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

Require express server.js

const express = require('express')const app = express() app.get('/', function (req, res) {  res.send('Hello World')}) app.listen(3000)

Source: npmjs.com

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}`))

Source: expressjs.com

Similar codes

3 votes332 views1 answer
Authfunctions express
Javascript Express
59 votes379 views2 answers
Express js sample project
Javascript Express
2 votes353 views2 answers
Initialize express app
Javascript Express
1 vote305 views1 answer
Ngingx proxy express get real ip
Javascript Express
1 vote340 views1 answer
How to handle all error of all router in express
Javascript Express
1 vote360 views1 answer
Expressjs post route
Javascript Express
0 vote328 views1 answer
How to change Mime type of a file express
Javascript Express
2 votes343 views1 answer
Expressjs path optional parameters
Javascript Express
4 votes336 views1 answer
How to parse POST requests with express nodejs
Javascript Express
0 vote324 views1 answer
Jsdoc for express routes
Javascript Express