Add-ons

tabs.ZoomSettings

Defines zoom settings for a tab: modescope, and default zoom factor.

Type

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

defaultZoomFactorOptional
number. The default zoom level for the current tab. Note that this is only used in tabs.getZoomSettings.
modeOptional
tabs.ZoomSettingsMode. Defines whether zoom changes are handled by the browser, by the extension, or are disabled.
scopeOptional
tabs.ZoomSettingsScope. Defines whether zoom changes will persist for the page's origin, or only take effect in this tab.

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic support Yes No45 No Yes

Acknowledgements

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

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

Contributors to this page: andrewtruongmoz, Jeremie, wbamberg
Last updated by: andrewtruongmoz,