X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=48261fc4fed0584df579d731b0251708609955a6;hb=c475222bfb729d7629cece87cf1cc96aaaacd305;hp=25ef22d765e58bc28eef95adc9de6742699d6649;hpb=c272f5f7da3473fd5ac85efe783a0d63608ec62b;p=jquery.git diff --git a/src/core.js b/src/core.js index 25ef22d..48261fc 100644 --- a/src/core.js +++ b/src/core.js @@ -15,16 +15,11 @@ var jQuery = function( selector, context ) { // A central reference to the root jQuery(document) rootjQuery, - // A simple way to check for HTML strings or ID strings - // (both of which we optimize for) - quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/, - - // Is it a simple selector - isSimple = /^.[^:#\[\.,]*$/, + // A simple way to check for HTML strings + quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$/, // Check if a string has a non-whitespace character in it rnotwhite = /\S/, - rwhite = /\s/, // Used for trimming whitespace trimLeft = /^\s+/, @@ -63,6 +58,9 @@ var jQuery = function( selector, context ) { // The deferred used on DOM ready readyList, + // Promise methods + promiseMethods = "then done fail isResolved isRejected promise".split( " " ), + // The ready event handler DOMContentLoaded, @@ -94,76 +92,31 @@ jQuery.fn = jQuery.prototype = { return this; } - // The body element only exists once, optimize finding it - if ( selector === "body" && !context && document.body ) { - this.context = document; - this[0] = document.body; - this.selector = "body"; - this.length = 1; - return this; - } - // Handle HTML strings if ( typeof selector === "string" ) { - // Are we dealing with HTML string or an ID? - match = quickExpr.exec( selector ); - - // Verify a match, and that no context was specified for #id - if ( match && (match[1] || !context) ) { - - // HANDLE: $(html) -> $(array) - if ( match[1] ) { - context = context instanceof jQuery ? context[0] : 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 ); + // Are we dealing with HTML string + if ( (match = quickExpr.exec( selector )) ) { + context = context instanceof jQuery ? context[0] : context; + doc = (context ? context.ownerDocument || context : document); - if ( ret ) { - if ( jQuery.isPlainObject( context ) ) { - selector = [ document.createElement( ret[1] ) ]; - jQuery.fn.attr.call( selector, context, true ); + // 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 ); - } else { - selector = [ doc.createElement( ret[1] ) ]; - } + if ( ret ) { + if ( jQuery.isPlainObject( context ) ) { + selector = [ document.createElement( ret[1] ) ]; + jQuery.fn.attr.call( selector, context, true ); } else { - ret = jQuery.buildFragment( [ match[1] ], [ doc ] ); - selector = (ret.cacheable ? jQuery(ret.fragment).clone()[0] : ret.fragment).childNodes; + selector = [ doc.createElement( ret[1] ) ]; } - return jQuery.merge( this, selector ); - - // HANDLE: $("#id") } else { - elem = document.getElementById( match[2] ); - - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document #6963 - if ( elem && elem.parentNode ) { - // 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; - } - - this.context = document; - this.selector = selector; - return this; + ret = jQuery.buildFragment( [ match[1] ], [ doc ] ); + selector = (ret.cacheable ? jQuery(ret.fragment).clone()[0] : ret.fragment).childNodes; } - // HANDLE: $("TAG") - } else if ( !context && !rnonword.test( selector ) ) { - this.selector = selector; - this.context = document; - selector = document.getElementsByTagName( selector ); return jQuery.merge( this, selector ); // HANDLE: $(expr, $(...)) @@ -580,7 +533,7 @@ jQuery.extend({ script.type = "text/javascript"; - if ( jQuery.support.scriptEval ) { + if ( jQuery.support.scriptEval() ) { script.appendChild( document.createTextNode( data ) ); } else { script.text = data; @@ -914,16 +867,18 @@ jQuery.extend({ isRejected: failDeferred.isResolved, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object - promise: function( obj ) { + // (i is used internally) + promise: function( obj , i ) { if ( obj == null ) { if ( promise ) { return promise; } promise = obj = {}; } - jQuery.each( "then done fail isResolved isRejected promise".split( " " ) , function( _ , method ) { - obj[ method ] = deferred[ method ]; - }); + i = promiseMethods.length; + while( i-- ) { + obj[ promiseMethods[ i ] ] = deferred[ promiseMethods[ i ] ]; + } return obj; } @@ -1034,9 +989,8 @@ if ( indexOf ) { }; } -// Verify that \s matches non-breaking spaces -// (IE fails on this test) -if ( !rwhite.test( "\xA0" ) ) { +// IE doesn't match non-breaking spaces with \s +if ( rnotwhite.test( "\xA0" ) ) { trimLeft = /^[\s\xA0]+/; trimRight = /[\s\xA0]+$/; }