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CODE EXAMPLE FOR JAVASCRIPT

javascript assigning index number to row in table

var rows = tbl.rows; n = 1;
for (i=0; i<rows.length; i++) {
  row = rows[i];
  f = row.firstElementChild;
  if (f) {
    el = document.createElement(f.tagName);
    el.innerHTML = (f.tagName == "TH") ? "#" : n;
    row.insertBefore(el, f);
    if (f.tagName != "TH") n++;
  }
}
 
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Tagged: #javascript #assigning #index #number #row #table
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