What are the main features of socket.io?

Question

JavaScript

Hello. I am using nodejs. For example, there is a code io.sockets.on( 'connection', function( client ) {that responds when users connect. What code will respond when users disconnect? And what else is there?

Answer 1

io.sockets.on('connection', function (socket) {
  socket.on('disconnect', function () {
    // ...
  });
});

Everything is off. site and wiki .

Answer 2

read socket.io here