If a parent Angular component uses the default change detection strategy, what occurs when a child component's @Input property changes?

medium📝 component behavior Q5 of 15

Angular - Change Detection

AThe child component requires manual change detection to update its view.

BThe child component's view updates automatically during the next change detection cycle.

CThe parent component must emit an event to update the child view.

DThe child component's view will not update unless OnPush strategy is used.

Step-by-Step Solution

Solution:

Step 1: Understand default strategy propagation
Default strategy runs change detection for all components including children.
Step 2: Effect on child @Input changes
When a child's input changes, Angular detects and updates its view automatically.
Final Answer:
The child component's view updates automatically during the next change detection cycle. -> Option B
Quick Check:
Default strategy auto-updates child views on input change [OK]

Quick Trick: Child views auto-update with default strategy [OK]

Common Mistakes:

MISTAKES

Master "Change Detection" in Angular

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Angular Quizzes