JSFiddle - React, Tailwind, and code Playground

HTML

<a class="iframe" href="http://microsoft.com">Microsoft</a>
<a class="iframe" href="http://google.com">Google</a>
<iframe id="oPanel"></iframe>

CSS

#oPanel {
    height: 300px;
    width: 99%;
    border: 1px solid black
}

JavaScript

$('a').click(function(){
    $('#oPanel').attr('src',$(this).attr('href'));
    return false;
});