JSFiddle - React, Tailwind, and code Playground

JavaScript

var _orgAjax = jQuery.ajaxSettings.xhr;

jQuery.ajaxSettings.xhr = function () {
    var xhr = _orgAjax();
    xhr.onreadystatechange = function() {
        if( xhr.readyState == 4 ) {
             $("div").html("Done");
        }
    }
    return xhr;
};
$(function(){
    $("<div>Loading</div>").appendTo($("body"));
    var anticache = "?anticache=" + new Date().getTime();
        $.ajax({
        url: "http://fiddle.jshell.net",
        error: function() {
            console.log("error");
        }
    });
});