JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li><a href="#" id="HCLink">HEATING & COOLING | </a> 
        <div class="HCContent" style="display:none;">
            <p>Div Content...</p>
        </div>
    </li>
</ul>

JavaScript

$("li").hover(function () {
    $(".HCContent").stop().toggle("slow");
});