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How to open kiosk mode without entering fullscreen directly.
As the subject stated, I'm desiring to achieve the result that I can run some webpage with the window containing only the page itself (without toolbar, address bar, etc.). The --kiosk command line option is almost what I need but it will enter the fullscreen mode whatsoever. For instance, chromium has the --app option which is exactly what I want it to be. Thanks in advance!
Alla svar (1)
Support for SiteSpecificBrowser and Progressive Web Apps has been removed in Firefox 86 (bug 1682593), so it is no longer possible to use this feature in Firefox.