AngularJS Developer Interview Questions & Answers

---

AngularJS developers are skilled JavaScript Developers who also have knowledge and experience with some theoretical concepts of AngularJS, a JavaScript-based open-source front-end web framework.

Whether you're a job seeker preparing to be interviewed for the role of AngularJS Developer or an employer preparing to interview candidates for AngularJS Developer position, these AngularJS Developer interview questions will help you prepare yourself for the job interview session.

AngularJS Developer Interview Questions

Below are a list of some skill-based AngularJS Developer interview questions.

1. What is AngularJS?
2. How do you set up an AngularJS app?
3. How much experience do you have with AngularJS?
4. What have you created using AngularJS?
5. What do you think are the main advantages of using angular?
6. How do you conceptualize and design a user interface?
7. If you had to choose one, what is your preferred development environment for Angular?
8. What is a weakness you have with front-end development?
9. What is bootstrapping?
10. When would you use an event in AngularJS?
11. When would you use the link function?
12. Can you explain what HTML5 mode is?
13. How would you describe a directive?
14. What is the difference between expressions in AngularJS and JavaScript?
15. How would you go about debugging an AngularJS performance issue?
16. Explain $scope, scope and directive scopes in AngularJS?
17. What is ng-init used for?
18. When is $location service used in AngularJS? What can it not do?
19. What do you understand to be angular best practices?
20. What other coding languages or frameworks do you understand?
21. What is the most advanced application you've created with AngularJS?
22. What problems have you experienced when using AngularJS?
23. What do you think is the most difficult part of creating a front-end interface?
24. What is the difference between the DOM and the BOM?
25. If you had to choose one, what is your preferred development environment for Angular?
26. What are three ways you can communicate between your application modules using AngularJS functionality?
27. Do you have experience using the RxJS library?
28. Which browsers are AngularJS compatible?
29. When would you use the NgModule decorator?
30. What are the various types of directives?
31. What is E2E testing?
32. We want to make sure our Angular code is easy to read and maintain. How would you accomplish this?
33. Name the two benefits of dependency injection
34. What happens in a Single Page Application?
35. Describe your experience with unit testing.
36. What is the digest cycle?
37. What are three ways to decrease digest cycle time?
38. Name the three architectural components of AngularJS
39. Name and describe one of the tools used to test AngularJS applications
40. What are AngularJS modules?
41. What does a $routeProvider do?
42. Name three built-in validators in AngularJS
43. When would you use window.location in AngularJS?
44. Name some of the key differences between AngularJS and Angular2
45. What are some of the disadvantages of using AngularJS?
46. Explain how $scope.$apply() works
47. How do you hide an HTML element using a button click in AngularJS?
48. Why are the prefixes $ and $$ used and how are they used?
49. If you were to migrate from Angular 1.4 to Angular 1.5, what is the main thing that would need refactoring?
50. What is transclusion?
51. Is it a good or bad practice to use AngularJS together with jQuery?
52. What are pipes in AngularJS?
53. What are filters in AngularJS?
54. How do filters work?
55. How do you share data between controllers in AngularJs?
56. What is an interceptor? What are common uses of it?
57. How would you programmatically change or adapt the template of a directive before it is executed and transformed?
58. How do you disable a button depending on a checkbox’s state?
59. How would you implement application-wide exception handling in your Angular app?
60. How would you make an Angular service return a promise? Write a code snippet as an example
61. How would you react to model changes to trigger some further action? For instance, say you have an input text field called email and you want to trigger or execute some code as soon as a user starts to type in their email.
62. What is the syntax of ForEach loop? which loop would you use to parse a JSON and why?
63. Can there be two ng-app for a single angular application?
64. What are custom filters? Write down a syntax of the same?
65. Where should one use form action instead of $http for accessing a method on a server?
66. What is the purpose of find index in AngularJS and what does it return if no value is found?
67. Can I set an angular variable from PHP session variable without sending an HTTP request?
68. What makes you the best candidate for this AngularJS developer position?

AngularJS Developer Interview Questions and Answers

Every interview is different and the questions may vary. However, there are lots of general questions that get asked at every interview.

Below are some common questions you'd expect during AngularJS Developer interviews. Click on each question to see how to answer them.

1. Why Do You Want To Leave Your Current Job?
2. What is Your Greatest Strength?
3. Tell Me About Yourself
4. Why Do You Want This Job?
5. Are You a Leader or a Follower?
6. What Is Your Greatest Accomplishment?
7. What is Your Salary Expectation?
8. Do You Have Any Questions for Us?
9. Why Should We Hire You?
10. What is Your Greatest Weakness?

---