nodejs express port code example

Example 1: app.listen express

const express = require('express')
const app = express()
const port = 3000

app.get('/', (req, res) => {
  res.send('Hello World!')
})

app.listen(port, () => {
  console.log(`Example app listening at http://localhost:${port}`)
})

Example 2: express get port from request

const proxyHost = req.headers["x-forwarded-host"];
const host ? proxyHost : req.headers.host;

Tags:

Javascript Example

Related