Discover the latest Certificates tips & tricks, industry news, and best practices

Nuxt UI: Unapologetically complete
Nuxt UI: The Shortcut You Don’t Have to Apologize For The component library that was built with developer experience in mind and solves accessibility and dependency management problems.
Reza Baar
Dec 12, 2025

Controlled vs Uncontrolled Components in React
Understanding controlled vs uncontrolled in React is about one question: who owns the state? Learn both meanings for form inputs and component design patterns.
Aurora Scharff
Dec 8, 2025

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.
Martin Ferret
Dec 5, 2025

Nuxt Hints: A new core module dropped right before the end of the year 🎁
The newest and hottest Nuxt module that was released right before the end of 2025: Nuxt Hints It gives real-time feedback on your app’s performance, accessibility, and security.
Reza Baar
Dec 3, 2025

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.
Alain Chautard
Nov 27, 2025

Special Nuxt Features on an opt-in basis
Extra Nuxt config options that go further and could help unlock new possibilities.
Reza Baar
Nov 24, 2025

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.
Martin Ferret
Nov 18, 2025

React Free Weekend: 48 hours of Open Access to Premium React Certification Training
Every year, we at Certificates.dev look for ways to make our certifications more accessible - not just for teams inside big tech companies, but for every developer who wants to validate their skills through real-world, hands-on learning. That’s why we are excited to announce our first-ever React Free Weekend, taking place on November 15–16, 2025.
Aurora Scharff
Nov 11, 2025

Error Handling in React with react-error-boundary
Learn how to handle errors in React applications with react-error-boundary. Explore fallback UIs, async error handling with useErrorBoundary, and React 19's automatic error boundary integration with form actions and useTransition.
Aurora Scharff
Nov 10, 2025
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