Fire VisibilityChange event on document unloading

visibilitychange event should fire as part of unload process and document.visibilityState should report 'hidden'.


Editor's draft

Status in Chromium


Enabled by default (launch bug) in:

  • Chrome for desktop release 56
  • Chrome for Android release 56
  • Opera release 43
  • Opera for Android release 43

Consensus & Standardization

  • Shipped
  • Public support
  • No public signals
  • No signals


Last updated on 2017-08-07