Q. How do you unsubscribe from an Observable in Angular?

  • (A) By calling unsubscribe() on the subscription
  • (B) By setting Observable to null
  • (C) Angular unsubscribes automatically for all Observables
  • (D) By using ngOnInit hook
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✅ Correct Answer: (A) By calling unsubscribe() on the subscription
Explanation: To avoid memory leaks, unsubscribe manually or use AsyncPipe.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 11:52 am in Angular

Explanation by: Mr. Dubey
To avoid memory leaks, unsubscribe manually or use AsyncPipe.

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