Sum all the values in a given column of an HTML table usign old and good js

function sumTableCells(tableId,cellIndex) {
  var table = document.getElementById(tableId);
  debugger;
  let subTotal = Array.from(table.rows).reduce((total, row) => {
    const textContent = row?.cells[cellIndex]?.textContent
    return total + textContent ? parseInt(textContent.split(" ")[1].replace(",",".")) : 0
  }, 0);
  return subTotal
}
sumTableCells("table",5)