Angular - Change Detection
Which Angular service is commonly used to trigger change detection manually?
Which Angular service is commonly used to trigger change detection manually?
easy🧠 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify services related to view updates
ChangeDetectorRef is designed to control change detection manually.Step 2: Exclude unrelated services
Renderer2 handles DOM rendering, HttpClient handles HTTP calls, NgZone manages Angular zones but not direct detection.Final Answer:
ChangeDetectorRef -> Option BQuick Check:
Manual detection service = ChangeDetectorRef [OK]
Quick Trick: Use ChangeDetectorRef to control detection manually [OK]
Common Mistakes:
MISTAKES- Confusing Renderer2 with detection control
- Thinking HttpClient triggers detection
- Assuming NgZone triggers detection directly
Master "Change Detection" in Angular
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