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

0 vote147 views1 answer
Plotly express bar
Javascript Express
3 votes134 views1 answer
Write a code to get post a query in express.js.
Javascript Express
13 votes183 views3 answers
Express post body undefined
Javascript Express
0 vote192 views1 answer
How to set css in hbs in express
Javascript Express
14 votes166 views2 answers
Check express version
Javascript Express
0 vote175 views1 answer
Express reload page after post
Javascript Express
0 vote120 views1 answer
Express command not found mac
Javascript Express
0 vote162 views1 answer
Err handling express
Javascript Express
-2 votes179 views3 answers
React and express
Javascript Express
0 vote180 views3 answers
Post express node js input
Javascript Express