JSFiddle - React, Tailwind, and code Playground

by gigi81

HTML

<script src="http://demo.qooxdoo.org/devel/framework/q-2.2.min.js"></script>
<ul>
  <li>item 0</li>
  <li>item 1</li>
  <li>item 2</li>
  <li>item 3</li>
</ul>

CSS

.even {
  color: red;
}

JavaScript

// remember regarding odd/even: counting begins at 0
q("li").filter(":even").addClass("even");