Question

How to create middleware function that run when make a HTTP request in Node.js and Express

Answer 1

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

// create middleware function 
const mwf = (req, res, next) => {
    console.log('Node.js');
    next();
}
// Init middleware function
app.use(mwf);

 
app.get('/', function (req, res) {
    res.send('Response')
  })
  
const PORT = process.env.PORT || 8080;
  
app.listen(PORT, () => console.log(`Server started on port ${PORT}`));
  
 
  
  
/*
run:
   
Server started on port 8080
 
On http://localhost:8080
Response

Node.js
 
*/

 

70+ SQL courses for beginners and professionals