JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li class="trigger">Trigger 1</li>
</ul>
<a class="trigger">Trigger 2</a>

<div style="height: 400px; width: 400px; background-color:red;" class="contact-container"></div>

JavaScript

$(document).ready(function() {
    $('.trigger').on('click', function(e) {
       e.preventDefault();
        $('.contact-container').slideToggle('fast');
    });
});