JSFiddle - React, Tailwind, and code Playground
HTML
<div class="demo">
<ul id="draggable">
<li class="ui-state-default"><span class="ui-icon ui-icon-arrowthick-2-n-s"></span><img src="http://scratch.mit.edu/forums/img/sb_no_nums/move_steps.png" alt="move () steps" /></li>
</ul>
<br /><br /><br />
<hr />
<ul id="hat"><li><img src="http://scratch.mit.edu/forums/img/sb_no_nums/whengreenflagclicked.png" alt="when green flag clicked" /></li>
<ul id="sortable">
<li></li>
</ul>
</ul>
</div>
CSS
#sortable { list-style-type: none; margin: 0; padding: 0; width: 60%; }
#sortable li { margin: 0; padding:4px; height: 18px; }
#sortable li span { position: absolute; margin-left: -1.3em; }
JavaScript
$(function() {
$( "#sortable" ).sortable({
revert: true
});
$( "#draggable" ).draggable({
connectToSortable: "#sortable",
helper: "clone",
revert: "invalid"
});
$( "#hat" ).draggable();
$( "ul, li" ).disableSelection();
});