JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test">
    <ul id="list">
        <li></li>
        <li></li>
    </ul>
</div>

<div id="output"></div>

JavaScript

$(document).ready(function () {
    var wrapper = $("<div/>");
    
    $("#list").wrap(wrapper);
    
    $("#output").text($("#list").children().length);
});