ng-repeat keep order

gistfile1.txt

<div ng-controller="example">
  <div ng-repeat="key in notSorted(data)" ng-init="value = data[key]">
    <pre>
      key: {{key}}
      value: {{value}}
    </pre>          
  </div>
</div>

<script>
  angular
    .module('test', [])
    .controller('example', ['$scope', function ($scope) {
      $scope.data = {
          'key4': 'data4',
          'key1': 'data1',
          'key3': 'data3',
          'key2': 'data2',
          'key5': 'data5'
      };
  
      $scope.notSorted = function(obj){
        if (!obj) { return []; }
        return Object.keys(obj);
      }
    }]);
</script>