express js params
app.get('/path/:name', function(req, res) { // url: /path/test
console.log(req.params.name); // result: test
});
// OR
app.get('/path', function(req, res) { // url: /path?name='test'
console.log(req.query['name']); // result: test
});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 expressexpress redirect
app.get('/', (req, res) => {
res.redirect('/foo/bar');
});express redirect
res.redirect('/foo/bar')
res.redirect('http://example.com')
res.redirect(301, 'http://example.com')
res.redirect('../login')express url redirect
const app = require('express')();
// The `res.redirect()` function sends back an HTTP 302 by default.
// When an HTTP client receives a response with status 302, it will send
// an HTTP request to the URL in the response, in this case `/to`
app.get('/from', (req, res) => {
res.redirect('/to');
});
app.get('/to', (req, res) => res.send('Hello, World!'));Copyright © 2021 Codeinu
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