Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
    <button ng-click="clickFunc()">Test click</button>
    <div>
        <!-- This text will be updated when the button is clicked -->
        {{ testText }}
    </div>
</div>

JavaScript

var myApp = angular.module('myApp', []);

//myApp.directive('myDirective', function() {});
//myApp.factory('myService', function() {});

function MyCtrl($scope) {
    $scope.testText = '';
    $scope.clickFunc = function () {
        $scope.testText = 'User clicked';
    };
}