JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Hello</h1>

<p>A paragraph.</p>

<button id="buttonthing">Click me and I'll show a HTML source code below!</button>

<div id="thediv"></div>

JavaScript

$("#buttonthing").click(function () {
    $.ajax({
        //Here you'd put the URL to the file, e.g. http://yourdomain.com/file.txt
        //I can't access external URLs in jsFiddle AJAX
       url: '/echo/html',
       success: function(data){
           //We would use the below to diplay the data from the fetched file
           //$("#thediv").text(data);
           //But as we are fetching a blank document, let's use some hard-coded instead.
           $("#thediv").text('<html><head><title>Hello!</title></head></html>')
       },
       error: function(error){
           alert('Uh oh, some error occurred.');   
       }
    });
});