gistfile1.js

var p1 = new Promise((resolve, reject) => { 
  setTimeout(resolve, 1000, 'p1_delayed_resolvement'); 
}); 

var p2 = new Promise((resolve, reject) => {
  reject(new Error('p2_immediate_rejection'));
});

Promise.all([
  p1.catch(error => { return error }),
  p2.catch(error => { return error }),
]).then(values => { 
  console.log(values[0]) // "p1_delayed_resolvement"
  console.log(values[1]) // "Error: p2_immediate_rejection"
})