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JavaScript

Delve into the world of JavaScript, the language of the web. This tag covers tutorials, best practices, and tips for mastering JavaScript, from foundational concepts to advanced techniques for building dynamic and interactive applications.

The Curious Case of NaN: When Numbers Stop Making Sense

The Curious Case of NaN: When Numbers Stop Making Sense

In the world of JavaScript, there’s one value that consistently surprises both beginners and seasoned developers alike: NaN. At first glance, it might look like just another value in the Number type. But dig a little deeper, and you’ll realize it’s anything but ordinary. Let’s start

Why I Always Peek at package.json When Exploring Open Source Projects

Why I Always Peek at package.json When Exploring Open Source Projects

Whenever I browse open-source JavaScript projects on GitHub, there’s one file I always check first: package.json. At first glance, it might seem like a boring metadata file — but over time, I realized package.json is a goldmine of ideas, inspiration, and hidden gems. Let me explain why. 1.

Why "100% Node.js Compatibility" in Deno and Bun Actually Matters More Than You Think

Why "100% Node.js Compatibility" in Deno and Bun Actually Matters More Than You Think

If you have recently explored modern runtimes like Deno or Bun, you've probably seen the bold claim: "100% Node.js compatibility." At first glance, it sounds like marketing fluff. But when you dig deeper, you realize it touches on one of the most critical factors for

Your Source Code Is in Production: The Hidden Danger of Turbopack Sourcemaps

Your Source Code Is in Production: The Hidden Danger of Turbopack Sourcemaps

"We deployed our app using Next.js and Turbopack... and accidentally exposed our entire source code." That’s not clickbait. It’s happening. If you’re experimenting with or already using Turbopack, the Rust-based successor to Webpack in the Next.js ecosystem, there’s something you need to

Don't Let the Default Fool You: Choosing the Right Option When Installing React 19 Packages

Don't Let the Default Fool You: Choosing the Right Option When Installing React 19 Packages

If you've recently started a new project with React 19 and tried installing a component library like shadcn/ui, you might have been greeted by a message that looks something like this: "Some packages may fail to install due to peer dependency issues in npm..." And

How Go Changed the Way We Handle Errors in JavaScript

How Go Changed the Way We Handle Errors in JavaScript

If you’ve been dabbling with both Go (Golang) and JavaScript, you’ve probably come across a quirky-looking line like this: const [data, err] = myFn(); At first glance, this might feel strange to JavaScript developers. But if you’ve spent some time with Go, this starts to make perfect sense.

Go vs JavaScript: Why Simplicity Wins

Go vs JavaScript: Why Simplicity Wins

I’ve been playing with Go recently — not just reading about it, but actually building things. And honestly, I’m impressed. Not in a “oh this is neat” way, but in a why aren’t more languages like this? kind of way. It’s not about syntax. It’s about