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Angular · Class

ChangeDetectorRef

ChangeDetectorRef controls when Angular checks a component view. It supports OnPush updates, local checks, and attaching or detaching a view from the change-detection tree.

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Syntax

abstract class ChangeDetectorRef {
  abstract markForCheck(): void;
  abstract detach(): void;
  abstract detectChanges(): void;
  abstract reattach(): void;
}

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  • ChangeDetectionStrategy
  • Component
  • effect
  • input

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