<script>

var Tabulator = require('tabulator-tables');
$("#download_csv").click(function () {
    var table = new Tabulator("#extable", {

    });

    table.download("csv", "data.csv");
});

</script>

var extable = new Tabulator("#extable", {
                pagination: "local",
                paginationSize: 15,
                layout: layoutPlan,
                resizableColumns: true,
                tooltips: true,
                selectable: true,
                tooltipsHeader: true,
                groupToggleElement: "header",
                groupBy: t_groupBy,
                initialSort: t_initialSort,
                groupClosedShowCalcs: true,
                columns: t_columns,
                paginationSizeSelector:[15, 25, 50, 100]

            });

            extable.setData(report_results);