jaydson/promises.4.js

## promises.4.js
Promise.all([
  new Promise((resolve, reject) => {}),
  new Promise((resolve, reject)=>{}),
  new Promise((resolve, reject)=>{})
])
.then(result => {
  console.info('Ok');
})
.catch(reason => {
  console.warn('Failed!', reason);
});
	Promise.all([
	new Promise((resolve, reject) => {}),
	new Promise((resolve, reject)=>{}),
	new Promise((resolve, reject)=>{})
	])
	.then(result => {
	console.info('Ok');
	})
	.catch(reason => {
	console.warn('Failed!', reason);
	});