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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.

TanStack Query vs. SWR: A Comprehensive Guide for Next.js 15 Projects

TanStack Query vs. SWR: A Comprehensive Guide for Next.js 15 Projects

In the ever-evolving world of React and Next.js, developers often face tough choices when it comes to data fetching and caching solutions. For years, SWR has been a beloved choice for its simplicity and elegance. Recently, however, many developers (including some of my friends) have recommended a switch to

Mastering workspaces in package.json: A Simple Path to Scalable Monorepos

Mastering workspaces in package.json: A Simple Path to Scalable Monorepos

As your JavaScript or TypeScript projects grow, maintaining them as a collection of separate Git repositories can become chaotic. That’s where monorepos and workspaces step in to make life easier. Whether you're managing a design system, an API, a CLI, or even multiple microservices, the workspaces feature

Mastering JavaScript Import Syntax: How to Consume Any Module Like a Pro

Mastering JavaScript Import Syntax: How to Consume Any Module Like a Pro

A Companion Guide to export with Practical Use Cases and Gotchas

Mastering JavaScript Export Syntax: A Practical Guide for Developers

Mastering JavaScript Export Syntax: A Practical Guide for Developers

Everything You Need to Know About export, export default, and Module Aggregation

What Is TC39 and Why JavaScript Developers Should Care

What Is TC39 and Why JavaScript Developers Should Care

If you’ve been working with JavaScript for a while, chances are you’ve come across the term TC39—especially when hearing about upcoming features like optional chaining, pattern matching, or pipeline operators. But what exactly is TC39? And why does it matter to your day-to-day coding? 🧠 TC39 in a

Why typeof null === "object" in JavaScript Is Not a Bug You Can Fix

Why typeof null === "object" in JavaScript Is Not a Bug You Can Fix

If you’ve been writing JavaScript for any length of time, chances are you’ve come across this puzzling behavior: typeof null; // "object" At first glance, this seems like a blatant bug—and you’re not wrong. But it’s more complicated than that. This behavior is one

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