AgularJS Technical Questions – codewindow.in

AngularJS - Questions

Introduction

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1. What is Angular.js and how does it differ from other JavaScript frameworks?

2. What are the key features of Angular.js?

3. Explain the concept of two-way data binding in Angular.js?

4. What is the role of directives in Angular.js?

5. What is a component in Angular.js and how is it different from a directive?

6. What is the difference between Angular.js and Angular?

7. Explain the concept of Dependency Injection in Angular.js?

8. How does Angular.js handle component rendering and updating?

9. Explain the difference between components and services in Angular.js?

10. What is the role of the Angular.js $scope object?

Directives and Components

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11. What is a directive in Angular.js and how does it differ from a component?

12. Explain how you would create a custom directive in Angular.js?

13. What is the role of components in Angular.js and how do they work with templates and data binding?

14. How to communicate between components in Angular.js?

15. Example of how you would use the component lifecycle hooks in Angular.js to implement a specific feature?

16. How does Angular.js handle component initialization and destruction?

17. How does Angular.js handle component template updates, and what happens when the component state changes?

18. Explain the difference between one-way data binding and two-way data binding in Angular.js, and when you would use each one?

19. Describe the role of the component metadata in Angular.js, and how it is used to configure components and directives?

20. How does Angular.js handle change detection, and what techniques can you use to optimize performance in this area?

Modules and Dependency Injection

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21. What is a module in Angular and why is it important?

22. How does Angular implement dependency injection?

23. What are the benefits of using dependency injection in Angular?

24. How to create and register a module in Angular?

25. Explain the difference between a provider and a factory in Angular’s dependency injection system?

26. How to inject a service or a component into another component or service in Angular?

27. Explain the role of the injector in Angular’s dependency injection system?

28. Have you used ng-annotate to add annotations to your Angular code? Can you explain how it works?

29. How to manage the dependencies between modules in an Angular application?

30. What are some of the common problems you have encountered while using dependency injection in Angular, and how did you solve them?

Data Binding and Scope

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31. What is data binding in Angular.js and why is it important?

32. How does Angular.js handle two-way data binding?

33. Explain the concept of scope in Angular.js?

34. How does Angular.js use $scope and $rootScope?

35. What is the difference between isolated and inherited scope in Angular.js?

36. Example of when you would use an isolated scope in Angular.js?

37. How does Angular.js handle changes to the model and updates to the view?

38. Explain the concept of digest cycle in Angular.js?

39. How does Angular.js handle exceptions and errors during data binding?

40. How to use the $watch and $apply methods in Angular.js to manage changes to the scope?

Services, Factories, and Providers

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41. What is the purpose of services, factories, and providers in Angular.js, and how do they differ from each other?

42. Example of when you would use a service versus a factory in Angular.js?

43. How to register a service, factory, or provider in Angular.js and make it available to the rest of your application?

44. How to create a custom service or factory in Angular.js and utilize it in your application?

45. What is dependency injection in Angular.js and how does it relate to services, factories, and providers?

46. How to use dependency injection to pass data or services between different parts of your Angular.js application?

47. Explain the difference between a provider and a factory in Angular.js in terms of when and how they are used in an application?

48. What are the benefits of using services, factories, and providers in Angular.js over traditional JavaScript functions?

49. How does Angular.js handle the lifecycle of a service, factory, or provider and how does this impact their behavior in your application?

50. Have to worked with third-party services or libraries in Angular.js, and if so, how did you integrate them into your application using services, factories, or providers?

Routing and Navigation

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51. What is routing in Angular.js and how does it work?

52. How to define routes and configure navigation in an Angular.js application?

53. What is the difference between the ng Route and ui-router modules in Angular.js for routing?

54. Explain the concept of named views in Angular.js routing?

55. How to implement lazy loading in an Angular.js application for optimizing the performance of large-scale applications?

56. How to handle errors and redirections in Angular.js routing?

57. Explain the concept of nested routes and how to implement them in Angular.js?

58. How to use query parameters and fragments in Angular.js routing?

59. How to implement guarded routes and access control in an Angular.js application?

60. What are some best practices for optimizing and improving the performance of Angular.js routing?

Forms and Validations

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61. Explain the difference between template-driven and reactive forms in Angular?

62. How to bind form data to the model in Angular?

63. What is form control in Angular and how does it help in form validation?

64. How to create custom validators in Angular?

65. Explain the use of ngModel directive in form validation?

66. How to handle errors and error messages in Angular forms?

67. What is async validation in Angular forms and how is it implemented?

68. How to use ngForm directive in Angular forms and what is its purpose?

69. How to update form controls dynamically in Angular?

70. Give an example of how you would implement conditional validation in Angular forms?

HTTP and Web Services

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71. What is the role of $http service in Angular.js?

72. How to make a GET or POST request using $http service in Angular.js?

73. What are the advantages of using the $resource service over $http in Angular.js?

74. Explain the difference between Promise and Observable in Angular.js when making HTTP requests?

75. How to handle errors in Angular.js HTTP requests?

76. Give an example of how you can implement caching for Angular.js HTTP requests?

77. How to set up a secure connection for Angular.js HTTP requests using SSL?

78. How to monitor network traffic and performance for Angular.js HTTP requests?

79. How does Angular.js handle cross-origin resource sharing (CORS) in HTTP requests?

80. Explain the difference between REST and SOAP and which one is preferred in Angular.js?

Testing and Debugging

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81. What are the different types of tests you can perform in Angular and why do you need to perform these tests?

82. Explain the difference between Karma and Protractor in Angular testing?

83. How to debug Angular applications, and what are some common issues that you might face while debugging?

84. Explain the concept of mocking in Angular testing and why is it important?

85. How to set up unit testing in an Angular application and what are some best practices for unit testing in Angular?

86. Explain the difference between shallow and deep testing in Angular and when to use each type of testing?

87. How to perform end-to-end testing in Angular and what are the benefits of performing end-to-end tests?

88. What is Code Coverage and how do you measure code covera.ge in Angular?

89. Explain the role of Jasmine and Selenium in Angular testing?

90. How to handle asynchronous operations in Angular tests and what is the recommended approach for testing asynchronous code in Angular?

Deployment and Optimization

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91. What strategies do you use to optimize the performance of an Angular.js application?

92. Explain how you deploy an Angular.js application to a production environment?

93. How to handle versioning in Angular.js during deployment?

94. Explain the differences between deploying an Angular.js application for development and production?

95. How to ensure the security of an Angular.js application during deployment?

96. Example of a time when you had to optimize an Angular.js application? What steps did you take?

97. How to ensure the compatibility of an Angular.js application with different browsers and devices during deployment?

98. Explain the steps to deploy an Angular.js application to a cloud environment?

99. What techniques do you use to minimize the page load time in an Angular.js application during deployment?

100. How to ensure the scalability of an Angular.js application during deployment?

Emerging Trends and Best Practices

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101. What is the latest version of Angular and what are the new features introduced in it?

102. Explain the difference between Angular and AngularJS?

103. Explain the architecture of an Angular application?

104. How does Angular handle data-binding and how does it differ from other frameworks?

105. What is the role of directives in Angular and how do they differ from components?

106. Explain dependency injection in Angular and why is it important?

107. Discuss the difference between services, factories, and providers in Angular?

108. Explain the routing mechanism in Angular and how it is different from other frameworks?

109. Discuss the use of Forms and Validations in Angular?

110. How does Angular handle HTTP requests and how does it integrate with Web Services?

111. Discuss the testing process in Angular and how it is different from other frameworks?

112. How does Angular handle deployment and optimization and what are the best practices for it?

113. Discuss the latest trends and best practices in Angular development and how do they impact development?

Related Topics

AngularJS - Questions

1. What is Angular.js and how does it differ from other JavaScript frameworks?

2. What are the key features of Angular.js?

3. Explain the concept of two-way data binding in Angular.js?

4. What is the role of directives in Angular.js?

5. What is a component in Angular.js and how is it different from a directive?

6. What is the difference between Angular.js and Angular?

7. Explain the concept of Dependency Injection in Angular.js?

8. How does Angular.js handle component rendering and updating?

9. Explain the difference between components and services in Angular.js?

10. What is the role of the Angular.js $scope object?

11. What is a directive in Angular.js and how does it differ from a component?

12. Explain how you would create a custom directive in Angular.js?

13. What is the role of components in Angular.js and how do they work with templates and data binding?

14. How to communicate between components in Angular.js?

15. Example of how you would use the component lifecycle hooks in Angular.js to implement a specific feature?

16. How does Angular.js handle component initialization and destruction?

17. How does Angular.js handle component template updates, and what happens when the component state changes?

18. Explain the difference between one-way data binding and two-way data binding in Angular.js, and when you would use each one?

19. Describe the role of the component metadata in Angular.js, and how it is used to configure components and directives?

20. How does Angular.js handle change detection, and what techniques can you use to optimize performance in this area?

21. What is a module in Angular and why is it important?

22. How does Angular implement dependency injection?

23. What are the benefits of using dependency injection in Angular?

24. How to create and register a module in Angular?

25. Explain the difference between a provider and a factory in Angular’s dependency injection system?

26. How to inject a service or a component into another component or service in Angular?

27. Explain the role of the injector in Angular’s dependency injection system?

28. Have you used ng-annotate to add annotations to your Angular code? Can you explain how it works?

29. How to manage the dependencies between modules in an Angular application?

30. What are some of the common problems you have encountered while using dependency injection in Angular, and how did you solve them?

31. What is data binding in Angular.js and why is it important?

32. How does Angular.js handle two-way data binding?

33. Explain the concept of scope in Angular.js?

34. How does Angular.js use $scope and $rootScope?

35. What is the difference between isolated and inherited scope in Angular.js?

36. Example of when you would use an isolated scope in Angular.js?

37. How does Angular.js handle changes to the model and updates to the view?

38. Explain the concept of digest cycle in Angular.js?

39. How does Angular.js handle exceptions and errors during data binding?

40. How to use the $watch and $apply methods in Angular.js to manage changes to the scope?

41. What is the purpose of services, factories, and providers in Angular.js, and how do they differ from each other?

42. Example of when you would use a service versus a factory in Angular.js?

43. How to register a service, factory, or provider in Angular.js and make it available to the rest of your application?

44. How to create a custom service or factory in Angular.js and utilize it in your application?

45. What is dependency injection in Angular.js and how does it relate to services, factories, and providers?

46. How to use dependency injection to pass data or services between different parts of your Angular.js application?

47. Explain the difference between a provider and a factory in Angular.js in terms of when and how they are used in an application?

48. What are the benefits of using services, factories, and providers in Angular.js over traditional JavaScript functions?

49. How does Angular.js handle the lifecycle of a service, factory, or provider and how does this impact their behavior in your application?

50. Have to worked with third-party services or libraries in Angular.js, and if so, how did you integrate them into your application using services, factories, or providers?

51. What is routing in Angular.js and how does it work?

52. How to define routes and configure navigation in an Angular.js application?

53. What is the difference between the ng Route and ui-router modules in Angular.js for routing?

54. Explain the concept of named views in Angular.js routing?

55. How to implement lazy loading in an Angular.js application for optimizing the performance of large-scale applications?

56. How to handle errors and redirections in Angular.js routing?

57. Explain the concept of nested routes and how to implement them in Angular.js?

58. How to use query parameters and fragments in Angular.js routing?

59. How to implement guarded routes and access control in an Angular.js application?

60. What are some best practices for optimizing and improving the performance of Angular.js routing?

61. Explain the difference between template-driven and reactive forms in Angular?

62. How to bind form data to the model in Angular?

63. What is form control in Angular and how does it help in form validation?

64. How to create custom validators in Angular?

65. Explain the use of ngModel directive in form validation?

66. How to handle errors and error messages in Angular forms?

67. What is async validation in Angular forms and how is it implemented?

68. How to use ngForm directive in Angular forms and what is its purpose?

69. How to update form controls dynamically in Angular?

70. Give an example of how you would implement conditional validation in Angular forms?

71. What is the role of $http service in Angular.js?

72. How to make a GET or POST request using $http service in Angular.js?

73. What are the advantages of using the $resource service over $http in Angular.js?

74. Explain the difference between Promise and Observable in Angular.js when making HTTP requests?

75. How to handle errors in Angular.js HTTP requests?

76. Give an example of how you can implement caching for Angular.js HTTP requests?

77. How to set up a secure connection for Angular.js HTTP requests using SSL?

78. How to monitor network traffic and performance for Angular.js HTTP requests?