Maximizing your game with the fullscreen mode
Of all the APIs that we'll discuss in this chapter, fullscreen is the simplest to understand and use. As you might have guessed, what this API allows you to do is set an HTML element node that can be presented in the fullscreen mode.
Note that, although the first Editor's Draft (the maturation level that comes before a recommended standard becomes a Working Draft) for the fullscreen mode was published in October 2011, the specification is still in its early drafting stages. (refer to the following article for more information: Using fullscreen mode, (July 2014). https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode).
As for the current browser support, you will find that it ...