JAVASCRIPT

npm express

$ npm install express

npm express

// npm install express
const express = require('express');
const app = express();

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

app.listen(3000,()=>{
 console.log("starting...");
});

express js npm

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

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

app.listen(3000,()=>{
 console.log("starting...");
});

npm install express

npm install --save express mongoose ejs dotenv

express npm package

ejs => template engine
express-ejs-layout => for layout ejs template
express-session => create the session
express-flash => for flash message
connect-mongodb-session => save the session in the mongoDB