windows : boolean Is running on windows? Source code:

cocoonJS : boolean Is the game running under CocoonJS? Source code:

silk : boolean Set to true if running in the Silk browser (as used on the Amazon Kindle)

littleEndian : boolean Is the device big or little endian? (only detected if the browser supports TypedArrays)

localStorage : boolean Is localStorage available? Source code:

cancelFullscreen : string If the browser supports the Full Screen API this holds the call you need to use to cancel it.

css3D : boolean Is css3D available? Source code:

iPhone4 : boolean Is running on iPhone4? Source code:

vibration : boolean Does the device support the Vibration API? Source code:

mobileSafari : boolean Set to true if running in Mobile Safari. Source code: