JSFiddle - React, Tailwind, and code Playground

HTML

<button id = "reveal">
Reveal
</button>

<ul class = "menu">
<li><a href = "#">Test</a></li>
</ul>

CSS

.menu {
  display:none;
}

.show {
  display:block !important;
}

JavaScript

$('#reveal').on('click', function() {
  $(".menu").toggleClass('show');
});

$('.menu li a').on('click', function() {
  $(".menu").toggleClass('show');
});