INNER CODE UNIT · JavaScript

server

cefjoeii/mern-crud · server.js:57

const server = app.listen(port, () => {
  console.log(`Listening on port ${port}`);
});

// Set up socket.io
const io = socket(server,{
  cors:{
    origin: config.react_app_url,
  }
});
let online = 0;

io.on('connection', (socket) => {
  online++;
  console.log(`Socket ${socket.id} connected.`);
  console.log(`Online: ${online}`);
  io.emit('visitor enters', online);

View source record →