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Series
A beginner-to-advanced walk through Express.js for people who are tired of pasting npm install express without knowing why. We start with when to pick Express at all, tear it open to see what it does on top of raw Node, then work up through routing, middleware, error handling, auth, testing and production hardening. Every post has small original example apps you can run in your browser, a "Try it" box in each section, and an exercise at the end. No hype, no memorising API surface, just the mental model that makes the framework make sense.
Routing: How Express Decides Who Answers In Post 2 we saw that Express is Node's req and res with the boring parts pre-filled, and that one of those boring parts is answering the question "which funct
What Express Actually Is (and Why It Exists) In Post 1 we figured out when to reach for Express and who's running it. Now the fun part: figuring out what it's actually doing for you. And the best way
Why Express? Picking a Backend Without the Hype Let's be honest about how most people meet Express. You're following some tutorial, it says npm install express, you paste a "Hello World," it works, an