default socket.io server node in javascript

Here's how to create a default socket.io server in Node.js:


index.tsx
// Import the required modules
const io = require('socket.io')(3000);

// Listen for a connection event
io.on('connection', (socket) => {
  console.log('a user has connected');

  // Listen for a disconnect event
  socket.on('disconnect', () => {
    console.log('a user has disconnected');
  });
});
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This code creates a socket.io server on port 3000 and listens for clients to connect to it. When a client connects, it logs a message to the console. When a client disconnects, it logs another message to the console.

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