/Javascript/Express/Expressjs hello world

Expressjs hello world

//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

17 votes299 views6 answers
Express js
Javascript Express
2 votes306 views1 answer
Expressjs path optional parameters
Javascript Express
1 vote302 views2 answers
Nodejs express server img src
Javascript Express
10 votes271 views6 answers
Express post
Javascript Express
0 vote331 views1 answer
Show dynamic data expressjs
Javascript Express
0 vote283 views1 answer
First node prog using express
Javascript Express
1 vote304 views1 answer
Express static auth
Javascript Express
0 vote312 views1 answer
React download file from express res.download
Javascript Express
0 vote298 views1 answer
Sanitize data within an Express application
Javascript Express
0 vote299 views1 answer
Express req get json
Javascript Express