JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//code.jquery.com/jquery-1.12.3.js"></script>
<script src="https://cdn.datatables.net/1.10.12/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.12/css/jquery.dataTables.min.css">
<div class="container">
<table id="myTable">
        <thead>
            <tr>
                <th>Name</th>
                <th>Position_really_really_really_really_really_really_non_breakable_heading</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
            </tr>
        </thead>
        <tfoot>
            <tr>
                <th>Name</th>
                <th>Position_really_really_really_really_really_really_non_breakable_heading</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
            </tr>
        </tfoot>
        <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 Senior Javascript Developer Senior Javascript Developer</td>
                <td>Edinburgh</td>
                <td>22</td>
                <td>2012/03/29</td>
                <td>$433,060</td>
   ...

CSS

.container{
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem;
  border: 1px solid #aaa;
}
#myTable {
  table-layout: fixed;
  width: 100% !important;
}
#myTable td,
#myTable th{
  width: auto !important;
  white-space: normal;
  text-overflow: ellipsis;
  overflow: hidden;
}

JavaScript

$(document).ready(function() {
    var table = $('#myTable').DataTable( {
    		"paginate":		false,
        "autoWidth":	true
    });
    table.columns.adjust().draw();
} );