The 8 JavaScript Errors Every Developer Should Understand

Understanding JavaScript errors is essential for debugging efficiently. Discover the 8 native error types with clear explanations and practical examples.

Angular 21 is available!

Angular 21 has been released, and I’m going to divide the new features into different categories, since a lot of the new features are experimental and not recommended for production use yet.

Inside the JavaScript Event Loop: How the Runtime Actually Works

Understand the JavaScript event loop in depth. Learn how the call stack, microtasks, and macrotasks work together to handle asynchronous code efficiently, keeping your applications fast, predictable, and responsive.

Document Fragments: The Secret to Fast, Clean DOM Manipulation in JavaScript

Discover how DocumentFragment can dramatically speed up DOM manipulation in JavaScript. Learn how to batch element creation in memory, avoid reflows, and build smoother, faster interfaces with clean, efficient code.

Use Lighthouse to improve your Angular applications

Angular developers often focus on code structure and framework mastery—but end users care most about speed, accessibility, and visibility. This article highlights how tools like Google Chrome’s built-in Lighthouse can help you measure and improve your app’s performance, accessibility, and SEO. By running quick audits and reviewing actionable insights, developers can bridge the gap between technical excellence and real-world user experience.

Template Literals in JavaScript: Write Strings the Way They Were Meant to Be

Learn how template literals make JavaScript string handling modern, readable, and expressive through multi-line syntax, interpolation, and tag functions. A concise expert guide for cleaner, smarter code.

Dynamic Imports in JavaScript: Load Smarter, Not Sooner

Learn how to use dynamic imports in JavaScript to boost performance, reduce bundle size, and load code only when needed. A practical, modern guide to smarter, modular JavaScript without frameworks.

Subject, BehaviorSubject, and ReplaySubject

Angular’s reactive world revolves around Subjects, but the star is often the BehaviorSubject — why? Because it always starts with a value, and when you subscribe, you immediately get the latest emission (like receiving the current issue of a magazine). Meanwhile, ReplaySubject lets you go further by replaying multiple past values (no default), and a plain Subject is just “live only” — no past, no future. Let’s dig into when and why to use each.

Unravel the mystery of JavaScript's event bubbling and take control of your event handling

Ever clicked a button and had unexpected things happen to its parent elements? You might have just witnessed the magic (or mischief!) of JavaScript's event bubbling. It's a core concept that, once understood, will save you headaches and help you debug event-related issues.