JSFiddle - React, Tailwind, and code Playground

by magizter

HTML

<ul>

<li><a href="#"><span class="menubutton">menu1</span></a></li>
<li><a href="#"><span class="menubutton">menu2</span></a></li>
<li><a href="#"><span class="menubutton">menu3</span></a></li>

</ul>

CSS

.contactmenu {background-color:#FF0000;color:#fff}

JavaScript

$(document).ready(function(){
 $("span.menubutton:last").addClass('contactmenu');
     });