JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="brandListing">
    <li><a href="http://www.yamaha.com/band/">Yamaha</a>
    </li>
    <li><a href="http://www.gibson.com">Gibson</a>
    </li>
</ul>
<iframe id="embeddedBrandWebsite" src=""></iframe>

JavaScript

$(document).ready(function(){
    $('#brandListing a').click(function(ev){
        ev.preventDefault();
        $('#embeddedBrandWebsite').attr('src', ev.target.href);
    });
});