JSFiddle - React, Tailwind, and code Playground

HTML

<div id="myDiv"></div>

JavaScript

var xmlhttp = new XMLHttpRequest();
document.getElementById("myDiv").innerHTML += xmlhttp.readyState + "<br/>";
xmlhttp.onreadystatechange = function() {
  document.getElementById("myDiv").innerHTML += xmlhttp.readyState + "<br/>";
}
xmlhttp.open("GET", "example.com", true);
xmlhttp.send();