Add a feature test for options inside a disabled select. Follow-up to...

Add a feature test for options inside a disabled select. Follow-up to 157a383d.

src/attributes.js

@@ -164,8 +164,9 @@ jQuery.fn.extend({
 						var option = options[ i ];
 
 						// Don't return options that are disabled or in a disabled optgroup
-						if ( option.selected && option.getAttribute("disabled") === null && 
+						if ( option.selected && (jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) && 
 								(!option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" )) ) {
+
 							// Get the specific value for the option
 							value = jQuery(option).val();
 

src/support.js

@@ -20,6 +20,9 @@
 		return;
 	}
 
+	var select = document.createElement("select");
+	var opt = select.appendChild( document.createElement("option") );
+
 	jQuery.support = {
 		// IE strips leading whitespace when .innerHTML is used
 		leadingWhitespace: div.firstChild.nodeType === 3,
@@ -56,15 +59,21 @@
 
 		// Make sure that a selected-by-default option has a working selected property.
 		// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
-		optSelected: document.createElement("select").appendChild( document.createElement("option") ).selected,
+		optSelected: opt.selected,
 
 		// Will be defined later
+		optDisabled: false,
 		checkClone: false,
 		scriptEval: false,
 		noCloneEvent: true,
 		boxModel: null
 	};
 
+	// Make sure that the options inside disabled selects aren't marked as disabled
+	// (WebKit marks them as diabled)
+	select.disabled = true;
+	jQuery.support.optDisabled = !opt.disabled;
+
 	script.type = "text/javascript";
 	try {
 		script.appendChild( document.createTextNode( "window." + id + "=1;" ) );