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Created April 5, 2017 18:18
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Socket.io: broadcasting to (not only) rooms
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readme.MD

Send to the sender and noone else

socket.emit('hello', msg);

Send to everyone including the sender(if the sender is in the room) in the room "my room"

io.to('my room').emit('hello', msg);

Send to everyone except the sender(if the sender is in the room) in the room "my room"

socket.broadcast.to('my room').emit('hello', msg);

Send to everyone in every room, including the sender

io.emit('hello', msg); // short version io.sockets.emit('hello', msg);

Send to specific socket only (private chat)

socket.broadcast.to(otherSocket.id).emit('hello', msg);

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