Note: I'm not sure if tab.closing is the best way to do this; that attribute seems to be undocumented. Feel free to suggest a better API to check for a closed tab.
(Logging added to the interval handler confirms it's still being called after the tab is closed and dead)
Note: I'm not sure if
tab.closing
is the best way to do this; that attribute seems to be undocumented. Feel free to suggest a better API to check for a closed tab.(Logging added to the interval handler confirms it's still being called after the tab is closed and dead)