createTable(colCount, rowCount, options) {
    const tds = [];
    let tdHTML;
    for (let idxCol = 0; idxCol < colCount; idxCol++) {
      tds.push('<td>' + dom.blank + '</td>');
    }
    tdHTML = tds.join('');

    const trs = [];
    let trHTML;
    for (let idxRow = 0; idxRow < rowCount; idxRow++) {
      trs.push('<tr>' + tdHTML + '</tr>');
    }
    trHTML = trs.join('');
    const $table = $('<table>' + trHTML + '</table>');
    if (options && options.tableClassName) {
      $table.addClass(options.tableClassName);
    }

    return $table[0];
  }
create empty table element

@param {Number} rowCount
@param {Number} colCount
@return {Node}