JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/html5sortable/0.2.2/html.sortable.js"></script>

<ul class="sortable grid">
    <li id="1">1</li>
    <li id="2">2</li>
    <li id="3">3</li>
</ul>

JavaScript

var $sortable = $('.sortable');
$sortable.sortable().bind('sortupdate', function() {
    var ids = $sortable.find('li').map(function(idx, item){
        return item.id        
    }).toArray();
    
    
});