JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//cdn.datatables.net/1.10.7/css/jquery.dataTables.min.css">
<script src="//cdn.datatables.net/1.10.7/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
<link rel="stylesheet" href="//cdn.datatables.net/plug-ins/1.10.7/integration/bootstrap/3/dataTables.bootstrap.css">
<script src="//cdn.datatables.net/plug-ins/1.10.7/integration/bootstrap/3/dataTables.bootstrap.js"></script>
<table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">
        <thead>
            <tr>
                <th>Name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
            </tr>
        </thead>
 
        <tbody>
            <tr>
                <td>Tiger Nixon</td>
                <td>System Architect</td>
                <td>Edinburgh</td>
                <td>61</td>
                <td>2011/04/25</td>
                <td>$320,800</td>
            </tr>
            <tr>
                <td>Garrett Winters</td>
                <td>Accountant</td>
                <td>Tokyo</td>
                <td>63</td>
                <td>2011/07/25</td>
                <td>$170,750</td>
            </tr>
            
            <tr>
                <td>Ashton Cox</td>
                <td>Junior Technical Author</td>
                <td>San Francisco</td>
                <td>66</td>
                <td>2009/01/12</td>
                <td>$86,000</td>
            </tr>
            <tr>
                <td>Cedric Kelly</td>
                <td>Senior Javascript Developer</td>
                <td>Edinburgh</td>
                <td>22</td>
                <td>2012/03/29</td>
                <td>$433,060</td>
            </tr>
            <tr>
                <td>Airi Satou</td>
                <td>Accountant</td>
               ...

JavaScript

var nTrs = $('#example tbody tr');
    if (typeof document.getElementsByTagName('td')[0] != 'undefined'){
        var iColspan = nTrs[0].getElementsByTagName('td').length;
    }


var oTable = $('#example').dataTable({
    "columnDefs": [
        { "visible": false, "targets": 2 },
        ],
        "order": [[ 2, 'asc' ],[ 0, 'asc' ]],
    "orderFixed": [ 2, 'asc' ],
    "lengthChange": false,
    "scrollY": "200px",
    "scrollCollapse": true,
    "paging": false,
    "info": false,
    
    "drawCallback": function ( settings ) {
        var api  = this.api();
        var rows = api.rows( {page:'current'} ).nodes();
        var last = null;

        api.column(2, {page:'current'} ).data().each( function ( group, i ) {
            if ( last !== group ) {
                $(rows).eq( i ).before(
                    '<tr class="group"><td colspan="'+ (iColspan-1) +'" class="info">' + group + '</td></tr>'
                    );

                    last = group;
                }
            });
        }
});