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Defines whether zoom changes will persist for the page's origin, or only take effect in this tab. This defaults to per-origin when tabs.zoomSettingsMode is "automatic", and is always per-tab otherwise.
Type
Values of this type are strings. Possible values are:
- "per-origin"
- All other tabs with the same origin as this tab will have the zoom changes applied to them. This scope is only available if
tabs.zoomSettingsModeis "automatic". - "per-tab"
- Zoom changes only take effect in this tab, and zoom changes in other tabs will not affect the zooming of this tab. Also,
per-tabzoom changes are reset on navigation; navigating a tab will always load pages with theirper-originzoom factors.
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Chrome | Edge | Firefox | Firefox for Android | Opera | |
|---|---|---|---|---|---|
| Basic Support | Yes | No | 45.0 | No | 33 |
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.
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