docs: function createContentOneRowForIE(table, index, rowObj, createFlag, displayFlag) {
      var row = table.insertRow(index + 1);
      row.setAttribute("role", "row");
      if (!this.options.autoExpand && rowObj.level > 0 && displayFlag != 'block') {
          row.style.display = 'none';
      }
  
      if (this.options.showTree) {
          if (row.hasChild) {
              $(row).addClass('u-grid-content-parent-row');
          } else {
              $(row).addClass('u-grid-content-leaf-row');
          }
  
          if (row.level == 0) {
              $(row).addClass('u-grid-content-level0-row');
          } else {
              $(row).addClass('u-grid-content-levelother-row');
          }
      }
  
      this.createContentOneRowTdForIE(row, rowObj, createFlag);
  }