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Promise.try

Category

JavaScript

Type

Chromium catches up

Status

Enabled by default (Chrome 128)

Intent stage

None

• Breaking change: No
• Enterprise impact: None
• Chromium flag: --js-promise-try
• Spec maturity: Working draft
• Web Platform Tests: Yes

WPT details: Test262: https://github.com/tc39/test262/tree/main/test/built-ins/Promise/try

Summary

Promise.try is a new static method. `Promise.try(f)` is shorthand for `new Promise(resolve => resolve(f()))`.

Motivation

This is a TC39 proposal. See https://github.com/tc39/proposal-promise-try for motivation.

Standards & signals

• Specification: https://tc39.es/proposal-promise-try
• Firefox: Positive — This is a Stage 3 TC39 proposal.
• Safari: Positive — This is a Stage 3 TC39 proposal.
• Web developers: No signals

Ecosystem

• Web Platform Tests: https://wpt.fyi/results/?q=test%2Fbuilt-ins%2FPromise%2Ftry
• Chrome Platform Showcase: https://chrome-platform-showcase.paulkinlan-ea.deno.net/features
• GenDN reference: https://gendn.paulkinlan-ea.deno.net/features
• chrome.dev demos search: https://www.google.com/search?q=site%3Achrome.dev+Promise.try
• MDN Web Docs: https://developer.mozilla.org/en-US/search?q=Promise.try
• Baseline status: https://webstatus.dev/?q=Promise.try

View on chromestatus.com