Sets the zoom settings for a specified tab, which define how zoom changes are handled. These settings are reset to defaults upon navigating the tab.
Syntax
browser.tabs.setZoomSettings( tabId, // optional integer zoomSettings, // ZoomSettings function() {...} // optional function )
Parameters
tabId
Optionalinteger
. The ID of the tab to change the zoom settings for; defaults to the active tab of the current window.zoomSettings
tabs.ZoomSettings
. Defines how zoom changes are handled and at what scope.Values of this type are objects. They contain the following properties:
mode
Optionaltabs.ZoomSettingsMode
. Defines how zoom changes are handled, i.e. which entity is responsible for the actual scaling of the page; defaults toautomatic
.scope
Optionaltabs.ZoomSettingsScope
. Defines whether zoom changes will persist for the page's origin, or only take effect in this tab; defaults toper-origin
when inautomatic
mode, andper-tab
otherwise.defaultZoomFactor
Optionalnumber
. Used to return the default zoom level for the current tab in calls to tabs.getZoomSettings.
callback
Optionalfunction
. Called after the zoom settings have been changed.
Browser compatibility
Examples
Acknowledgements
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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