JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="test">
    <li id="4112">blub</li>
    <li id="1422">blaaah</li>
    <li id="6640">hmmmm</li>
    <li id="2221">one more</li>
</ul>

JavaScript

$(function(){
    var elems = $('#test').children('li').remove();
    elems.sort(function(a,b){
        return parseInt(a.id) > parseInt(b.id);
    });
    $('#test').append(elems);
});