my first clock watch app using angular

gistfile1.txt

<script>
    var myApp = angular.module('myApp', []);
    myApp.controller("myFirst", function($scope){
      $scope.clock = new Date();
      var updateClock = function(){
        $scope.clock = new Date();
      }
      setInterval(function(){
        $scope.$apply(updateClock);}, 1000);
      updateClock();               
                     });
  </script>