middleware.js

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


app.use('/superMiddleware', (req, res, next) => {
        console.log('hello middleware ')
        next()
    },
    (req, res, next) => {
        res.send('hello world')
    })

app.listen(3000, () => {
    console.log("go to : http://localhost:3000/superMiddleware")
})