Field note
What it does
Signals are lightweight wrappers around values that Angular tracks for reads and updates, enabling reactivity.
Capabilities
Available capabilities
Tags
Tags
Ways to use it
Ways to use it
sdk
TypeScript / @angular/core
LibraryActive
Angular Signals
Reactivity primitive in Angular for creating and managing dynamic state.
Product features
Product features
Best Practices
Build AI-powered applications with Firebase AI Logic and Angular
Build AI-powered applications with Gemini API and Angular
Build AI-powered applications with Genkit and Angular
Build with AI
Computed expressions
A computed is a read-only signal derived from other signals.
Connecting to model providers and keeping your API Credentials Secure
Getting Started
Handling non-deterministic responses
set method
Changes the value of a signal by calling set with a new value.
signal function
Creates a signal for holding local state.
Signals in components
Use signal and computed inside components to create and manage state.
update method
Changes a signal value based on the previous value.