** fullscreen=yes: "Do not use. Not implemented in Mozilla. There are no plans to implement this feature in Mozilla."
** "Forcing fullscreen onto other users is also extremely unpopular and is considered an outright rude attempt to impose web author's viewing preferences onto users."
== Implementations ==
In progress:
* [[Platform/Features/Full_Screen_APIs|Firefox Platform/Features/Full_Screen_APIs]]
* Webkit