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.html()); //alerts <h1>test</h1>

//
//but I want it to alert    <div id="myDiv"><h1>test</h1></div>
//