JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = {
    json: JSON.stringify({
        text: 'some text',
        array: [1, 2, 'three'],
        object: {
            par1: 'another text',
            par2: [3, 2, 'one'],
            par3: {}
        }
    }),
    delay: 3
};

var firstRequest =  $.ajax({
    url:'/echo/json/',
    data: data,
    type: 'POST'
});

var secondRequest =  $.ajax({
    url:'/echo/json/',
    data: data,
    type: 'POST'
});

$.when.apply($, [firstRequest, secondRequest]).done(function(data1, data2){
    console.log(data1); // returns promise, I expect a response object
    console.log(data2); 
});