Week 2 Readings: Express

express routing

• Express 4.0 comes with the new Router
• Router is like a mini express application
• provides us with the routing APIs like .use, .get, .param, and route

express middleware

• Middleware functions are functions that have access to the request object (req), the response object (res)
• These functions are used to modify req and res objects
• parsing request bodies, adding response headers, etc.