JSFiddle - React, Tailwind, and code Playground

HTML

<div id="myDiv">
    <img src="http://placekitten.com/g/200/200" />
</div>
<input type="button" id="mybutt" value="Go" />

JavaScript

var md = $('#myDiv');

$('#mybutt').click(function(){
    $(md + ' img').fadeOut(2000);
});