juniorAngular
What is Angular Signals?
Updated Apr 28, 2026
Short answer
Signals are reactive primitives for managing state in Angular.
Deep explanation
Signals provide a fine-grained reactivity system. Instead of relying on Zone.js, Angular can track dependencies and update only affected parts of UI.
Real-world example
Updating UI state without full change detection cycles.
Common mistakes
- Using signals like RxJS unnecessarily.
Follow-up questions
- Signals vs RxJS?
- Why signals?