Angular: Empty Fiddle
http://angularjs.org/
HTML
<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
<input class="txt" type="text" ng-model="nameText" />
<div>
<ul>
<li ng-repeat="myKeys in tags| filter:nameText">{{myKeys}}</li>
</ul>
<div ng-show="!(tags| filter:nameText).length">No Tag Found</div>
</div>
</div>
JavaScript
var myApp = angular.module('myApp',[]);
//myApp.directive('myDirective', function() {});
//myApp.factory('myService', function() {});
function MyCtrl($scope) {
$scope.tags = ['HTML','CSS','Jquery','Bootstrap','AngularJS'];
}