- Added a hook to swap display none for width and height in browsers that do not sufficiently support get/setAttribute

src/attributes.js

@@ -446,6 +446,20 @@ if ( !jQuery.support.getSetAttribute ) {
 			return value;
 		}
 	};
+
+	// Retrieving the width/height attributes on an
+	// element with display: none returns 0 in ie6/7 (#5413)
+	jQuery.each([ "width", "height" ], function( i, name ) {
+		jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
+			get: function( elem ) {
+				var ret;
+				jQuery.swap( elem, { visibility: "hidden", display: "block" }, function() {
+					ret = elem.getAttribute( name );
+				});
+				return ret;
+			}
+		});
+	});
 }
 
 // Remove certain attrs if set to false

src/manipulation.js

@@ -550,6 +550,7 @@ jQuery.extend({
 		// Return the cloned set
 		return clone;
 	},
+
 	clean: function( elems, context, fragment, scripts ) {
 		context = context || document;
 

test/unit/attributes.js

@@ -75,7 +75,7 @@ test("prop(String, Object)", function() {
 });
 
 test("attr(String)", function() {
-	expect(28);
+	expect(30);
 
 	equals( jQuery('#text1').attr('type'), "text", 'Check for type attribute' );
 	equals( jQuery('#radio1').attr('type'), "radio", 'Check for type attribute' );
@@ -125,12 +125,16 @@ test("attr(String)", function() {
 	optgroup.appendChild( option );
 	select.appendChild( optgroup );
 
-	ok( jQuery("<div/>").attr("doesntexist") === undefined, "Make sure undefined is returned when no attribute is found." );
+	var $img = jQuery('<img style="display:none" width="215" height="53" src="http://static.jquery.com/files/rocker/images/logo_jquery_215x53.gif"/>').appendTo('body');
-	ok( jQuery().attr("doesntexist") === undefined, "Make sure undefined is returned when no element is there." );
+	equals( $img.attr('width'), "215", "Retrieve width attribute an an element with display:none." );
+	equals( $img.attr('height'), "53", "Retrieve height attribute an an element with display:none." );
 
 	// Check for style support
 	ok( !!~jQuery('#dl').attr('style').indexOf('absolute'), 'Check style attribute getter' );
 	ok( !!~jQuery('#foo').attr('style', 'position:absolute;').attr('style').indexOf('absolute'), 'Check style setter' );
+
+	ok( jQuery("<div/>").attr("doesntexist") === undefined, "Make sure undefined is returned when no attribute is found." );
+	ok( jQuery().attr("doesntexist") === undefined, "Make sure undefined is returned when no element is there." );
 });
 
 if ( !isLocal ) {