<!DOCTYPE html>
<html ng-app="test">
  <body ng-class="{hacked: internalFnCalled}">
    <form>
      <input id="input1" type="hidden" value="{{value}}" />
      <input id="input2" type="hidden" ng-value="value" />

      <textarea ng-model="value"></textarea>
    </form>
    <script src="angular.js"></script>
    <script src="script.js"></script>
  </body>
</html>