JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test">
    <div class="test2">blah blah</div>
    <div id="test3">blah blah</div>
    <div id="test4">
        <div class="test2">blah</div>
    </div>
</div>
<button>Call remove() on paragraphs</button>

JavaScript

$("button").click(function () {
    $(".test2").not().siblings().unwrap();
});