JavaScript Promise.allSettled()

Definition and Usage

Promise.allSettled() Methods return a single Promise from a set of Promises, when all Promises are completed (either successfully or failed).

Instance

// Create a Promise
const myPromise1 = new Promise((resolve, reject) => {
  setTimeout(resolve, 200, "King");
});
// Create another Promise
const myPromise2 = new Promise((resolve, reject) => {
  setTimeout(resolve, 100, "Queen");
});
// Handle all Promises
Promise.allSettled([myPromise1, myPromise2]).then((results) =>
  results.forEach((x) => myDisplay(x.status))
);

Try it yourself

Syntax

Promise.allSettled(iterable)

Parameter

Return value

Browser Support

Promise.allSettled() Supported in all modern browsers since March 2020: