JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li class="items">Test2</li>
    <li class="items">Test3</li>
</ul>

JavaScript

var clonedItems = $(".items").clone();
clonedItems = clonedItems.before('<li>Test1</li>');
clonedItems = clonedItems.before('<li>Test0</li>');
console.log(clonedItems);