Unhandled exceptions trigger the 'window.onerror' callback (or 'self.onerror' inside Workers) for centralized handling.


Established standard

Status in Chromium


Enabled by default in:

  • Chrome for desktop release 10
  • Chrome for Android release 18
  • Chrome for iOS release 18

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.


Last updated on 2020-11-09