JSFiddle - React, Tailwind, and code Playground

HTML

<div class="click">click me</div>

<div class="showup">something I want to show</div>

CSS

body{margin:50px;}

.showup{width:100px;height:100px; background:red; display:none;}
.click{cursor:pointer;}

JavaScript

$(document).ready(function(){
    $('.click').click(function(){
         $(".showup").slideToggle("fast");
    });
    
});