JSFiddle - React, Tailwind, and code Playground

HTML

<div id="myDiv">

            <div>test</div>
            <div>test</div>
            <div>test</div>
            <div>test</div>
            <div>test</div>
            <div>test</div>
            <div>test</div>

        </div>

JavaScript

var s = $('#myDiv').html('<h1>test</h1>');
alert(s.parent().html());