JSFiddle - React, Tailwind, and code Playground
HTML
<div class="main">
<div id="menu">
<ul>
<li><a href="#" class="current">Home</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Jordon</a></li>
</ul>
</div>
</div>
CSS
.current{color: red;}
JavaScript
$(document).ready(function() {
$("#menu li a").click(function (e) {
e.preventDefault();
$("#menu li a").addClass("current").not(this).removeClass("current");
});
});