Node express

Express js 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

Npm express

$ npm install express

Source: npmjs.com

Express js

$ npm install express --no-save

Source: expressjs.com

Node.js express

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}`))

Node express

npm i -D express

Express-js

Express.js, or simply Express, is a back end web application framework for Node.js, released as free and open-source software under the MIT License.
It is designed for building web applications and APIs.
It has been called the de facto standard server framework for Node.js.

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