JAVASCRIPT

datatable set row id

var table = $("#tablid").DataTable(); 
var row = table.row("[id='"+id+"']");
 row.row("[id='" + id + "']").data([x0, x1, x2, x3]);
 row.draw();

datatables add row with id

const t = $('#myTable').DataTable();
t.row.add( [ ... ] ).node().id = 'myId';
t.draw( false );