toggleClass()

src/jquip.js

@@ -434,6 +434,13 @@ window['$'] = window['jquip'] = (function(){
 	p['clone'] = function() {
 		return $(this.map(function() { return this.cloneNode(true); }));
 	};
+	p['toggleClass'] = function(className, val) {
+		return this['each'](function() {
+			var el = $(this);
+			(typeof val === 'undefined' ? !el.hasClass(className) : val)
+				? el.addClass(className) : el.removeClass(className);
+		});
+	};
 
 	$['Expr'] = {
 		'hidden': function(el){

test/runner.html

@@ -14,6 +14,7 @@
   <script type="text/javascript" src="spec/display.js"></script>
   <script type="text/javascript" src="spec/wrap.js"></script>
   <script type="text/javascript" src="spec/attrs.js"></script>
+  <script type="text/javascript" src="spec/css.js"></script>
 
 
   <script type="text/javascript">

test/spec/css.js

@@ -0,0 +1,33 @@
+(function(){
+  describe('jquip.toggleClass', function() {
+    var el;
+    beforeEach(function() {
+      el = jquip('<div class="foo bar">');
+    });
+
+    it('removes class if exists', function() {
+      el.toggleClass('foo');
+      expect(el.hasClass('foo')).toBe(false);
+    });
+
+    it('adds class if not present', function() {
+      el.toggleClass('qux');
+      expect(el.hasClass('qux')).toBe(true);
+    });
+
+    it('removes if switch is false', function() {
+      el.toggleClass('bar', false);
+      expect(el.hasClass('bar')).toBe(false);
+      el.toggleClass('bar', false);
+      expect(el.hasClass('bar')).toBe(false);
+    });
+
+    it('adds if switch is true', function() {
+      el.toggleClass('bar', true);
+      expect(el.hasClass('bar')).toBe(true);
+
+      el.toggleClass('zing', true);
+      expect(el.hasClass('zing')).toBe(true);
+    });
+  });
+}());