JSFiddle - React, Tailwind, and code Playground

HTML

<div class="myClass">First</div>
<div class="myClass">Second</div>
<div class="myClass">Third</div>
<div class="myClass">Fourth</div>
<div class="myClass">Fifth</div>

CSS

#wrapper {
    border: 2px solid green;
	color: brown;
}

JavaScript

var wrapper = document.createElement('div'),
    myClass = document.getElementsByClassName('myClass');

myClass[0].parentElement.appendChild(wrapper);
wrapper.id = 'wrapper';

for (var len = myClass.length - 1; len >=0; --len) {
    wrapper.insertBefore(myClass[len], wrapper.firstChild);
}