What will happen if you call detectChanges() inside a component method that is already running during Angular's change detection cycle?

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Angular - Change Detection

What will happen if you call detectChanges() inside a component method that is already running during Angular's change detection cycle?

AIt will silently ignore the call

BIt will cause the component to unmount

CIt will restart the entire detection cycle safely

DIt will throw an error about changed values after check

Step-by-Step Solution

Solution:

Step 1: Understand Angular's change detection cycle
Calling detectChanges() during an ongoing detection can cause changed values after check error.
Step 2: Reason about Angular's safety checks
Angular detects if values changed after it checked and throws an error to prevent inconsistent UI.
Final Answer:
It will throw an error about changed values after check -> Option D
Quick Check:
Calling detectChanges() during detection = error [OK]

Quick Trick: Avoid detectChanges() inside ongoing detection cycle [OK]

Common Mistakes:

MISTAKES

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