JSFiddle - React, Tailwind, and code Playground
HTML
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
</ul>
<div class="aoeu">snth</div>
<button id="replace">Replace</button>
JavaScript
$('#replace').bind('click',function(){
// $('li').replaceWith($('div.aoeu'));
$('div.aoeu').replaceAll('li');
});