Full-screen API available in Firefox nightly
arstechnica.com
arstechnica.com
Implementations for Chrome and Firefox are bug 72754 and bug 633602, respectively.
Alas, those days are gone, unless I figure out a way to override requestFullscreen to always return false.
I'm not sure if Chrome has a similar way to disable the feature.
As the article says, the intent is mostly to offer similar functionality as e.g. Youtube's fullscreen mode. It's much simpler/cleaner to ask ordinary users to click a button on the screen (that is a part of your own interface) than to ask them to press F11. Also, F11-fullscreen doesn't stretch elements as this does:
> It allows Web applications to toggle the browser into full-screen mode and stretch a single page element so that it fills the user’s display.
Which begs the question, why not?
Using the fullscreen API, you can put in fullscreen some specific parts of your website (a specific div, a specific menu, etc.).