Q: List of Socket.io Events Does anyone know what events are built-in in Socket.io?
For example: connection, disconnect, join etc.

A: Here is all I found in the official docs:
Client-side events for socket.io object:


*

*connect. Fired upon a successful connection.

*connect_error. Fired upon a connection error.Parameters:


*

*Object error object


*connect_timeout. Fired upon a connection timeout.

*reconnect. Fired upon a successful reconnection.Parameters:


*

*Number reconnection attempt number


*reconnect_attempt. Fired upon an attempt to reconnect.

*reconnecting. Fired upon an attempt to reconnect.Parameters:


*

*Number reconnection attempt number


*reconnect_error. Fired upon a reconnection attempt error.Parameters:


*

*Object error object


*reconnect_failed. Fired when couldn't reconnect within reconnectionAttempts
Client-side events for socket object:


*

*connect. Fired upon connecting.

*error. Fired upon a connection errorParameters:


*

*Object error data


*disconnect. Fired upon a disconnection.

*reconnect. Fired upon a successful reconnection.Parameters:


*

*Number reconnection attempt number


*reconnect_attempt. Fired upon an attempt to reconnect.

*reconnecting. Fired upon an attempt to reconnect.Parameters:


*

*Number reconnection attempt number


*reconnect_error. Fired upon a reconnection attempt error.Parameters:


*

*Object error object


*reconnect_failed. Fired when couldn't reconnect within reconnectionAttempts
Server-side events:


*

*connection / connect. Fired upon a connection.Parameters:


*

*Socket the incoming socket.



Edit:
For the current version (1.3.4) the reconnect_attempt and reconnecting
 client-side events are synonyms.
