X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcore.js;h=cb9b528eca4d46b149bc0f947db4bc5acd691cb4;hb=3d8ceaf2f21f4782ff21746887e2bcf56025e704;hp=18ecf21f000d51b4630022441c2a35d5015e9ba5;hpb=03de2cb5e7945fac42bc612b290dbe460924cc51;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 18ecf21..cb9b528 100644
--- a/src/core.js
+++ b/src/core.js
@@ -34,8 +34,10 @@ var jQuery = function( selector, context ) {
 	// 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;
+	// Save a reference to some core methods
+	toString = Object.prototype.toString,
+	push = Array.prototype.push,
+	slice = Array.prototype.slice;
 
 // Expose jQuery to the global object
 window.jQuery = window.$ = jQuery;
@@ -126,7 +128,9 @@ jQuery.fn = jQuery.prototype = {
 		return this.length;
 	},
 
-	toArray: Array.prototype.slice,
+	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
@@ -137,7 +141,7 @@ jQuery.fn = jQuery.prototype = {
 			this.toArray() :
 
 			// Return just the object
-			( num < 0 ? this.toArray(num)[ 0 ] : this[ num ] );
+			( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
 	},
 
 	// Take an array of elements and push it onto the stack
@@ -168,7 +172,7 @@ jQuery.fn = jQuery.prototype = {
 		// 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;
 	},
@@ -201,7 +205,7 @@ jQuery.fn = jQuery.prototype = {
 
 	// For internal use only.
 	// Behaves like an Array's method, not like a jQuery method.
-	push: [].push,
+	push: push,
 	sort: [].sort,
 	splice: [].splice
 };
@@ -249,10 +253,15 @@ jQuery.extend = jQuery.fn.extend = function() {
 				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;
+					if ( src ) {
+						clone = src;
+					} else if ( jQuery.isArray(copy) ) {
+						clone = [];
+					} else if ( jQuery.isObject(copy) ) {
+						clone = {};
+					} else {
+						clone = copy;
+					}
 
 					// Never move original objects, clone them
 					target[ name ] = jQuery.extend( deep, clone, copy );
@@ -296,15 +305,15 @@ jQuery.extend({
 	},
 
 	isEmptyObject: function( obj ) {
-		for(var name in 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";
+		return (elem.ownerDocument || elem).documentElement.nodeName !== "HTML";
 	},
 
 	// Evalulates a script in a global context
@@ -316,6 +325,7 @@ jQuery.extend({
 				script = document.createElement("script");
 
 			script.type = "text/javascript";
+
 			if ( jQuery.support.scriptEval ) {
 				script.appendChild( document.createTextNode( data ) );
 			} else {