Angular: Empty Fiddle
http://angularjs.org/
HTML
<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
<div ng-init="shouldShow=false">
<div ng-if="!shouldShow">
<p>{{shouldShow}}</p>
<div>
<button ng-click="shouldShow=!shouldShow">Hide Section</button>
<button ng-if="!shouldShow">Should Disappear</button>
</div>
</div>
</div>
</div>
JavaScript
var myApp = angular.module('myApp', []);
//myApp.directive('myDirective', function() {});
//myApp.factory('myService', function() {});
function MyCtrl($scope) {}