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 expressinstall express globally
$ npm install express --no-saveinstall express
npm install express@4express install
$ npx express-generatornode express setup
yarn add express
yarn add --dev @types/expressCopyright © 2021 Codeinu
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