Promise rejection tracking events

Introduces a pair of events on the global objects, unhandledrejection and rejectionhandled, for tracking promise rejections.

Comments

Compare with Node.js: https://nodejs.org/api/process.html#process_event_unhandledrejection

Demos

• https://googlechrome.github.io/samples/promise-rejection-events/index.html
• https://jsbin.com/vewagenoku/edit?html%2Coutput

Specification

Established standard

Status in Chromium

Blink components: Blink

Enabled by default (launch bug) in:

• Chrome for desktop release 49
• Chrome for Android release 49
• Android WebView release 49
• Opera release 36
• Opera for Android release 36

Consensus & Standardization

• Firefox: Public support
• Edge: No public signals
• Safari: No public signals
• Web Developers: Positive

Owners

• jochen@chromium.org
• domenic@chromium.org

Last updated on 2017-06-14