src/lib/thirdparty/filtertable.js
function getCellsNb (id,nrow) {
    let t = document.getElementById(id);
  let tr;
  if(nrow == undefined) tr = t.getElementsByTagName("tr")[0];
  else  tr = t.getElementsByTagName("tr")[nrow];
  let n = getChildElms(tr);
  return n.childNodes.length;
}
function getCellsNb (id,nrow) {
    let t = document.getElementById(id);
  let tr;
  if(nrow == undefined) tr = t.getElementsByTagName("tr")[0];
  else  tr = t.getElementsByTagName("tr")[nrow];
  let n = getChildElms(tr);
  return n.childNodes.length;
}
/*====================================================
- returns number of cells in a row
- if nrow param is passed returns number of cells
of that specific row
=====================================================