Make the value hook less obtrusive for elements which do not inherently have a...

Make the value hook less obtrusive for elements which do not inherently have a value property. Fixes #9328.

src/attributes.js

@@ -498,7 +498,9 @@ jQuery.attrHooks.value = {
 		if ( formHook && jQuery.nodeName( elem, "button" ) ) {
 			return formHook.get( elem, name );
 		}
-		return elem.value;
+		return name in elem ?
+			elem.value :
+			elem.getAttribute( name );
 	},
 	set: function( elem, value, name ) {
 		if ( formHook && jQuery.nodeName( elem, "button" ) ) {

test/unit/attributes.js

@@ -40,7 +40,7 @@ test("jQuery.attrFix/jQuery.propFix integrity test", function() {
 });
 
 test("attr(String)", function() {
-	expect(42);
+	expect(43);
 
 	equals( jQuery("#text1").attr("type"), "text", "Check for type attribute" );
 	equals( jQuery("#radio1").attr("type"), "radio", "Check for type attribute" );
@@ -54,6 +54,7 @@ test("attr(String)", function() {
 	equals( jQuery("#text1").attr("name"), "action", "Check for name attribute" );
 	ok( jQuery("#form").attr("action").indexOf("formaction") >= 0, "Check for action attribute" );
 	equals( jQuery("#text1").attr("value", "t").attr("value"), "t", "Check setting the value attribute" );
+	equals( jQuery("<div value='t'></div>").attr("value"), "t", "Check setting custom attr named 'value' on a div" );
 	equals( jQuery("#form").attr("blah", "blah").attr("blah"), "blah", "Set non-existant attribute on a form" );
 	equals( jQuery("#foo").attr("height"), undefined, "Non existent height attribute should return undefined" );