Express.js route to success

advanced-routing.js

router.all('*', function(req, res, next){ 
  //… 
  next();
});

router.get('/p/:name', function(req, res, next){ 
  //… 
});

router.param('name', function(req, res, next, name){ 
  //… 
  next();
});

basic-routing1.js

app.get('/', function (req, res) {
  res.send('Hello World!')
})

basic-routing2.js

var index = require('./routes/index');
// ** lots of other code in between ** //
app.use('/', index);

basic-routing3.js

var express = require('express');
var router = express.Router();

/* GET home page. */
router.get('/', function(req, res, next) {
  res.render('index', { title: 'Express' });
});

module.exports = router;

query-param1.js

router.get('/p',  function(req,res){
  res.send(req.params.name);
})

query-param2.js

router.get('/p/:name',  function(req,res){
  res.send(req.params.name);
})

query-param3.js

router.post('/p', function(req, res){
  res.send(req.body.name);
})

response.js

router.get('/feed/:url', function (req, res, next) {
    try {
        // do some stuff
        res.json(result);
    } catch (e) {
        res.sendStatus(500, e.message);
    }
})

router.get('/', function(req, res, next) {
  res.render('index', { title: 'Express' });
});