JSFiddle - React, Tailwind, and code Playground

HTML

<div class="mainDiv">
    <p>This is a paragraph</p>
    <div class="innerDiv">This is a div</div>
    This is what I want to wrap 
</div>

CSS

.wrapper {background: coral;}

JavaScript

$($('.mainDiv .innerDiv')[0].nextSibling).wrap('<div class="wrapper"/>');