JSFiddle - React, Tailwind, and code Playground
HTML
<ul class="nav">
<li class="active"><a>Link 1</li>
<li><a>Link 2</li>
<li><a>Link 3</li>
</ul>
CSS
ul.nav a { cursor: pointer; }
.active { color:#f00;font-weight:bolder; }
JavaScript
$(function() {
$( 'ul.nav li' ).on( 'click', function() {
$( this ).parent().find( 'li.active' ).removeClass( 'active' );
$( this ).addClass( 'active' );
});
});