The document discusses the uses of JavaScript outside traditional web browsers including for Windows Phone 7, Xbox 360 Kinect, Mac OS and PC without a browser, as a server-side language with Node.js, in 3D games with Unity 3D, and for data visualization with Processing JS. It also mentions some of JavaScript's capabilities like the Google V8 engine, event support, using databases like JSON and Redis, and using YUI3 on the server-side with Node.js.