// `delay`毫秒后执行resolve
function timerPromisefy(delay) {
    return new Promise(function (resolve) {
        setTimeout(function () {
            resolve(delay);
        }, delay);
    });
}
var startDate = Date.now();
// 所有promise变为resolve后程序退出
Promise.all([
    timerPromisefy(1),
    timerPromisefy(32),
    timerPromisefy(64),
    timerPromisefy(128)
]).then(function (values) {
    console.log(Date.now() - startDate + 'ms');
    // ~128ms
    console.log(values);    // [1,32,64,128]
});