webApp : boolean Set to true if running as a WebApp, i.e. within a WebView Source

vp9Video : boolean Can this device play vp9 video files? Source code:

android : boolean Is running on android? Source code:

cocoonJSApp : boolean Is this game running with CocoonJS.App? Source code:

<static> whenReady(handler, context, nonPrimer)

trident : boolean Set to true if running a Trident version of Internet Explorer (IE11+)

midori : boolean Set to true if running in Midori. Source code:

opera : boolean Set to true if running in Opera. Source code:

edge : boolean Set to true if running in Microsoft Edge browser. Source code:

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