JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="ulName">
    <li data-sortby="3">three</li>
    <li data-sortby="1">one</li>
    <li data-sortby="2">two</li>
    <li data-sortby="4">four</li>
</ul>

JavaScript

$(document).ready(function() {

var ul = $('ul#ulName'),
    li = ul.children('li');
    
    li.detach().sort(function(a,b) {
        return $(a).data('sortby') - $(b).data('sortby');  
    });
    
    ul.append(li);
});