Angular Directives

Version: Angular 21 (2025) Tags: Directives, Components, DOM, Custom Directives

References: Directives Guide • Attribute Directives • Structural Directives

API Changes

This section documents recent version-specific API changes.

• NEW: Directive composition API — Use hostDirectives to compose directives source

• NEW: Signal inputs in directives — Use input() for reactive directive properties

• NEW: Standalone directives — All directives can be standalone

• NEW: Control flow syntax — @if, @for, @switch replace *ngIf, *ngFor