JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li id="item-1">1</li>
    <li id="item-2">2</li>
    <li id="item-3">3</li>
</ul>

JavaScript

var first = $("ul li:first");
var last = $("ul li:last");

first.appendTo(first.parent());
last.prependTo(last.parent());