The stuff that makes up Express

A good thing about Express is that there are only three core components to it, which makes it relatively easy to know a lot about Express, if not master it entirely. In this section, I will give a brief introduction about each of the core Express components, so that you are not left disoriented when you come across them in the coming chapters.

The application object

The application object is an instance of Express, conventionally represented by the variable named app. This is the main object of your Express app and the bulk of the functionality is built on it.

This is how you create an instance of the Express module:

var express = require('express');
var app = new express();

The following is a brief description of ...

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