JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li class="">
    <a href="#">
        <img src="client_logo01.png">
    </a>
</li>

<li class="active">
    <a href="#">
        <img src="client_logo02.png">
    </a>
</li>
    
</ul>

CSS

.active{color:red;}

JavaScript

setInterval(function(){
       var $active = $('ul li.active');
       $active.removeClass('active');
       $active.siblings().addClass('active');
   },2000);