JSFiddle - React, Tailwind, and code Playground
HTML
<a>click</a>
<div>Lorem ipsum dolor sit amet</div>
CSS
div {
background-color: #ddd;
color: #444;
margin: 5px;
padding: 5px 10px;
display: hidden;
}
JavaScript
jQuery("a").click(function(){
jQuery(this).find("div").fadeIn('slow');
});