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 expressExpressjs Route methods
// GET method route
app.get('/', function (req, res) {
res.send('GET request to the homepage')
})
// POST method route
app.post('/', function (req, res) {
res.send('POST request to the homepage')
})express route parameters
Route path: /flights/:from-:to
Request URL: http://localhost:3000/flights/LAX-SFO
req.params: { "from": "LAX", "to": "SFO" }Copyright © 2021 Codeinu
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