express router get var code example
Example 1: express hello world
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}`))
Example 2: node js express url parameters
app.get('/api/:version', function(req, res) {
res.send(req.params.version);
});
Example 3: routes in node js
var express = require('express')
var router = express.Router()
router.use(function timeLog (req, res, next) {
console.log('Time: ', Date.now())
next()
})
router.get('/', function (req, res) {
res.send('Birds home page')
})
router.get('/about', function (req, res) {
res.send('About birds')
})
module.exports = router
Example 4: express route parameters
Route path: /flights/:from-:to
Request URL: http://localhost:3000/flights/LAX-SFO
req.params: { "from": "LAX", "to": "SFO" }