instead of ID
- if ( elem && elem.id !== match[3] ) {
- return rootjQuery.find( selector );
+ elem = document.getElementById( match[2] );
+
+ if ( elem ) {
+ // Handle the case where IE and Opera return items
+ // by name instead of ID
+ if ( elem.id !== match[2] ) {
+ return rootjQuery.find( selector );
+ }
+
+ // Otherwise, we inject the element directly into the jQuery object
+ this.length = 1;
+ this[0] = elem;
}
- // Otherwise, we inject the element directly into the jQuery object
- ret = jQuery( elem || null );
- ret.context = document;
- ret.selector = selector;
- return ret;
+ this.context = document;
+ this.selector = selector;
+ return this;
}
+ // HANDLE: $("TAG")
+ } else if ( !context && /^\w+$/.test( selector ) ) {
+ this.selector = selector;
+ this.context = document;
+ selector = document.getElementsByTagName( selector );
+
// HANDLE: $(expr, $(...))
} else if ( !context || context.jquery ) {
return (context || rootjQuery).find( selector );
return rootjQuery.ready( selector );
}
- // Make sure that old selector state is passed along
- if ( selector.selector && selector.context ) {
+ if (selector.selector !== undefined) {
this.selector = selector.selector;
this.context = selector.context;
}
- return this.setArray(jQuery.isArray( selector ) ?
- selector :
- jQuery.makeArray(selector));
+ return jQuery.isArray( selector ) ?
+ this.setArray( selector ) :
+ jQuery.makeArray( selector, this );
},
// Start with an empty selector
// The current version of jQuery being used
jquery: "@VERSION",
+ // The default length of a jQuery object is 0
+ length: 0,
+
// The number of elements contained in the matched element set
size: function() {
return this.length;
},
+ toArray: function(){
+ return slice.call( this, 0 );
+ },
+
// Get the Nth element in the matched element set OR
// Get the whole matched element set as a clean array
get: function( num ) {
return num == null ?
// Return a 'clean' array
- Array.prototype.slice.call( this ) :
+ this.toArray() :
// Return just the object
- this[ num ];
+ ( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
},
// Take an array of elements and push it onto the stack
// Resetting the length to 0, then using the native Array push
// is a super-fast way to populate an object with array-like properties
this.length = 0;
- Array.prototype.push.apply( this, elems );
+ push.apply( this, elems );
return this;
},
},
is: function( selector ) {
- return !!selector && jQuery.multiFilter( selector, this ).length > 0;
+ return !!selector && jQuery.filter( selector, this ).length > 0;
},
// For internal use only.
// Behaves like an Array's method, not like a jQuery method.
- push: [].push,
+ push: push,
sort: [].sort,
splice: [].splice
};
continue;
}
- // Recurse if we're merging object values
- if ( deep && copy && typeof copy === "object" && !copy.nodeType ) {
- target[ name ] = jQuery.extend( deep,
- // Never move original objects, clone them
- src || ( copy.length != null ? [ ] : { } ), copy );
+ // Recurse if we're merging object literal values
+ if ( deep && copy && jQuery.isObjectLiteral(copy) ) {
+ // Don't extend not object literals
+ var clone = src && jQuery.isObjectLiteral(src) ? src : {};
+
+ // Never move original objects, clone them
+ target[ name ] = jQuery.extend( deep, clone, copy );
// Don't bring in undefined values
} else if ( copy !== undefined ) {
return toString.call(obj) === "[object Array]";
},
+ isObjectLiteral: function( obj ) {
+ if ( toString.call(obj) !== "[object Object]" || typeof obj.nodeType === "number" ) {
+ return false;
+ }
+
+ // not own constructor property must be Object
+ if ( obj.constructor
+ && !hasOwnProperty.call(obj, "constructor")
+ && !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
+ return false;
+ }
+
+ //own properties are iterated firstly,
+ //so to speed up, we can test last one if it is own or not
+
+ var key;
+ for ( key in obj ) {}
+
+ return key === undefined || hasOwnProperty.call( obj, key );
+ },
+
+ isEmptyObject: function( obj ) {
+ for ( var name in obj ) {
+ return false;
+ }
+ return true;
+ },
+
// check if an element is in a (or is an) XML document
isXMLDoc: function( elem ) {
- return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
- !!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
+ // documentElement is verified for cases where it doesn't yet exist
+ // (such as loading iframes in IE - #4833)
+ var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement;
+ return documentElement ? documentElement.nodeName !== "HTML" : false;
},
// Evalulates a script in a global context
globalEval: function( data ) {
- if ( data && /\S/.test(data) ) {
+ if ( data && rnotwhite.test(data) ) {
// Inspired by code by Andrea Giammarchi
// http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
var head = document.getElementsByTagName("head")[0] || document.documentElement,
script = document.createElement("script");
script.type = "text/javascript";
+
if ( jQuery.support.scriptEval ) {
script.appendChild( document.createTextNode( data ) );
} else {
// args is for internal usage only
each: function( object, callback, args ) {
- var name, i = 0, length = object.length;
+ var name, i = 0,
+ length = object.length,
+ isObj = length === undefined || jQuery.isFunction(object);
if ( args ) {
- if ( length === undefined ) {
+ if ( isObj ) {
for ( name in object ) {
if ( callback.apply( object[ name ], args ) === false ) {
break;
// A special, fast, case for the most common use of each
} else {
- if ( length === undefined ) {
+ if ( isObj ) {
for ( name in object ) {
if ( callback.call( object[ name ], name, object[ name ] ) === false ) {
break;
},
trim: function( text ) {
- return (text || "").replace( /^\s+|\s+$/g, "" );
+ return (text || "").replace( rtrim, "" );
},
- makeArray: function( array ) {
- var ret = [], i;
+ // results is for internal usage only
+ makeArray: function( array, results ) {
+ var ret = results || [];
if ( array != null ) {
- i = array.length;
-
// The window, strings (and functions) also have 'length'
- if ( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
- ret[0] = array;
+ if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
+ push.call( ret, array );
} else {
- while ( i ) {
- ret[--i] = array[i];
- }
+ jQuery.merge( ret, array );
}
}
},
inArray: function( elem, array ) {
+ if ( array.indexOf ) {
+ return array.indexOf( elem );
+ }
+
for ( var i = 0, length = array.length; i < length; i++ ) {
if ( array[ i ] === elem ) {
return i;
},
merge: function( first, second ) {
- // We have to loop this way because IE & Opera overwrite the length
- // expando of getElementsByTagName
- var i = 0, elem, pos = first.length;
-
- // Also, we need to make sure that the correct elements are being returned
- // (IE returns comment nodes in a '*' query)
- if ( !jQuery.support.getAll ) {
- while ( (elem = second[ i++ ]) != null ) {
- if ( elem.nodeType !== 8 ) {
- first[ pos++ ] = elem;
- }
- }
+ var pos, i = second.length;
- } else {
- while ( (elem = second[ i++ ]) != null ) {
- first[ pos++ ] = elem;
- }
+ // We have to get length this way when IE & Opera overwrite the length
+ // expando of getElementsByTagName
+ if ( i && i.nodeType ) {
+ for ( i = 0; second[i]; ++i ) {}
}
-
- return first;
- },
-
- unique: function( array ) {
- var ret = [], done = {}, id;
-
- try {
- for ( var i = 0, length = array.length; i < length; i++ ) {
- id = jQuery.data( array[ i ] );
-
- if ( !done[ id ] ) {
- done[ id ] = true;
- ret.push( array[ i ] );
- }
- }
- } catch( e ) {
- ret = array;
+
+ pos = i + first.length;
+
+ // Correct length for non Arrays
+ first.length = pos;
+
+ while ( i ) {
+ first[ --pos ] = second[ --i ];
}
- return ret;
+ return first;
},
grep: function( elems, callback, inv ) {
return ret;
},
- map: function( elems, callback ) {
+ // arg is for internal usage only
+ map: function( elems, callback, arg ) {
var ret = [], value;
// Go through the array, translating each of the items to their
// new value (or values).
for ( var i = 0, length = elems.length; i < length; i++ ) {
- value = callback( elems[ i ], i );
+ value = callback( elems[ i ], i, arg );
if ( value != null ) {
ret[ ret.length ] = value;
// It's included for backwards compatibility and plugins,
// although they should work to migrate away.
browser: {
- version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
+ version: (/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/.exec(userAgent) || [0,'0'])[1],
safari: /webkit/.test( userAgent ),
opera: /opera/.test( userAgent ),
msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
}
});
+if ( indexOf ) {
+ jQuery.inArray = function( elem, array ) {
+ return indexOf.call( array, elem );
+ };
+}
+
// All jQuery objects should point back to these
rootjQuery = jQuery(document);
}
}
+// Mutifunctional method to get and set values to a collection
+// The value/s can be optionally by executed if its a function
+function access( elems, key, value, exec, fn ) {
+ var l = elems.length;
+
+ // Setting many attributes
+ if ( typeof key === "object" ) {
+ for (var k in key) {
+ access(elems, k, key[k], exec, fn);
+ }
+ return elems;
+ }
+
+ // Setting one attribute
+ if (value !== undefined) {
+ // Optionally, function values get executed if exec is true
+ exec = exec && jQuery.isFunction(value);
+
+ for (var i = 0; i < l; i++) {
+ var elem = elems[i],
+ val = exec ? value.call(elem, i) : value;
+ fn(elem, key, val);
+ }
+ return elems;
+ }
+
+ // Getting an attribute
+ return l ? fn(elems[0], key) : null;
+}
+
function now() {
return (new Date).getTime();
}
git.asbjorn.biz / jquery.git / blobdiff