JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td><button class="add-table">Add table</button></td>
    </tr>
    <tr>
        <td><button class="add-table">Add table</button></td>
    </tr>
</table>

JavaScript

$(document).ready(function () {
    $('.add-table').click(function () {
        $(this).after('<table>\
            <tr>\
            <td>New table</td>\
            </tr>\
            </table>');
    });
});