JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="list">
<li id="alpha">32</li>
<li id="beta">170</li>
<li id="delta">28</li>
</ul>

JavaScript

listed = document.getElementsByClassName('list')[0];
 
 //console.log(listed);
 
sortList(listed);

function sortList(ul){
    var new_ul = ul.cloneNode(false);
	 console.log(new_ul);
    // Add all lis to an array
    var lis = [];
    for(var i = ul.childNodes.length; i--;){
        if(ul.childNodes[i].nodeName === 'LI')
            lis.push(ul.childNodes[i]);
    }
    console.log(lis);
 
 
}