X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcore.js;h=a6d4c5f74b2a8ee97bbd51fb3ccf11d6278a1737;hb=aec0dad98046bf4242eaf9015a2a41f9e008cc0c;hp=42fd8d499be454b34b3b5791ced7b08b7d4fd311;hpb=858d56fc8e26a686cb19d1e35b0c2e8953987e49;p=jquery.git

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 ) {