JSFiddle - React, Tailwind, and code Playground
by gchoken
HTML
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
</ul>
JavaScript
$(function(){
$('ul li:not(:nth-child(3n))').text('new');
});