Defines zoom settings for a tab: mode, scope, and default zoom factor.
tabs.ZoomSettings
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 intabs.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
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
ZoomSettings |
38 | 79 | 45 | ? | 25 | No | ? | ? | No | ? | No | ? |
defaultZoomFactor |
43 | 79 | 110
45Returns 1, regardless of the default zoom factor setting. |
? | 30 | No | ? | ? | No | ? | No | ? |
mode |
38 | 79 | 45 | ? | 25 | No | ? | ? | No | ? | No | ? |
scope |
38 | 79 | 45 | ? | 25 | No | ? | ? | No | ? | No | ? |
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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https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/tabs/ZoomSettings