JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.1/js/bootstrap.min.js"></script>
<table>
    <tr>
        <td rel="tooltip" title="Number of calls made to our API">Api Call</td>
    </tr>
</table>

JavaScript

$('[rel=tooltip]').tooltip({
      'placement': 'bottom'
      });