JSFiddle - React, Tailwind, and code Playground

HTML

<li><a href="#" class="about-link">About&nbsp;Us</a></li>
<div class="bdy"></div>

JavaScript

$('.about-link').click(function() {
    // body...
//$('.bdy').load('http://www.jhsoftech.com' );
$('.bdy').html('<iframe sandbox="allow-scripts"  style="width:100%;height:435px;" src="http://www.erail.in"><iframe>');
})