Promise_allSettled.js

const promise1 = Promise.resolve('foo');
const promise2 = Promise.reject('bar')
const promises = [promise1, promise2];

Promise.allSettled(promises).
  then((results) => {
    for (const result of results) {
      if (result.status === 'fulfilled') console.log(result.value, 'is fulfilled');
      if (result.status === 'rejected') console.log(result.reason, 'is rejected');
    }
    console.log(JSON.stringify([...results]));
  });
// "foo is fulfilled"
// "bar is rejected"
// "[{"status":"fulfilled","value":"foo"},{"status":"rejected","reason":"bar"}]"