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

How to animate transitions with Angular?
Angular 20.2 introduces a delightfully simple way to animate elements as they enter and leave the screen. With zero imports and CSS doing all the heavy lifting, the new animate.enter and animate.leave attributes let you add smooth, modern transitions with minimal code and maximum sanity.
Alain Chautard
Dec 26, 2025

Dynamic component creation with Angular
The article explains how to create and control Angular components dynamically at runtime, rather than relying on static components that are toggled visible/hidden in the DOM.
Alain Chautard
Dec 18, 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

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.
Alain Chautard
Oct 24, 2025

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.
Alain Chautard
Oct 8, 2025
![Signals + HTTP = httpResource [Tutorial]](/.netlify/images?url=https:%2F%2Fapi.certificates.dev%2Fstorage%2FBjlMXbKIMa9oxIOAYDExd172ChCzAax9YCFpoWbl.png)
Signals + HTTP = httpResource [Tutorial]
Angular 19.2 rolls out httpResource — an experimental, signal-friendly layer over HttpClient that lets you fetch data reactively. Instead of juggling Observables and state flags, httpResource gives you built-in signals like isLoading() and hasValue(), and it automatically re-fires requests when dependent signals (e.g. page number, query) change.
Alain Chautard
Sep 25, 2025

The Angular Compiler: From Your Code to Browser Code
This article demystifies what Angular actually bundles into your browser—including how your component and template code gets compiled into a hashed, minified main-xxxxx.js file for cache-busting—and shows how disabling optimization in angular.json lets you peek at the more human-readable compiled output.
Alain Chautard
Sep 15, 2025

Component architecture with inputs, model(), and viewChild()
This article explores three distinct approaches to facilitating communication between a parent component and a dialog component in Angular, using a single interactive example centered on opening and closing a dialog.
Alain Chautard
Sep 4, 2025

Angular Certification: A Roadmap for Continuous Learning and Growth
Discover how the Angular Certification program comprehensively validates your skills across the framework's ecosystem. Learn how this expert-designed assessment benchmarks your proficiency from core concepts to advanced techniques.
Alain Chautard
Aug 20, 2024
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