This may be a very basic question but I simply don't get it. What is the difference between creating an app using Express.js and starting the app listening on port 1234, for example: var express = require('express'); var app = express(); //app.configure, app.use etc app.listen(1234); and adding an http server: var express = require('express'); var http = require('http'); var app = express(); var s
![Express.js - app.listen vs server.listen](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)