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Articles tagged with #javascript
One thing that confuses many beginners in Node.js is this: 👉 “If Node.js is single-threaded, then how does it handle so many things at once?” That’s where the event loop comes in. What the event loo
When people say Node.js is “fast”, a big reason is its non-blocking nature. But what actually does blocking and non-blocking mean? Let’s understand it simply. What blocking code means Blocking code s
When people first hear about Node.js, they usually hear things like: “It’s fast”“It handles many users”“Big companies use it” But why is it fast? That’s the interesting part. What makes Node.js fas
When a request comes to an Express server, it usually doesn’t go directly to the final response. Before reaching the route handler, it passes through multiple checkpoints.These checkpoints are called
Imagine reading a file in Node.js. If Node waited for every file read, API call, or database query to finish before doing anything else, the whole app would feel slow. That’s why async code exists. No
At some point in JavaScript, things don’t happen instantly. Like: fetching data from an API reading a file waiting for a response This creates a problem… how do we handle something that will comp