getZoom method
Gets the current zoom factor of a specified tab.
tabId
The ID of the tab to get the current zoom factor from; defaults
to the active tab of the current window.
returns
Called with the tab's current zoom factor after it has been
fetched.
Implementation
Future<double> getZoom(int? tabId) async {
var $res = await promiseToFuture<double>($js.chrome.tabs.getZoom(tabId));
return $res;
}