JSFiddle - React, Tailwind, and code Playground
by j08691
HTML
<button id="add">Add row</button>
<table>
<tbody id="mytbody"></tbody>
</table>Number of rows: <span id="counter"></span>
JavaScript
$('#add').bind('click', function () {
$('#mytbody').append('<tr><td>' + new Date() + '</td></tr>');
var count = $('#mytbody tr').length;
$('#counter').html(count);
});