From 2e3905aa43c7678a3d6d436eed90044dcd5397ca Mon Sep 17 00:00:00 2001
From: Douglas Meyer 
Date: Tue, 23 Mar 2010 21:50:54 -0500
Subject: [PATCH] Ensure attr('name', null) works consistently across browsers (#6341)

---
 src/attributes.js       |    6 +++++-
 test/unit/attributes.js |    4 +++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/attributes.js b/src/attributes.js
index aca9e05..2e90112 100644
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -285,7 +285,11 @@ jQuery.extend({
 						jQuery.error( "type property can't be changed" );
 					}
 
-					elem[ name ] = value;
+					if (value === null) {
+						elem.removeAttribute( name );
+					} else {
+						elem[ name ] = value;
+					}
 				}
 
 				// browsers index elements by id/name on forms, give priority to attributes.
diff --git a/test/unit/attributes.js b/test/unit/attributes.js
index 21d3d94..c204eff 100644
--- a/test/unit/attributes.js
+++ b/test/unit/attributes.js
@@ -97,7 +97,7 @@ test("attr(Hash)", function() {
 });
 
 test("attr(String, Object)", function() {
-	expect(23);
+	expect(24);
 	var div = jQuery("div").attr("foo", "bar"),
 		fail = false;
 	for ( var i = 0; i < div.size(); i++ ) {
@@ -113,6 +113,8 @@ test("attr(String, Object)", function() {
 
 	jQuery("#name").attr('name', 'something');
 	equals( jQuery("#name").attr('name'), 'something', 'Set name attribute' );
+	jQuery("#name").attr('title', null);
+	equals( jQuery("#name").attr('title'), '', 'Remove name attribute' );
 	jQuery("#check2").attr('checked', true);
 	equals( document.getElementById('check2').checked, true, 'Set checked attribute' );
 	jQuery("#check2").attr('checked', false);
-- 
1.6.3.3