docs: function createContentOneRow(row, createFlag, displayFlag) {
      var styleStr = '';
      if (!this.options.autoExpand && row.level > 0 && displayFlag != 'block') {
          styleStr = 'style="display:none"';
      }
  
      var rootObj = row.value;
      var objAry = this.selectRows;
      var re = objCompare(rootObj, objAry);
      var htmlStr = '';
      var classStr = '';
      if (this.options.showTree) {
          if (row.hasChild) {
              classStr += ' u-grid-content-parent-row ';
          } else {
              classStr += ' u-grid-content-leaf-row ';
          }
  
          if (row.level == 0) {
              classStr += ' u-grid-content-level0-row ';
          } else {
              classStr += ' u-grid-content-levelother-row ';
          }
      }
  
      if (re) {
          classStr += 'u-grid-content-sel-row';
      }
      htmlStr = '<tr role="row" class="' + classStr + '" ' + styleStr + '>';
      htmlStr += this.createContentOneRowTd(row, createFlag);
      htmlStr += '</tr>';
      return htmlStr;
  }