JSFiddle - React, Tailwind, and code Playground
HTML
<table id='tblData' border='1'>
<tr>
<td> Cell 1 </td>
</tr>
<tr>
<td> Cell 2 </td>
</tr>
<tr>
<td> Cell 3 </td>
</tr>
</table>
<br/>
<p></p>
CSS
body
{
font-family: Arial;
font-size: 10pt;
padding : 10px;
}
td
{
padding:5px;
}
JavaScript
$(document).ready(function(){
var str = 'No of children: '
$('p').html(str + $('#tblData').children().children().length);
});