JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="projectItems">
             <li id="item1" value="">First boc</li>
             <li id="item2" value="">Second boc</li>
             <li id="item3" value="">Third boc</li>
             <li id="item4" value="">Fourth  boc</li>
             <li id="item5" value="">Fifth boc</li>
</ul>

JavaScript

$(document).ready(function() {
    $("#projectItems").sortable({
        update : function(event, ui) {
            var order = $(this).sortable('toArray').toString();
            alert(order);

        }
    });
});