JavaScript

Writing JavaScript That’s Easy to Delete Issue #25

by

🟦 JavaScript Deep Dive — Issue #25 Writing JavaScript That’s Easy to Delete The ultimate test of good code isn’t how it works — it’s how easily it can be removed Most developers focus on writing code that works. Better developers focus on writing code that is clean. But senior engineers optimize for something else … Read more

Technical Debt in JavaScript Deep Dive 24

by

🟦 JavaScript Deep Dive — Issue #24 Technical Debt in JavaScript: How It Builds — and How to Control It Why debt isn’t the problem… unmanaged debt is Every JavaScript codebase has technical debt. Even well-designed systems accumulate it over time. The problem isn’t debt itself —the problem is when it becomes invisible, uncontrolled, and … Read more

Vibe Coding JavaScript Games First Chapters

by

Vibe Coding JavaScript GamesBuild 15 Interactive Games While Mastering Real-World JavaScript, Game Logic, and AI-Assisted https://github.com/lsvekis/Vibe-Coding-with-JavaScript-Book https://lsvekis.github.io/Vibe-Coding-with-JavaScript-Book What if you could learn JavaScript by building real games—and learn how to think like a developer at the same time? Vibe Coding JavaScript Games is a hands-on, modern guide to learning JavaScript through the creation of 15 … Read more

Build a JavaScript Slot Machine Game with localStorage and a Jackpot Counter

by

Building small browser games is one of the fastest ways to improve your JavaScript skills—and it’s actually fun. https://github.com/lsvekis/JavaScript-Jackpot https://lsvekis.github.io/JavaScript-Jackpot In this tutorial, you’ll learn how to create a fully functional slot machine game using: By the end, you’ll have a complete mini-game you can expand into a portfolio project, course example, or teaching asset … Read more

How Senior Engineers Evaluate Code Issue #23

by

JavaScript Deep Dive — Issue #23 JavaScript Code Reviews: How Senior Engineers Evaluate Code Why great reviews improve systems, not just syntax Most developers think code review is about catching mistakes. But senior engineers know the real goal is different. Code review exists to improve: A great code review doesn’t just fix a bug today … Read more

Observability, Logging & Monitoring in JavaScript Systems

by

🟦 JavaScript Deep Dive — Issue #22 Observability, Logging & Monitoring in JavaScript Systems How senior engineers understand what their systems are actually doing Many developers build applications that work perfectly…until they reach production. Then questions appear: The problem usually isn’t the code. The problem is lack of visibility. Senior engineers don’t rely on guesswork.They … Read more

JavaScript Architecture Patterns for Large Applications Issue #8

by

🟦 JavaScript Deep Dive — Issue #8 JavaScript Architecture Patterns for Large Applications How to structure code that scales without collapsing under its own weight Small JavaScript projects forgive bad structure.Large ones punish it relentlessly. As applications grow, the biggest challenges are no longer syntax or APIs — they’re: This issue focuses on architecture patterns … Read more

Closures, Scope & Memory: What Really Happens Under the Hood Issue #7

by

Closures, Scope & Memory: What Really Happens Under the Hood Why closures are powerful, dangerous, and often misunderstood Closures are one of JavaScript’s greatest superpowers — and one of its most common sources of bugs, memory leaks, and confusion. Most developers use closures.Far fewer truly understand what they capture, how long they live, and why … Read more

JavaScript Flashcard Study App (JSON + Progress + Save Progress)

by

Project: JavaScript Flashcard Study App (JSON + Progress + Save Progress) https://github.com/lsvekis/JavaScript-Projects A flashcard app that: 1) cards.json { “title”: “JavaScript Flashcards”, “cards”: [ { “id”: 1, “front”: “What is the DOM?”, “back”: “Document Object Model” }, { “id”: 2, “front”: “What does querySelector() return?”, “back”: “The first element that matches a CSS selector” }, … Read more

JavaScript Quiz Project How to Create a Quiz with JavaScript (HTML + CSS + JSON)

by

https://github.com/lsvekis/JavaScript-Projects How to Create a Quiz with JavaScript (HTML + CSS + JSON) This tutorial shows you how to build a simple quiz app using modern JavaScript. The quiz loads questions from a JSON file, lets users pick answers, tracks progress, and displays a final score. What you will build Loads questions from questions.json Displays … Read more