JSFiddle - React, Tailwind, and code Playground

HTML

<div id="div1">hover over me</div>
<div id="div2">
    <ul>
        <li><a href='Google.com'>Google</a></li>
        <li><a href='Google.com'>Yahoo</a></li>
        <li><a href='Google.com'>AOl</a></li>
    </ul>
</div>

CSS

#div2 {
    width: 200px;
    height: 200px;
    background: red;
    display: none;
}

JavaScript

$(function() {
$('#div1').hover(function() { 
    $('#div2').fadeIn(); 
}, function() { 
    $('#div2').fadeOut(); 
});
});