JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="ul">
  <li class="item">yes</li>
  <li>no</li>
  <li class="item">yes</li>
  <li>
    <ul>
      <li class="item">no</li>
    </ul>
  </li>
</ul>

JavaScript

var ul = $('ul');
var items = ul.childElements().grep(new Selector('li.item'));
items.invoke('setStyle', { color: 'red' });