JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <div>1</div>
    <div>2</div>
    <div>3</div>
    <h3>Not needed</h3>
</div>

JavaScript

// Create a wrapper
var newDiv = $('<div>');

// Move all divs from #container to the wrapper
newDiv.append($('#container').find('div'));