code: function tableDoesNotHaveHeaderColumn(rows) {
          for (var i = 0; i < rows.length; i++) {
              if (rows[i].children[0].tagName != 'TH') {
                  return true;
              }
          }
          return false;
      }
docs: Checks for a header column in a table.
  
  @param {NodeList} rows tr elements
  @returns {boolean} Table does not have a complete header column