← Back to release summary

Array.fromAsync

Category

JavaScript

Type

Chromium catches up

Status

Enabled by default (Chrome 121)

Intent stage

Dev trials

Summary

Array.fromAsync is the async version of Array.from. It takes async iterables, iterates them, and collects the results into an array.

Motivation

Array.from is popular and only works for synchronous iterables. This fills the gap for asynchronous iterables.

Standards & signals

• Specification: https://tc39.es/proposal-array-from-async
• Firefox: Positive — This is a TC39 Stage 3 proposal.
• Safari: Positive — This is a TC39 Stage 3 proposal.
• Web developers: Positive — Seems positive, lots of likes on Twitter.
• Tracking bug: https://bugs.chromium.org/p/v8/issues/detail?id=13321

Explainers: https://github.com/tc39/proposal-array-from-async

View on chromestatus.com