JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" class="clickme" value="Click Me"/>
<div class="container">
    
</div>

CSS

div{border:thin solid #F00;}
.container{width:500px;height:100px;padding:20px;}
.dv{ display:none; }

JavaScript

$('.clickme').live('click',function(){
    $('.container').append('<span class="dv">hello</span>');
    $('.dv').fadeIn('slow');
});