JSFiddle - React, Tailwind, and code Playground

HTML

<div id="young"></div>
<div id="youngtxt"></div>

CSS

div {position: relative; height: 200px; width: 200px; background:red; margin: 10px;}

JavaScript

$('#youngtxt').hide();

$('#young, #youngtxt').hover(function() {
    $('#youngtxt').stop(true, true).fadeIn();
}, function(){
    $('#youngtxt').stop(true, true).fadeOut();
});