How we built it

Page Visibility API

Provides an API to ask whether the current tab is visible or not. If you, you might want to throttle back action or set an idle state.

Comments

First available in Chrome 13, unprefixed in Chrome 33

Demo

Documentation

Specification

Established standard

Status in Chromium

Enabled by default (launch bug) in:

  • Chrome for desktop release 33
  • Opera release 20
  • Opera for Android release 20

Consensus & Standardization

Owners

Last updated on 2015-05-15