Hard Angularjs Test - 77+ MCQs: AngularJS test: Evaluate Your Knowledge with AngularJS Questions and Answers

1. Which AngularJS directive is used for form validation?

ng-form

ng-validate

ng-input

ng-validator

2. How can you handle route changes in AngularJS?

By using the $routeChange service

AngularJS does not provide a way to handle route changes

By relying on the browser's built-in navigation

By using the ng-route directive

3. What is the purpose of ng-disabled directive in AngularJS?

To create a new instance of a controller

To conditionally disable form elements

To define a reusable AngularJS component

To handle DOM manipulation

4. How do you include external templates in an AngularJS application?

By using the <template> tag in HTML

AngularJS does not support external templates

By using the ng-template directive

By importing directly within the controller

5. What is the purpose of ng-app directive in AngularJS?

To define the application name

To bootstrap the AngularJS application

To create a new AngularJS component

To handle HTTP requests

6. What is the purpose of ng-form directive in AngularJS?

To create a new instance of a controller

To conditionally disable form elements

To define a reusable AngularJS component

To create a container for form controls and validation

7. How can you handle asynchronous operations in AngularJS?

By using async/await syntax

AngularJS does not support asynchronous operations

By relying on JavaScript's native asynchronous capabilities

By using promises and $q service

8. Explain the concept of dependency injection in AngularJS.

Injecting dependencies into AngularJS templates

Managing external dependencies within AngularJS components

Injecting code snippets into controllers

AngularJS does not support dependency injection

9. What is the AngularJS expression to bind a class dynamically?

ng-class

class-bind

ng-style

style-bind

10. What is the purpose of ng-href directive in AngularJS?

To create a new instance of a controller

To conditionally disable form elements

To define a reusable AngularJS component

To dynamically set the href attribute

11. What is the role of $timeout service in AngularJS?

To manage routing within an AngularJS application

To handle HTTP requests

To define a new service

To execute a function after a specified delay

12. How can you implement custom directives in AngularJS?

By using external JavaScript libraries only

AngularJS does not support custom directives

By relying on built-in directives only

By using the directive() function and defining a link function

13. What is the purpose of ng-bind-html-unsafe in AngularJS?

To bind a model to a view

To create a clickable element

To bind HTML content to a variable

To bind untrusted HTML content to a variable without sanitization

14. What is the AngularJS expression to bind a variable?

{ variable }

[[ variable ]]

( variable )

15. What is dependency injection in AngularJS?

A technique for managing external dependencies

A process of injecting code snippets into Angular components

A way to handle circular dependencies in code

A design pattern to improve code modularity

16. How do you handle errors in AngularJS applications?

Using try-catch blocks

AngularJS does not have error handling mechanisms

By using the $exceptionHandler service

By relying on browser console errors

17. How do you prevent the default behavior of an HTML form in AngularJS?

By using the ng-no-submit directive

By defining a custom submit event

AngularJS does not provide a way to prevent form submission

By using the ng-prevent-default directive

18. Explain the concept of decorators in AngularJS.

Adding behavior to existing services or directives

Creating new HTML elements

AngularJS does not support decorators

Styling AngularJS components

19. Explain the concept of digest cycle in AngularJS.

The process of updating the DOM

Handling scope changes and updating the view

Executing asynchronous tasks

AngularJS does not have a digest cycle

20. What is the purpose of ng-cloak directive in AngularJS?

To create a new controller

To conditionally disable form elements

To prevent the display of uncompiled AngularJS templates

To create animations within AngularJS templates

21. Explain the concept of AngularJS directives.

Pre-built HTML elements

Reusable components defining custom behavior

Static HTML templates

AngularJS does not support directives

22. Explain the concept of AngularJS decorators.

Adding behavior to existing services or directives

Creating new HTML elements

AngularJS does not support decorators

Styling AngularJS components

23. What is two-way data binding in AngularJS?

Binding data from the model to the view

Binding data from the view to the model

Synchronization of data between model and view

One-time data synchronization

24. What is the purpose of ng-animate in AngularJS?

To create animations within AngularJS templates

To define a new service

To handle HTTP requests

AngularJS does not have ng-animate

25. What is the purpose of $rootScope in AngularJS?

To define the root HTML element

To create a new AngularJS module

To store global data accessible across the entire application

AngularJS does not have a $rootScope

26. Explain the role of ng-include directive in AngularJS.

To create a new controller

To conditionally disable form elements

To include external templates or HTML files

To define a reusable AngularJS component

27. What is the purpose of ng-bind directive in AngularJS?

To bind a model to a view

To create a clickable element

To conditionally show or hide an element

To repeat a block of HTML code

28. What is the purpose of ng-bind-html in AngularJS?

To bind a model to a view

To create a clickable element

To bind HTML content to a variable

To conditionally show or hide an element

29. What does $http service in AngularJS do?

Handles HTTP requests

Defines a new controller

Manages routing within an AngularJS application

Creates a clickable element

30. What is the purpose of ng-controller directive in AngularJS?

To create a new controller

To define a new service

To manage routing within an AngularJS application

To create a clickable element

31. How can you handle lazy loading of modules in AngularJS?

By using external JavaScript loaders only

AngularJS does not support lazy loading

By using the $route service

By using ocLazyLoad or a similar library

32. Explain the role of ng-aria in AngularJS applications.

To create a new instance of a controller

To conditionally disable form elements

To enhance accessibility by adding ARIA attributes

To create animations within AngularJS templates

33. What is the purpose of ng-model-options in AngularJS?

To create a new controller

To conditionally disable form elements

To provide configuration options for ng-model

To define a reusable AngularJS component

34. What is the purpose of $filter service in AngularJS?

To create custom filters for data manipulation

To manage routing within an AngularJS application

To define a new controller

To handle HTTP requests

35. How can you communicate between AngularJS components?

Using global variables

Direct manipulation of the DOM

Using services and events

AngularJS components cannot communicate

36. How do you handle HTTP requests in AngularJS?

By using external libraries only

AngularJS does not support HTTP requests

By relying on the browser's native capabilities

By using the $http service

37. What is the purpose of ng-transclude directive in AngularJS?

To create a new controller

To conditionally show or hide an element

To repeat a block of HTML code

To include external content in a directive

38. How can you implement two-way data binding in AngularJS?

Using ng-bind directive

By manually updating the model and view

Using ng-model directive

AngularJS does not support two-way data binding

39. How can you handle internationalization (i18n) in AngularJS?

By using external libraries only

AngularJS does not support internationalization

By relying on browser settings

By using the built-in $translate service or similar libraries

40. What is the purpose of ng-click directive in AngularJS?

To define a new controller function

To handle click events

To create a clickable element

To apply CSS styles on click

41. Explain the role of ng-view in AngularJS routing.

To create a new view in AngularJS

To define a new controller for a view

To manage navigation between different views

AngularJS does not have a ng-view directive

42. What is the purpose of $sce service in AngularJS?

To create a new instance of a controller

To handle HTTP requests

To manage routing within an AngularJS application

To provide Strict Contextual Escaping and enhance security

43. What is the role of $resource service in AngularJS?

To manage routing within an AngularJS application

To handle HTTP requests

To define a new service

AngularJS does not have a $resource service

44. What is the purpose of $q service in AngularJS?

To manage routing within an AngularJS application

To handle HTTP requests

To define a new service

To work with promises and deferred objects

45. What is the purpose of ng-repeat directive in AngularJS?

To repeat a block of HTML code multiple times

To create a new instance of a controller

To define a reusable AngularJS component

To manage routing within an AngularJS application

46. What is the purpose of $watch in AngularJS?

To manage routing within an AngularJS application

To create a new instance of a controller

To observe changes in variables and trigger a callback

To handle form validation

47. What is AngularJS?

A programming language

A front-end framework

A database management system

An operating system

48. What does $scope represent in AngularJS?

A built-in AngularJS function

The root scope of the application

A global variable

A local variable within a controller

49. How can you optimize performance in an AngularJS application?

By using external performance optimization tools

AngularJS applications are inherently optimized

By minimizing the use of ng-repeat

By disabling AngularJS features

50. Explain the concept of transclusion in AngularJS.

Copying content from one element to another

Using ng-transclude to include external content

Injecting dependencies into AngularJS templates

AngularJS does not support transclusion

AngularJS MCQ Test 1