JSFiddle - React, Tailwind, and code Playground
HTML
<div>
<p class="item">
1
</p>
<p class="item">
2
</p>
<p class="item">
3
</p>
<p class="item">
4
</p>
<p class="item">
5
</p>
</div>
JavaScript
var $last = $('div .item:last');
$last.insertBefore($last.prev());