io.to emitting multiple room s code example
Example 1: socket emit to specific room using nodejs socket.io
io.on('connection', socket => { socket.on('disconnecting', () => { const rooms = Object.keys(socket.rooms); // the rooms array contains at least the socket ID }); socket.on('disconnect', () => { // socket.rooms === {} });});
Example 2: socket emit to specific room using nodejs socket.io
io.on('connection', socket => { socket.on('say to someone', (id, msg) => { socket.to(id).emit('my message', msg); });});
Example 3: socket emit to specific room using nodejs socket.io
io.to('room1').to('room2').to('room3').emit('some event');