JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://jquery-json.googlecode.com/files/jquery.json-2.2.min.js"></script>

JavaScript

(function (send) {
    
    XMLHttpRequest.prototype.send = function () {
        
       /* var rsc = this.onreadystatechange;
        
        if (rsc) {

            this.onreadystatechange = function () {
                
                console.log('change');
                
                return rsc.apply(this, arguments);
            };
        } */
        
        this.addEventListener('readystatechange', function() {
            
            console.log('readyState changed');
            
        }, false);
        
        send.apply(this, arguments);
    };
    
})(XMLHttpRequest.prototype.send);

$.ajax({
    url:"/echo/json/",
    success:function(){
      
    }
});