From 20cbf1b123c9d54029b7d5f6fef2343793f274c2 Mon Sep 17 00:00:00 2001
From: timmywil <timmywillisn@gmail.com>
Date: Mon, 14 Nov 2011 12:31:28 -0500
Subject: [PATCH] Microoptimization in jQuery.attr and remove the redundancy of
 return undefined

---
 src/attributes.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/attributes.js b/src/attributes.js
index 193abf007..5aa5273cd 100644
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -177,7 +177,7 @@ jQuery.fn.extend({
 					ret == null ? "" : ret;
 			}
 
-			return undefined;
+			return;
 		}
 
 		isFunction = jQuery.isFunction( value );
@@ -302,7 +302,7 @@ jQuery.extend({
 
 		// don't get/set attributes on text, comment and attribute nodes
 		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
-			return undefined;
+			return;
 		}
 
 		if ( pass && name in jQuery.attrFn ) {
@@ -310,7 +310,7 @@ jQuery.extend({
 		}
 
 		// Fallback to prop when attributes are not supported
-		if ( !("getAttribute" in elem) ) {
+		if ( typeof elem.getAttribute === "undefined" ) {
 			return jQuery.prop( elem, name, value );
 		}
 
@@ -327,7 +327,7 @@ jQuery.extend({
 
 			if ( value === null ) {
 				jQuery.removeAttr( elem, name );
-				return undefined;
+				return;
 
 			} else if ( hooks && "set" in hooks && notxml && (ret = hooks.set( elem, value, name )) !== undefined ) {
 				return ret;
@@ -439,7 +439,7 @@ jQuery.extend({
 
 		// don't get/set properties on text, comment and attribute nodes
 		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
-			return undefined;
+			return;
 		}
 
 		notxml = nType !== 1 || !jQuery.isXMLDoc( elem );