As HTML spec extended MessageEvent to allow ServiceWorker as a type of the source attribute, client.postMessage(message, transfer) and creation of custom message events are changed to use MessageEvent instead of ServiceWorkerMessageEvent. ServiceWorkerMessageEvent is removed.

Specification

Specification link


Specification being incubated in a Community Group

Status in Chromium

Blink>ServiceWorker


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 2020-11-09