support32bit : boolean Does the device context support 32bit pixel manipulation using array buffer views?

safariVersion : number If running in Safari this will contain the major version number.

localStorage : boolean Is localStorage available? Source code:

epiphany : boolean Set to true if running in Epiphany. Source code:

css3D : boolean Is css3D available? Source code:

mp3 : boolean Can this device play mp3 files? Source code:

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

fullscreen : boolean Does the browser support the Full Screen API? Source

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

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