JSFiddle - React, Tailwind, and code Playground

JavaScript

jQuery.ajaxSetup({
    success: function(){
        alert('ajaxSetup success');
        throw 'Exceptional case.';            
    }
});

var ajaxOptions = {
    url: 'http://fiddle.jshell.net',
    success: function(){
        alert('success = fn(){} fired');
    }
};

var $xhr = $.ajax(ajaxOptions);
$xhr.success(function(){
    alert('success(fn(){}) fired');
});