← Back to release summary

Promise rejection tracking events

Category

DOM

Type

New or changed feature

Status

Enabled by default (Chrome 49)

Intent stage

None

Summary

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

Standards & signals

• Specification: https://html.spec.whatwg.org/multipage/webappapis.html#unhandled-promise-rejections
• Firefox: Positive
• Safari: No signal
• Web developers: Positive
• Tracking bug: https://code.google.com/p/chromium/issues/detail?id=495801

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

View on chromestatus.com