JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>Item 1</li>
    <li>Item 2</li>
    <li>Item 3</li>
    <li>Item 4</li>
    <li>Item 5</li>
</ul>

JavaScript

$.fn.reverse = [].reverse;
$("ul > li").reverse().each(function (i) {
    $(this).text( 'Item ' + (++i));
});