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What is the immediate effect of invoking ChangeDetectorRef.detectChanges() within an Angular component method?

medium📝 component behavior Q5 of 15
Angular - Change Detection
What is the immediate effect of invoking ChangeDetectorRef.detectChanges() within an Angular component method?
AIt disables change detection for the component
BIt queues a change detection cycle to run later asynchronously
CIt triggers a synchronous check and updates the component's view
DIt resets all component properties to their initial values
Step-by-Step Solution
Solution:

  1. Step 1: Understand detectChanges()

    This method triggers immediate change detection on the component.

  2. Step 2: Effect on view

    The view updates synchronously to reflect current data.

  3. Final Answer:

    It triggers a synchronous check and updates the component's view -> Option C

  4. Quick Check:

    detectChanges runs change detection immediately [OK]
Quick Trick: detectChanges() runs change detection immediately [OK]
Common Mistakes:
MISTAKES
  • Thinking it queues detection asynchronously
  • Believing it disables detection
  • Assuming it resets properties

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