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Angular · Function

effect

Registers a function that runs when signals read by that function change. Angular creates either a component effect or a root effect, with different timing and change-detection behavior.

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Syntax

effect(effectFn: (onCleanup: EffectCleanupRegisterFn) => void, options?: CreateEffectOptions | undefined): EffectRef;

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  • EffectCleanupFn
  • EffectCleanupRegisterFn
  • EffectRef
  • CreateEffectOptions
  • signal

Source: effect • Angular. Checked 2026-11-03.