Angular - Change Detection
Which of the following is the correct way to set OnPush change detection in an Angular component?
Which of the following is the correct way to set OnPush change detection in an Angular component?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Angular syntax for change detection
The correct syntax uses the enum ChangeDetectionStrategy.OnPush inside the component decorator.Step 2: Eliminate incorrect options
A uses Default strategy, B uses a boolean which is invalid, C uses a string instead of enum.Final Answer:
@Component({ selector: 'app-example', changeDetection: ChangeDetectionStrategy.OnPush }) -> Option BQuick Check:
Use enum OnPush in decorator = D [OK]
Quick Trick: Use ChangeDetectionStrategy.OnPush enum in @Component [OK]
Common Mistakes:
MISTAKES- Using string 'OnPush' instead of enum
- Setting changeDetection to true or false
- Confusing Default with OnPush
Master "Change Detection" in Angular
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Angular Quizzes