Node.js Harmony

result.txt

node --harmony test.js
p1 callback
p3 callback
this is p1

test.js

"use strict";

var p1 = new Promise((resolve, reject) => {
	console.log("p1 callback");
    resolve("this is p1");
});

var p2 = Promise.reject(2);

var p3 = new Promise((resolve, reject) => {
	console.log("p3 callback");
    resolve("this is p3");
});


var p4 = Promise.race([p1, p2, p3]);

p4
    .then(
        (value) => {
            console.log(value);
        },
        (error) => {
            console.log(error);
        }
    );