Coding Help Tips Resources Tutorials
Google Apps Scripts and Web Development Tutorials and Resources by Laurence Svekis
JavaScript DOM Game Dev (Beginner-Friendly): Build a “Reaction + Score” Click Game If you can select an element, listen for a click, and update text on the page, you can build a game. The DOM (Document Object Model) is the browser’s “live” representation of your HTML. When you write JavaScript that changes what’s on screen—moving … Read more
🚀 Node.js Interview Quiz (100 Questions with Answers) 1️⃣ Node.js Fundamentals (1–15) 1) What is Node.js? Answer: A JavaScript runtime built on Chrome’s V8 engine.Explanation: Node.js allows JS to run outside the browser, mainly for servers and tooling. 2) Is Node.js single-threaded? Answer: Yes (but it uses background threads).Explanation: JS runs on one thread, but … Read more
1) Basics, Types, Coercion (1–15) 1) What is the result of typeof null? A) “null” B) “object” C) “undefined” D) “number”Answer: B Explanation: A long-standing JS quirk: typeof null returns “object”. 2) What does NaN === NaN evaluate to? A) true B) falseAnswer: B Explanation: NaN is not equal to anything, even itself. Use Number.isNaN(x). … Read more
🟦 JavaScript Deep Dive — Issue #10 (Final) Building AI-Powered JavaScript Applications (Without Losing Control) How to integrate AI responsibly, predictably, and maintainably in real-world JS apps AI is no longer a novelty in JavaScript applications.It’s becoming infrastructure — used for search, assistants, personalization, content generation, tutoring, analytics, and automation. But most examples online focus … Read more
🟦 JavaScript Deep Dive — Issue #9 The Future of JavaScript: What’s Coming Next (And What Actually Matters) New language features, real-world impact, and what to learn vs ignore Every year brings new JavaScript features, proposals, APIs, and “next big things.”Some of them quietly improve everyday development.Others sound exciting… and never really change how we … Read more
If you’re serious about improving your JavaScript skills, reading alone isn’t enough — you need structured, real-world practice. I’ve just published 30 additional JavaScript coding exercises (Exercises 21–50), each one including:✅ Full, working code✅ Clear learning objectives✅ Step-by-step explanations✅ Practical DOM, async, and browser API examples This set goes beyond basics and helps you practice … Read more
Free Until December 31, 2025 https://www.amazon.com/dp/B0G9C4G9LS https://www.amazon.ca/dp/B0G9C4G9LS Learning JavaScript today is harder than it should be. Not because JavaScript is impossible — but because most learning paths skip the most important part: How to think. You’re expected to jump from tutorial to tutorial, memorize syntax, copy framework patterns, and now… accept AI-generated code without fully … Read more
🚀 Two #1 Bestselling Tech Books For a limited time, two of my bestselling books on Amazon are completely free on Kindle—and they’re currently sitting at #1 and #2 in their categories. If you’ve ever wanted to truly understand JavaScript or finally make sense of how AI actually works, this is the best possible moment … Read more
The Weird, the Subtle, and the Powerful in JavaScript Get the book on Amazon Free until Dec 27th US Link Canada Link https://www.amazon.com/dp/B0GBTM5SCY https://www.amazon.ca/dp/B0GBTM5SCY GitHub Repohttps://github.com/lsvekis/The-Weird-the-Subtle-and-the-Powerful-in-JavaScript Introduction Why JavaScript Is Weird — and Why That’s a Good Thing JavaScript is one of the most widely used programming languages in the world—and also one of the … Read more
Free JavaScript Book (Dec 23–28): The Weird, the Subtle, and the Powerful in JavaScript A Deep Technical Guide to How the Language Really WorksBy Laurence Svekis 📅 Free on Amazon: December 23–28, 2025 JavaScript is everywhere—but truly understanding why it behaves the way it does remains one of the biggest challenges developers face. If you’ve … Read more