toggleClass can now toggle multiple classNames (space seperated list) and...

toggleClass can now toggle multiple classNames (space seperated list) and toggle the whole className. fixes #3825.

src/attributes.js

@@ -130,9 +130,25 @@ jQuery.each({
 	},
 
 	toggleClass: function( classNames, state ) {
-		if( typeof state !== "boolean" )
-			state = !jQuery.className.has( this, classNames );
-		jQuery.className[ state ? "add" : "remove" ]( this, classNames );
+		var type = typeof classNames;
+		if ( type === "string" ) {
+			// toggle individual class names
+			var isBool = typeof state === "boolean", className, i = 0,
+				classNames = classNames.split( /\s+/ );
+			while ( (className = classNames[ i++ ]) ) {
+				// check each className given, space seperated list
+				state = isBool ? state : !jQuery.className.has( this, className );
+				jQuery.className[ state ? "add" : "remove" ]( this, className );
+			}
+		} else if ( type === "undefined" || type === "boolean" ) {
+			// toggle whole className
+			if ( this.className || classNames === false ) {
+				jQuery.data( this, "__className__", this.className );
+				this.className = "";
+			} else {
+				this.className = jQuery.data( this, "__className__" ) || "";
+			}
+		}
 	}
 }, function(name, fn){
 	jQuery.fn[ name ] = function(){

test/unit/attributes.js

@@ -281,8 +281,9 @@ test("removeClass(String) - simple", function() {
 	ok( !j.hasClass("asdf"), "Check node,textnode,comment for removeClass" );
 });
 
-test("toggleClass(String)", function() {
-	expect(6);
+test("toggleClass(String|boolean|undefined[, boolean])", function() {
+	expect(16);
+
 	var e = jQuery("#firstp");
 	ok( !e.is(".test"), "Assert class not present" );
 	e.toggleClass("test");
@@ -290,12 +291,40 @@ test("toggleClass(String)", function() {
 	e.toggleClass("test");
 	ok( !e.is(".test"), "Assert class not present" );
 
+	// class name with a boolean
 	e.toggleClass("test", false);
 	ok( !e.is(".test"), "Assert class not present" );
 	e.toggleClass("test", true);
 	ok( e.is(".test"), "Assert class present" );
 	e.toggleClass("test", false);
 	ok( !e.is(".test"), "Assert class not present" );
+
+	// multiple class names
+	e.addClass("testA testB");
+	ok( (e.is(".testA.testB")), "Assert 2 different classes present" );
+	e.toggleClass("testB testC");
+	ok( (e.is(".testA.testC") && !e.is(".testB")), "Assert 1 class added, 1 class removed, and 1 class kept" );
+	e.toggleClass("testA testC");
+	ok( (!e.is(".testA") && !e.is(".testB") && !e.is(".testC")), "Assert no class present" );
+
+	// toggleClass storage
+	e.toggleClass(true);
+	ok( e.get(0).className === "", "Assert class is empty (data was empty)" );
+	e.addClass("testD");
+	ok( e.is(".testD"), "Assert class present" );
+	e.toggleClass();
+	ok( !e.is(".testD"), "Assert class not present" );
+	ok( e.data('__className__') === 'testD', "Assert data was stored" );
+	e.toggleClass();
+	ok( e.is(".testD"), "Assert class present (restored from data)" );
+	e.toggleClass(false);
+	ok( !e.is(".testD"), "Assert class not present" );
+	e.toggleClass(true);
+	ok( e.is(".testD"), "Assert class present (restored from data)" );
+
+	// Cleanup
+	e.removeClass("testD");
+	e.removeData('__className__');
 });
 
 test("removeAttr(String", function() {