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

0 vote114 views1 answer
Express http to https
Javascript Express
64 votes276 views6 answers
Express routing
Javascript Express
9 votes128 views2 answers
Express session destroy
Javascript Express
0 vote126 views1 answer
What regular express will match valid internation number
Javascript Express
14 votes129 views1 answer
Express js limit access based on rate
Javascript Express
0 vote129 views1 answer
Express pourquoi mettre bodyparser avant router
Javascript Express
0 vote115 views1 answer
Node express js set server timeout
Javascript Express
8 votes134 views1 answer
Express router file
Javascript Express
0 vote127 views1 answer
Express js boilerplate
Javascript Express
0 vote125 views1 answer
Header disallowed by preflight response in express
Javascript Express