On the Expressjs website, it uses a callback function with app.listen() like this:

app.listen(port, () => {
  console.log(`Example app listening on port ${port}`)
})

But on the npm package page for Express, the example is this:

app.listen(3000)

I was wondering if the example could be updated with the callback function so that the user knows that Express is running and listening. I can make a pull request for this change if necessary.

Thanks!

-Brian