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

62 votes200 views3 answers
Express js basic example
Javascript Express
0 vote117 views1 answer
Express get slash value
Javascript Express
0 vote110 views1 answer
How to get data send from a form express
Javascript Express
0 vote98 views1 answer
Node express send header
Javascript Express
0 vote115 views1 answer
Node express app.listen at specific port & host
Javascript Express
0 vote109 views1 answer
Uuid use in express
Javascript Express
-1 vote119 views1 answer
Express static page
Javascript Express
1 vote98 views2 answers
Express error middleware
Javascript Express
8 votes111 views2 answers
PayloadTooLargeError: request entity too large using express json middleware
Javascript Express
2 votes111 views2 answers
Express how to refresh
Javascript Express