for (var _iterator3 = file.previewElement.querySelectorAll("[data-dz-name]"), _isArray3 = true, _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
              var _ref3;

              if (_isArray3) {
                if (_i3 >= _iterator3.length) break;