From: John Resig <jeresig@gmail.com>
Date: Mon, 10 Dec 2007 01:45:03 +0000 (+0000)
Subject: Added a change that triples the speed of all uses of $(...). For example $(DOMElement... 
X-Git-Tag: 1.2.2b~28
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=f97f77c034dc62001a687c728bdfdc71a23bf6b8;p=jquery.git

Added a change that triples the speed of all uses of $(...). For example $(DOMElement) was 38ms, is now 13ms.
---

diff --git a/src/core.js b/src/core.js
index 27a57283e..39ffdb580 100644
--- a/src/core.js
+++ b/src/core.js
@@ -14,10 +14,8 @@ if ( window.jQuery )
 	var _jQuery = window.jQuery;
 
 var jQuery = window.jQuery = function( selector, context ) {
-	// If the context is a namespace object, return a new object
-	return this instanceof jQuery ?
-		this.init( selector, context ) :
-		new jQuery( selector, context );
+	// The jQuery object is actually just the init constructor 'enhanced'
+	return new jQuery.prototype.init( selector, context );
 };
 
 // Map over the $ in case of overwrite
@@ -521,6 +519,9 @@ jQuery.fn = jQuery.prototype = {
 	}
 };
 
+// Give the init function the jQuery prototype for later instantiation
+jQuery.prototype.init.prototype = jQuery.prototype;
+
 function evalScript( i, elem ) {
 	if ( elem.src )
 		jQuery.ajax({