JSFiddle - React, Tailwind, and code Playground

HTML

<div id="header">
    <div id="display-one"><a href="#">Dispay One</a></div>
</div>

<div id="display-two">
<p><a href="#">Display Two</a></p>
<h3>
<div id="back">
<a href="#">back</a>
</div>
</h3>
</div>

CSS

#display-two {
    display: none;
}

JavaScript

$(document).ready(
    function() {
        $("#display-one").click(function() {
            $("#display-two").fadeToggle();
            $("#display-one").fadeToggle();
        });
    });