Allows a developer to specify whether a notification should play sound, light, and vibrate alerts again when the notification replaces another notification which is currently displayed.

Demo

Documentation

Specification

Established standard

Status in Chromium

Blink


Enabled by default (tracking bug) in:

  • Chrome for desktop release 50
  • Chrome for Android release 50

Consensus & Standardization

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

  • Positive
  • No signal
  • No signal
  • No signals

Owner

Last updated on 2020-11-09