JSFiddle - React, Tailwind, and code Playground

HTML

<div class="foo">foo</div>
<br>
<div class="goo">goo</div>

CSS

div{
    background: #F00;
    width: 40px;
}

JavaScript

$('.foo,.goo').animate({width: '250'}, 'slow',function(){
        console.log($(this));
});