const express = require('express'); const app = express(); const PORT = process.env.PORT || 4001; // Invoke the app's `.listen()` method below: app.listen(PORT,() => { console.log(`Server is listening on port ${PORT}`); });
const express = require('express'); const app = express(); const PORT = process.env.PORT || 4001; // Invoke the app's `.listen()` method below: app.listen(PORT,() => { console.log(`Server is listening on port ${PORT}`); });