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

<p>Everything you write in the textarea will also be the content of the heading below:</p>

<textarea ng-model="myTextarea"></textarea>

<p>The content of the textarea is;</p>
<h1>{{myTextarea}}</h1>

</body>
</html>