JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrap">
<div id="animateMe"><div>
</div>

CSS

#wrap{
position: relative;
width: 100px;
height: 100px;
}
#animateMe{
    position: absolute;
    right:0px;
    bottom: 0px;
background-color: red;
width: 0px;
height: 0px;
}

JavaScript

$('#animateMe').animate({height:'100px',width:'100px'},'slow');