September 2012
Beginner
464 pages
8h 53m
English
Content preview from Sams Teach Yourself Node.js in 24 HoursBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Hour 23. Creating Middleware with Connect
What You’ll Learn in This Hour:
• What Middleware is
• How you can use Middleware with Connect and Express
• What you can use Middleware for in Connect and Express applications
• What Middleware can offer developers
What Is Middleware?
In the context of Node.js, Middleware is a way to filter a request and response in your application by adding a thin layer between the client and your application logic (see Figure 23.1). It provides a simple way to separate concerns within your application and can lead to more maintainable code, a better security model, and code reuse across projects. The idea is relatively simple, but it offers a great deal of power and flexibility to developers.
Figure 23.1. How Middleware ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.