javascript实现的listview效果

                 for (var i = 0; i < headers.length; i ++) {
                      if (headers[i] == separate) {
                          var _bool = true;
                          _bool = _bool && (_movePart < 0);
                          _bool = _bool && (parseInt(headers[i - 1].style.width) < Math.abs(_movePart));
                          if (_bool) {
                              headers[i - 1].style.width = 0;
                              items[i - 1].style.width = 0;
                          } else {
                              _width = parseInt(headers[i - 1].style.width);
                              headers[i - 1].style.width = _width + _movePart;
                              _width = parseInt(items[i - 1].style.width);
                              items[i - 1].style.width = _width + _movePart;
                              _width = parseInt(items[i - 1].firstChild.style.width);