Interview Questions

Get ready for your next interview with our comprehensive question library

Angular Interview Questions

Filter by Difficulty

41.

How do you handle loading states during HTTP requests?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
42.

What are Observables and why does Angular use them?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
43.

What is the difference between Observable and Promise?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
44.

How do you handle subscription management to prevent memory leaks?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
45.

What are the most commonly used RxJS operators?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
46.

Explain the complete component lifecycle and when each hook is called

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
47.

How do you detect changes in child components from parent?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
48.

What is the purpose of ngAfterViewInit and ngAfterContentInit?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
49.

How do you properly clean up resources in ngOnDestroy?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
50.

How do you create a custom pipe?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
51.

What is the difference between pure and impure pipes?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
52.

How do you handle asynchronous data with pipes?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
53.

Can you create a pipe that filters an array? Is it recommended?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
54.

How do you unit test Angular components?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
55.

How do you test services with dependencies?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
56.

How do you test components with inputs and outputs?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
57.

How do you test Angular applications end-to-end?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
58.

How do you customize the Angular CLI build process?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
59.

How do you configure different environments in Angular CLI?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
60.

What is Angular Ivy and what are its benefits?

intermediate

Upgrade to Premium to see the answer

Upgrade to Premium
Showing 41 to 60 of 89 results

Premium Plan

$10.00 /monthly
  • Access all premium content - interview questions, and other learning resources

  • We regularly update our features and content, to ensure you get the most relevant and updated premium content.

  • 1000 monthly credits

  • Cancel anytime