docs: function _createTheadOrTbodyHtml(trs, wrapperNodeName) {
    let html = '';
  
    if (trs.length) {
      html = trs.map(tr => {
        const tdHtml = tr.map(_createCellHtml).join('');
  
        return `<tr>${tdHtml}</tr>`;
      }).join('');
      html = `<${wrapperNodeName}>${html}</${wrapperNodeName}>`;
    }
  
    return html;
  }