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Articles tagged with #javascript
Node.js runs on a single main thread. That sounds limiting, and in one sense it is. Only one thing can sit on the call stack at a time. But that is exactly why the event loop matters. It lets Node.js
When people first learn Node.js, they usually hear one sentence over and over: “Node.js is non-blocking.” Cool. But what does that actually mean? Because this one thing changes how your server behav
REST API design gets easier once you stop treating it like a pile of routes and start treating it like a set of resource actions. Express.js fits this model well because it keeps routing clear, readab
When you first start learning Express, route handlers feel simple. You create a route, send a response, and everything works. app.get("/", (req, res) => { res.send("Hello World"); }); But real appl
JavaScript started in the browser. It lived inside web pages, clicked buttons, moved menus, and handled forms. That was the job. Then Node.js showed up and gave JavaScript a second life. Same language
Most HTTP requests carry simple text. A JSON body, some query params. The server reads it, done. File uploads are different. When a browser sends a file, it wraps everything in multipart/form-data, a
