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 get url parameters
app.get('/path/:name', function(req, res) {
res.send("tagId is set to " + req.params.name);
});express redirect
app.get('/', (req, res) => {
res.redirect('/foo/bar');
});node js express url parameters
// http://localhost:8080/api/1
app.get('/api/:version', function(req, res) {
res.send(req.params.version);
});express route parameters
app.get('/users/:userId/books/:bookId', function (req, res) {
res.send(req.params)
})Copyright © 2021 Codeinu
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