JS: Promise (class)

By Xah Lee. Date: 2026-10-13. Last updated: 2026-10-14.

(new in ECMAScript 2015)

work in progress

Properties

JS: Promise.prototype

Promise.all
Promise.race
Promise.reject
Promise.resolve

JS: ECMAScript 2020
Promise.allSettled

JS: ECMAScript 2021
Promise.any