NodeJS ExpressJS: Hello world example [EX-01]

Javascript Frameworks

ExpressJS, SailsJS, MeteorJS, KoaJS, FeathersJS

https://expressjs.com/
https://expressjs.com/en/starter/hello-world.html

npm init
npm install express --save

Hello world example

app.js

const express = require('express')
const app = express()
const port = 3000

// GET method route
app.get('/', (req, res) => res.send('Hello World!'))

app.listen(port, () => console.log(`Example app listening on port ${port}!`))

Command: node app.js
Url: http://localhost:3000/
Kết quả: Hello World!
Url: http://localhost:3000/users
Kết quả: User list

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