JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.1.min.js"></script>
<ul>
  <li>Alerg</li>
  <li>Laud</li>
  <li>Reusesc</li>
</ul>
<a>Change color</a>

JavaScript

$('a').on('click', function(e){
 e.preventDefault();
  var colors = ['#0071bc', '#ff00ff', '#fcee21', '#39B54A', '#00A99D', '#662D91'];
	$('li').each(function() {
	    $(this).css('color', colors[Math.floor(Math.random() * colors.length)]);
	});
})