var element = item.element; var index = this._getItemIndex(this._newItems, element); if(index >= 0){ this._newItems.splice(index, 1); } index = this._getItemIndex(this._deletedItems, element); if(index >= 0){ this._deletedItems.splice(index, 1); } index = this._getItemIndex(this._modifiedItems, element); if(index >= 0){ this._modifiedItems.splice(index, 1); }