IO#protocol Socket.io protocol revision number this client works with.

IO#Manager Reference to the Manager constructor.

IO#Emitter Reference to the Emitter constructor.

IO(url:String, opts:Object):Socket Exposed as the io global in window if using the standalone build (eg: /socket.io/socket.io.js or the CDN), or the result of calling require('socket.io-client'). When called, it creates a new Manager for the given URL, and attempts to reuse an existing Manager for subsequent calls, unless the multiplex option is passed with false. Passing this option is the equivalent of passing 'force new connection': true. The rest of the options are passed to the Manager con

Client#request A getter proxy that returns the reference to the request that originated the engine.io connection. Useful for accessing request headers such as Cookie or User-Agent.

Client#conn A reference to the underlying engine.io Socket connection.

Client The Client class represents an incoming transport (engine.io) connection. A Client can be associated with many multiplexed Socket that belong to different Namespaces.