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

10 votes216 views1 answer
View engine setup express
Javascript Express
2 votes229 views1 answer
What will you write to add the .env file to your express application?
Javascript Express
0 vote291 views1 answer
How to download express without view
Javascript Express
0 vote237 views1 answer
Processing an express form with node-postgres
Javascript Express
24 votes224 views5 answers
Express route parameters
Javascript Express
0 vote239 views1 answer
Express http to https
Javascript Express
0 vote235 views1 answer
Express rate limit redis
Javascript Express
0 vote244 views1 answer
Entendendo Package Json e instalando o Express
Javascript Express
2 votes220 views1 answer
What is template engine in express
Javascript Express
0 vote223 views1 answer
Express json body
Javascript Express