From: Ariel Flesler <aflesler@gmail.com>
Date: Thu, 8 May 2008 17:08:59 +0000 (+0000)
Subject: jquery core: closes #2811, $.fn.add now calls $.unique internally, also it was failin... 
X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=commitdiff_plain;h=487567e82fed4f596b5f97bfbcd5c2429ca35bb0

jquery core: closes #2811, $.fn.add now calls $.unique internally, also it was failing for array-like f.e: window.
---

diff --git a/src/core.js b/src/core.js
index 42fd8d4..a6d4c5f 100644
--- a/src/core.js
+++ b/src/core.js
@@ -337,12 +337,12 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	add: function( selector ) {
-		return !selector ? this : this.pushStack( jQuery.merge( 
+		return this.pushStack( jQuery.unique( jQuery.merge( 
 			this.get(),
-			selector.constructor == String ? 
-				jQuery( selector ).get() :
-				selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
-					selector : [selector] ) );
+			typeof selector == 'string' ? 
+				jQuery( selector ) :
+				jQuery.makeArray( selector )
+		)));
 	},
 
 	is: function( selector ) {