Angular - Component Interaction
How can you ensure the parent component reacts only once to a child event that might emit multiple times quickly?
How can you ensure the parent component reacts only once to a child event that might emit multiple times quickly?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Recognize the problem of multiple quick emissions
Multiple emits can cause repeated parent reactions.Step 2: Apply RxJS debounceTime to limit event handling frequency
Using debounceTime delays handling until events stop firing rapidly.Final Answer:
Use RxJS operators like debounceTime on the event subscription -> Option BQuick Check:
debounceTime limits rapid event handling [OK]
Quick Trick: Use debounceTime to handle rapid events once [OK]
Common Mistakes:
- Using @Input to send events
- Calling parent methods directly from child
- Creating multiple EventEmitters unnecessarily
Master "Component Interaction" in Angular
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Angular Quizzes