<html ng-app>
<head>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.20/angular.min.js"></script>
  <script src="controllers.js"></script>
</head>
<body>
  <div ng-controller='HelloController'>
    <input ng-model='greeting.text'>
    <p>{{greeting.text}}, świecie</p>
  </div>
</body>
</html>