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diff --git a/src/ng/directive/ngShowHide.js b/src/ng/directive/ngShowHide.js
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+'use strict';
+
+/**
+ * @ngdoc directive
+ * @name angular.module.ng.$compileProvider.directive.ng-show
+ *
+ * @description
+ * The `ng-show` and `ng-hide` directives show or hide a portion of the DOM tree (HTML)
+ * conditionally.
+ *
+ * @element ANY
+ * @param {expression} ng-show If the {@link guide/dev_guide.expressions expression} is truthy
+ *     then the element is shown or hidden respectively.
+ *
+ * @example
+   <doc:example>
+     <doc:source>
+        Click me: <input type="checkbox" ng-model="checked"><br/>
+        Show: <span ng-show="checked">I show up when your checkbox is checked.</span> <br/>
+        Hide: <span ng-hide="checked">I hide when your checkbox is checked.</span>
+     </doc:source>
+     <doc:scenario>
+       it('should check ng-show / ng-hide', function() {
+         expect(element('.doc-example-live span:first:hidden').count()).toEqual(1);
+         expect(element('.doc-example-live span:last:visible').count()).toEqual(1);
+
+         input('checked').check();
+
+         expect(element('.doc-example-live span:first:visible').count()).toEqual(1);
+         expect(element('.doc-example-live span:last:hidden').count()).toEqual(1);
+       });
+     </doc:scenario>
+   </doc:example>
+ */
+//TODO(misko): refactor to remove element from the DOM
+var ngShowDirective = ngDirective(function(scope, element, attr){
+  scope.$watch(attr.ngShow, function(value){
+    element.css('display', toBoolean(value) ? '' : 'none');
+  });
+});
+
+
+/**
+ * @ngdoc directive
+ * @name angular.module.ng.$compileProvider.directive.ng-hide
+ *
+ * @description
+ * The `ng-hide` and `ng-show` directives hide or show a portion
+ * of the HTML conditionally.
+ *
+ * @element ANY
+ * @param {expression} ng-hide If the {@link guide/dev_guide.expressions expression} truthy then
+ *     the element is shown or hidden respectively.
+ *
+ * @example
+   <doc:example>
+     <doc:source>
+        Click me: <input type="checkbox" ng-model="checked"><br/>
+        Show: <span ng-show="checked">I show up when you checkbox is checked?</span> <br/>
+        Hide: <span ng-hide="checked">I hide when you checkbox is checked?</span>
+     </doc:source>
+     <doc:scenario>
+       it('should check ng-show / ng-hide', function() {
+         expect(element('.doc-example-live span:first:hidden').count()).toEqual(1);
+         expect(element('.doc-example-live span:last:visible').count()).toEqual(1);
+
+         input('checked').check();
+
+         expect(element('.doc-example-live span:first:visible').count()).toEqual(1);
+         expect(element('.doc-example-live span:last:hidden').count()).toEqual(1);
+       });
+     </doc:scenario>
+   </doc:example>
+ */
+//TODO(misko): refactor to remove element from the DOM
+var ngHideDirective = ngDirective(function(scope, element, attr){
+  scope.$watch(attr.ngHide, function(value){
+    element.css('display', toBoolean(value) ? 'none' : '');
+  });
+});