increment counter in angularjs

<!doctype html>
<html>

<head>
  <title>Example - www.code-sample.com</title>
  <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.0-rc.1/angular.min.js"></script>
</head>

<body ng-app>
  <button ng-click="count = count + 2" ng-init="count=3">
    Click for Increment Counter
  </button>

  <h2>
        Total Count: {{count}}
  </h2>
  
</body>
</html>

// Code goes here

/* Styles go here */