var portfolioTable = $('.widget_portfolio_details .port_folio_expandview_table').dataTable({
'paging': false,
'searching': false,
"info": false,
"scrollCollapse": true,
"scrollY": 600px,
"scrollCollapse": true,
"aoColumnDefs": [{
"bSortable": false,
"aTargets": [1, 2, 3],
}],
"aaSorting": []
});
Source: jquery