How to redraw DataTable with new data

Question

I have checked several questions already about this topic here in stackoverflow, but they are all using the old dataTable. I am using DataTable. I populated my DataTable by

Answer 1

datatable.rows().iterator('row', function ( context, index ) {
    var data = this.row(index).data();
    var row = $(this.row(index).node());
    data[0] = 'new data';
    datatable.row(row).data(data).draw();
});