node_express_basics.js

const port = 3000
const express = require('express')
const app = express()

app.use(function(req, res, next){
	console.log('Request:', req)
	console.log('Response:', res)
	next()
})

app.get('/', function(req, res, next){
	res.send('Hello')
	res.send(req.parm1)
})

app.get('/parms', function(req, res, next){
	var parm1 = req.parm1
	var parm2 = req.parm2
	if ( parm1 && parm2 ){
		next()
	}
})

app.listen(port, function(){
	console.log('Listening on port', port)
})