> browser.warnOnQuit is a hidden global boolean to override all quit prompts
> browser.showQuitWarning specifically covers quitting
> browser.tabs.warnOnClose is the global "warn when closing multiple tabs" pref
However, this does not apply if
> The session will be restored at startup, indicated by
> browser.startup.page == 3 or browser.sessionstore.resume_session_once == true
https:/ /searchfox. org/mozilla- central/ rev/ce9ff94ffed 34dc17ec0bfa406 156d489eaa8ee1/ browser/ components/ nsBrowserGlue. js#1309
> browser.warnOnQuit is a hidden global boolean to override all quit prompts showQuitWarning specifically covers quitting tabs.warnOnClos e is the global "warn when closing multiple tabs" pref
> browser.
> browser.
However, this does not apply if startup. page == 3 or browser. sessionstore. resume_ session_ once == true
> The session will be restored at startup, indicated by
> browser.