AngularJS 1.3.x

var app = angular.module('plunker', []);

app.controller('MainCtrl', function($scope) {
  $scope.name = 'World';
});

<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.3.x" src="https://code.angularjs.org/1.3.20/angular.js" data-semver="1.3.20"></script>
    <script src="app.js"></script>
  </head>

  <body ng-controller="MainCtrl">
    <h1>Hello {{name}}!</h1>
    <fieldset>
      <label>an example of databinding:</label>
      <br>
      <input type="text" ng-model="name" />
    </fieldset>
  </body>

</html>

/* Put your css in here */