Q.all, Q.spread quick example

'use strict';
var Q = require('q');


function test(){
        var _test = Q.all([getPromise(1),getPromise(2),getPromise(3)]);
        _test.spread(function(one,two,three){
            console.log("one.."+one);
            console.log("two.."+two);
            console.log("three.."+three);
        })
}
function getPromise(value){
        var deferred = Q.defer();
        setTimeout(function(value){
            let test = Math.random();
            console.log("returning "+ test);
            deferred.resolve(test);
        },2000);
        return deferred.promise;
}
test();