Express: req.protocol: Get the request protocol: http or https

req.protocol

This property contains the protocol. It is either http or https.

index.js

const express = require('express')
var cookieParser = require('cookie-parser')

const app = express()

app.use(cookieParser()); 

app.get('/', (req, res) => res.send(`Request protocol ${req.protocol}`))

const port = 3000
app.listen(port, () => console.log(`Application started listening on port ${port}!`));

Run index.js.

Open the url ‘http://localhost:3000/’ in browser.

You will below kind of message.

Previous                                                 Next                                                 Home