Answers for "expressjs basic app"

express js basic example

//to run : node filename.js
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}`))

//visit localhost:3000
// assuming you have done 1) npm init 2) npm install express

sample express app

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}`))

create express app

## Command
$ npx express-generator

: 'For earlier Node versions, install the application generator as a global
npm package and then launch it':
$ npm install -g express-generator
$ express

## Display the command options with the -h option:
$ express -h