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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 JavaScript Tree: A Comprehensive Guide for Mastery

The JavaScript Tree: A Comprehensive Guide for Mastery

If you’re serious about mastering JavaScript, it helps to visualize the language not as a chaotic set of random concepts but as a structured tree—a living, growing framework that connects all the core fundamentals you need to write meaningful code. This article will walk you through that tree—

Beyond JavaScript: The Systems Mind Behind Node.js and Deno

Beyond JavaScript: The Systems Mind Behind Node.js and Deno

When people hear the name Ryan Dahl, the first thing that usually comes to mind is Node.js—the revolutionary JavaScript runtime that changed how we build web servers. But the real story goes far deeper than JavaScript. Ryan isn’t just a “JavaScript guy”—he’s a systems programming

Runtime First: Designing APIs Without the Crutch of Bundlers and Static Analysis

Runtime First: Designing APIs Without the Crutch of Bundlers and Static Analysis

In modern JavaScript development, we’ve grown comfortable with bundlers, compilers, and type generators. Tools like Webpack, Vite, Rollup, Babel, and TypeScript have become so deeply ingrained in our workflow that we often assume they’ll always be there to help us optimize and fix problems before our code hits

JavaScript’s Error.isError(): A New Era for Cross-Realm Error Checking

JavaScript’s Error.isError(): A New Era for Cross-Realm Error Checking

In the ever-evolving world of JavaScript, the recent advancement of Error.isError() to Stage 4 at TC39 marks a major milestone in error handling. This simple yet powerful method promises to revolutionize how developers detect error instances, especially in complex environments where multiple execution contexts (or realms) coexist. Let’s

A New Dawn for Dates and Times: Understanding the TC39 Stage 3 Temporal Proposal

A New Dawn for Dates and Times: Understanding the TC39 Stage 3 Temporal Proposal

When JavaScript first appeared in the mid-90s, it brought along a humble yet deeply flawed tool for managing dates and times—the Date object. For decades, developers have wrestled with quirks, inconsistencies, and limitations in handling date and time calculations. But change is on the horizon. Enter Temporal, a modern,

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