Defines zoom settings for a tab: mode, scope, and default zoom factor.
Values of this type are objects. They contain the following properties:
defaultZoomFactor Optional
number. The default zoom level for the current tab. Note that this is only used in tabs.getZoomSettings.
mode Optional
tabs.ZoomSettingsMode. Defines whether zoom changes are handled by the browser, by the extension, or are disabled.
scope Optional
tabs.ZoomSettingsScope. Defines whether zoom changes will persist for the page's origin, or only take effect in this tab.
| 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 | 11045Returns 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