Why variables defined in controller does not update within a directive?

[codef0rmer]

I just noticed this issue while updating/mutating objects/variables defined in a controller by a directive in the same scope. Whats missing? 

Demo: http://jsfiddle.net/codef0rmer/jMUaN/

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

      App.controller('oneCtrl', function($scope, $timeout) {
        $scope.list1 = {'name': 'AngularJS'};
        $scope.list2 = [{name: 'AngularJS'}];
      
        $scope.emptyMe = function() {
          $scope.list1 = {};
          $scope.list2.length = 0;
        };
      });
        
      App.directive('fubar', function() {
          return {
            restrict: 'A',
            link: function(scope, element, attrs) {
              var update = function(newValue, oldValue) {
                $(element).unbind('click').click(function() {
                   scope.list1 = {};
                   scope.list2.length = 0;
                });
              };
              update();
            }
          };
        });

[Pawel Kozlowski]

Hi!

Classic one - you are missing scope.$apply while doing changes outside
of the AngularJS world (DOM event handler)
Here is the working jsFiddle: http://jsfiddle.net/Etb9d/

I can almost hear Witold mentioning something about the documentation :-)
But seriously, going over scope and directives documentation would
help you getting up to speed...

BTW: you really don't need jQuery for such simple manipulations.

Cheers,
Pawel

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[codef0rmer]

Oh Yeah. I'd already used $timeout instead of $apply... just forgot to add it in jsfiddle demo. I resolved the issue by using 

  scope.$parent.list1 = {} along with scope.list1 = {}.

Unfortunately I could not reproduce it for jsfiddle demo.