WTF is "Zone.js" and is it making your app slow?

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Zone.js is included in every Angular application and it is a critical part of change detection, but it also leads to your application doing way more rendering work than it actually needs to.

In this video, we explore what exactly Zone.js does, why we need it, how we can work around it, and why it might be becoming optional in the future.

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Learn Angular with Ionic: https://ionicstart.com

More on OnPush Change Detection:    • Why use OnPush in Angular? Not for pe...  

0:00 Introduction
0:27 Component Tree
2:06 What does Zone.js do?
2:59 Default Strategy
4:25 OnPush Strategy
8:16 Async Pipe
10:10 RxAngular

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