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Do you know Angular Change Detection? I thought I did...

Learn how Angular ticks and reverse-engineer the Angular source code together with me. This Angular Change Detection Simplified book is the last resource you will ever need to fully grasp Angular Change Detection.

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What experts think

Gregor Woidwode

Google Developer Expert, CTO at

⭐️ ⭐️ ⭐️ ⭐️ ⭐️

To be honest, I had never read a book that explained such a complex subject as Angular Change Detection with such ease as Brecht Billiet 's. 🙏 Strange fixes like setTimeout() or superfluous .detectChanges() calls will be a thing of the past.

Tomas Trajan

Google Developer Expert for Angular, consultant & teacher at

⭐️ ⭐️ ⭐️ ⭐️ ⭐️

I've been working with Angular since the early Angular.js days, and had a pretty good intuitive understanding of the change detection behavior. But this book managed to improve my mental model dramatically by putting all the pieces together in a clear and structured way, especially the in depth content about OnPush and its interactions. Highly recommended!

Duncan Faulkner


⭐️ ⭐️ ⭐️ ⭐️ ⭐️

This book is an amazing insight into the change detection process in Angular. I had never really thought about how change detection works, it's just there in the background doing its thing. It's not until you see it explained in such detail, with an example showing what's being affected that it really makes you think about how change detection can affect the performance of your applications. This is a must-read for all Angular developers. Thank you Brecht for such a great book.