The WakeLockSentinel object has a new attribute called `released` that indicates whether a sentinel has already been released. Its value is initially false, and it changes to true once a "release" event is dispatched.

Motivation

The new attribute helps web developers know when a lock has been released so that they do not need to keep track of them manually. See https://github.com/w3c/screen-wake-lock/issues/272 for the original discussion.

Specification

Specification link


Specification being incubated in a Community Group

Status in Chromium

Blink>WakeLock


Enabled by default (tracking bug)

Consensus & Standardization

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

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Owner

Last updated on 2021-06-19