JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.0.0-alpha1.js"></script>
<div id="Test">test</div>
<div id="Test2">click</div>

CSS

#Test{display:none;}

JavaScript

$(document).ready(function () {

    $('#Test2').click(function () {

        $('#Test').show();

    });
});