This post shows you how to add a class name to jquery.datatables

datatables add class to tr

To add a class to the row

For example:

$('#table').dataTable( {
  "createdRow": function( row, data, dataIndex ) {

$('tr', row) will search for a tr element inside the row provided as context parameter. If you want to add a class to row with conditionally based on the row's data.

$('#table').dataTable( {
  "createdRow": function(row, data, dataIndex ) {
    if (data[4] == "X" ) {
      $(row).addClass('text-95 text-secondary');
} );