ngRepeat

{{item.content}}
        
  // HTML:
  <div class='containerVertical'>
    <div ng-repeat="item in items">
      {{item.content}}
    </div>
  </div>

  // JS:
  dragularService($element.children());
  $scope.items = [{
    content: 'Try to add or remove some elements (click on +- buttons), you will see that it is not problem for dragular.'
  },{
    content: 'Item 2'
  },{
    content: 'Item 3'
  },{
    content: 'Item 4'
  }];