socket.io get connection id code example

Example 1: socket io connect to namespace

var io  = require('socket.io')(http, { path: '/myapp/socket.io'});

io
.of('/my-namespace')
.on('connection', function(socket){
    console.log('a user connected with id %s', socket.id);

    socket.on('my-message', function (data) {
        io.of('my-namespace').emit('my-message', data);
        // or socket.emit(...)
        console.log('broadcasting my-message', data);
    });
});

Example 2: get client id socket io

// NodeJs 
// Socket.io get id client connected
io.on('connection', (socket) => {
	console.log(socket.id) // This is ID session the client
});