table td to array

function tableToArray(table) {
  var data = [];
  for (var row = 0; row < table.rows.length; row++) {
    var tableRow = table.rows[row];
    var rowData = {};
    for (var col = 0; col < tableRow.cells.length; col++) {
      rowData[tableRow.cells[col].getAttribute('data-key')] = tableRow.cells[col].innerHTML;
    }
    data.push(rowData);
  }
  return data;
}