1. Mozilla
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  3. Browser extensions
  4. JavaScript APIs
  5. tabs
  6. tabs.MutedInfo

tabs.MutedInfo

This object contains a boolean indicating whether the tab is muted, and the reason for the last state change.

Type

Values of this type are objects. They contain the following properties:

extensionId Optional

string. The ID of the extension that last changed the muted state. Not set if an extension was not the reason the muted state last changed.

muted

boolean. Whether the tab is currently muted. Equivalent to whether the muted audio indicator is showing.

reason Optional

tabs.MutedInfoReason. The reason the tab was muted or unmuted. Not set if the tab's muted state has never been changed.

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
MutedInfo
Chrome – Full support
Chrome 46 (Release date: 2015-10-13)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 47 (Release date: 2016-06-07)
footnote Full support
Opera – Full support
Opera 33 (Release date: 2015-10-27)
footnote Full support
Safari – Partial support
Safari 14 (Release date: 2020-09-16)
footnote Partial support
footnote reason and extensionId will not be populated.
Firefox for Android – No support
Firefox for Android
footnote No support
Safari on iOS – No support
Safari on iOS
footnote No support

Tip: you can click/tap on a cell for more information.

Full support
Partial support
No support

Note: This API is based on Chromium's chrome.tabs API. This documentation is derived from tabs.json in the Chromium code.

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