JSFiddle - React, Tailwind, and code Playground

HTML

<!-- example of jQuery().each() -->
<ul>
	<li>monday</li>
	<li>tuesday</li>
	<li>wednesday</li>
	<li>thursday</li>
	<li>friday</li>
	<li class="weekend">saturday</li>
	<li class="weekend">sunday</li>
</ul>

JavaScript

jQuery('li').each(function() {
  jQuery(this).css('background-color','yellow');
});

jQuery('li.weekend').each(function() {
  jQuery(this).css('color','red');
});