JSFiddle - React, Tailwind, and code Playground

by scheda

HTML

<table>
    <tr>
        <td><button class='clicky'>Add stuff</button></td>
    </tr>
</table>

JavaScript

var b = document.querySelector('.clicky')
var table = document.querySelector('table');
var insert_this = '<tr><td><input type="text" placeholder="Look ma!"/><button class="clicky">Add more stuff</button></td></tr>';

document.querySelector('body').addEventListener('click', function(e) {
    if (e.target.className === 'clicky') {
        table.innerHTML += insert_this;
    }
});