<script src= "https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
<body>

<div ng-app="" ng-init="firstName='John'">

<p>Input something in the input box:</p>
<p>Name: <input type="text" ng-model="firstName"></p>
<p>You wrote: {{ firstName }}</p>

</div>

</body>

External CSS

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External JavaScript

This Pen doesn't use any external JavaScript resources.