<!DOCTYPE html>
<html>
<script src="/lib/angular-1.4.8.min.js"></script>
<body ng-app="">

<p>Click the button:</p>

<button ng-click="count = count + 1" ng-init="count=0">OK</button>

<p>The button has been clicked {{count}} times.</p>

<p>This example increases the value of the variable "count" every time you click the button.</p>

</body>
</html>