Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="dobController">
  <button ng-click="mapFields()">show result </button>
  {{result}}
</div>

JavaScript

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

function dobController($scope) {
  $scope.mapFields = function() {
    $scope.result = "Code works";
  };
}