JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="navlist">
    <li id="home">Home</li>
</ul>
<ul id="nav_animations">
    <li id="greenHome">Green home</li>
</ul>

CSS

#greenHome {
    display:none;
}

JavaScript

$('#home').hover(function(){
        $('#greenHome').slideToggle('slow');
});