socket.io nodejs sends data to all clients code example
Example 1: socket.io emit to all other clients
socket.emit('message', "this is a test");
io.emit('message', "this is a test");
socket.broadcast.emit('message', "this is a test");
socket.broadcast.to('game').emit('message', 'nice game');
io.in('game').emit('message', 'cool game');
socket.to('game').emit('message', 'enjoy the game');
io.of('myNamespace').emit('message', 'gg');
socket.broadcast.to(socketid).emit('message', 'for your eyes only');
for (var socketid in io.sockets.sockets) {}
OR
Object.keys(io.sockets.sockets).forEach((socketid) => {});
Example 2: node socket.io send
io.on('connect', onConnect);
function onConnect(socket){
socket.emit('hello', 'can you hear me?', 1, 2, 'abc');
socket.broadcast.emit('broadcast', 'hello friends!');
socket.to('game').emit('nice game', "let's play a game");
socket.to('game1').to('game2').emit('nice game', "let's play a game (too)");
io.in('game').emit('big-announcement', 'the game will start soon');
io.of('myNamespace').emit('bigger-announcement', 'the tournament will start soon');
io.of('myNamespace').to('room').emit('event', 'message');
io.to(`${socketId}`).emit('hey', 'I just met you');
socket.emit('question', 'do you think so?', function (answer) {});
socket.compress(false).emit('uncompressed', "that's rough");
socket.volatile.emit('maybe', 'do you really need it?');
socket.binary(false).emit('what', 'I have no binaries!');
io.local.emit('hi', 'my lovely babies');
io.emit('an event sent to all connected clients');
};