Express 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

30 votes181 views6 answers
Express bodyparser deprecated
Javascript Express
1 vote173 views1 answer
Get express variable
Javascript Express
0 vote211 views2 answers
Express plus make router
Javascript Express
0 vote184 views2 answers
Public static expressjs
Javascript Express
0 vote174 views1 answer
First node prog using express
Javascript Express
0 vote179 views1 answer
== operation is not working on ids in express
Javascript Express
24 votes196 views2 answers
Express get query params from url
Javascript Express
1 vote228 views1 answer
Run project in visual studio with iis express
Javascript Express
0 vote175 views1 answer
Express unique validator for the owner
Javascript Express
0 vote138 views1 answer
Iis express gzip
Javascript Express