X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=e2d3b60f75820f0a61cb6118625f0801e3314db8;hb=ad4f28631ac888e7ac8384b4b713012fd1ca2dca;hp=d2f82a6db5318e53382088d4c0aa5d7b7afbac12;hpb=aadc268abf555f0f1cc7c5bc05d0dc73b35cb705;p=jquery.git diff --git a/src/core.js b/src/core.js index d2f82a6..e2d3b60 100644 --- a/src/core.js +++ b/src/core.js @@ -29,16 +29,17 @@ var jQuery = function( selector, context ) { rnotwhite = /\S/, // Used for trimming whitespace - rtrim = /^\s+|\s+$/g, + rtrim = /(\s|\u00A0)+|(\s|\u00A0)+$/g, // Match a standalone tag - rsingleTag = /^<(\w+)\s*\/?>$/, + rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/, // Keep a UserAgent string for use with jQuery.browser userAgent = navigator.userAgent.toLowerCase(), // 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; @@ -52,15 +53,10 @@ jQuery.fn = jQuery.prototype = { return this; } - // $("body"): Shortcut for quickly finding the body element - if ( selector === "body" && !context && document.body ) { - selector = document.body; - } - // Handle $(DOMElement) if ( selector.nodeType ) { this.context = this[0] = selector; - this.length++; + this.length = 1; return this; } @@ -100,7 +96,7 @@ jQuery.fn = jQuery.prototype = { } // Otherwise, we inject the element directly into the jQuery object - this.length++; + this.length = 1; this[0] = elem; } @@ -136,9 +132,9 @@ jQuery.fn = jQuery.prototype = { 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 @@ -227,7 +223,7 @@ jQuery.fn = jQuery.prototype = { }, is: function( selector ) { - return !!selector && jQuery.multiFilter( selector, this ).length > 0; + return !!selector && jQuery.filter( selector, this ).length > 0; }, // For internal use only. @@ -276,19 +272,10 @@ jQuery.extend = jQuery.fn.extend = function() { continue; } - // Recurse if we're merging object values - if ( deep && copy && typeof copy === "object" && !copy.nodeType ) { - var clone; - - if ( src ) { - clone = src; - } else if ( jQuery.isArray(copy) ) { - clone = []; - } else if ( jQuery.isObject(copy) ) { - clone = {}; - } else { - clone = 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 ); @@ -327,8 +314,25 @@ jQuery.extend({ return toString.call(obj) === "[object Array]"; }, - isObject: function( obj ) { - return this.constructor.call(obj) === Object; + 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 ) { @@ -415,19 +419,16 @@ jQuery.extend({ 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 ); } } @@ -435,6 +436,10 @@ jQuery.extend({ }, 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; @@ -445,45 +450,24 @@ jQuery.extend({ }, 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 ) { @@ -553,6 +537,36 @@ function evalScript( i, elem ) { } } +// 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(); }