text: (function(angular) {
    'use strict';
  angular.module('scopeExample', [])
    .controller('MyController', ['$scope', function($scope) {
      $scope.username = 'World';
  
      $scope.sayHello = function() {
        $scope.greeting = 'Hello ' + $scope.username + '!';
      };
    }]);
  })(window.angular);