Angular 21 Signals Tutorial | Reactive Variables & Change Detection

Опубликовано: 28 Апрель 2026
на канале: Tech Stack
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Learn Angular 21 Signals step by step! In this tutorial, we cover:

What are signals and why they matter

How signals automatically trigger change detection

Differences between normal variables and signal variables

Creating signal primitives, objects, and arrays

Accessing and updating signal values

Signals help you manage reactive state in zoneless Angular 21 applications efficiently.

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Check out our Angular 21 series for more tutorials: Angular 21 Playlist :
   • Angular 21