Send data to selected socket_id

问题

I'm using socket.io 1.3.5 and two method

io.to(id).emit(event,data)

and

io.sockets.socket[id].emit(event,data)

is not working. How to do send data to selected socket_id in socket.io 1.3.5 Sorry my english not good!

来源：https://stackoverflow.com/questions/29342449/send-data-to-selected-socket-id