JavaScript

Learn JavaScript, TypeScript, Node.js, Bun, and Deno with Web Dev Lab through simple, practical, and beginner-friendly tutorials.

JavaScript•Aug 27, 2026

What to Know Before Learning Next.js in 2026: A Practical Guide

Thinking about learning Next.js in 2026? Read this first. We cover React basics, server components, the app router, and what skills you actually need.

JavaScript•Aug 17, 2026

Node.js 2026: Should Beginners Still Learn It?

Is Node.js still worth learning in 2026? Yes! Discover why 48.7% of developers use it, what beginners must learn, and a step-by-step learning path.

JavaScript•Aug 15, 2026

How to Optimize React Performance: 12 Proven Techniques

Learn how to optimize React performance with 12 proven techniques, including code splitting, image optimization, Core Web Vitals, virtualization, and more.

JavaScript•Jul 12, 2026

How to Keep Node.js Responsive During Heavy Calculations with setImmediate()

Learn how to prevent Node.js event loop blocking during heavy calculations. Use setImmediate() and chunking to keep your server fast and responsive.