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

1. Explain the role of ng-href in AngularJS.

To create a new controller

To conditionally disable form elements

To enhance accessibility by adding HREF attributes

To define a reusable AngularJS component

2. Explain the role of $compile service in AngularJS.

To handle HTTP requests

To create a new AngularJS module

To compile and link HTML elements with directives

AngularJS does not have a $compile service

3. 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

4. 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

5. 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

6. Which directive is used for two-way data binding in AngularJS?

ng-repeat

ng-model

ng-if

ng-switch

7. 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

8. Explain the role of ng-paste in AngularJS.

To create a new controller

To conditionally disable form elements

To enhance accessibility by adding paste event handling

To define a reusable AngularJS component

9. What is the purpose of $routeProvider 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 $routeProvider

10. Explain the concept of AngularJS filters.

Functions that transform the output of expressions

AngularJS does not support filters

Pre-built HTML elements

Static HTML templates

11. What is AngularJS?

A programming language

A front-end framework

A database management system

An operating system

12. 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

13. How do you handle dependency injection in AngularJS?

By using external dependency injection frameworks

AngularJS does not support dependency injection

By manually injecting dependencies into controllers

By relying on the built-in $injector service

14. How can you communicate between AngularJS components?

Using global variables

Direct manipulation of the DOM

Using services and events

AngularJS components cannot communicate

15. How can you optimize the performance of a large AngularJS application?

By using external performance optimization tools

AngularJS applications are inherently optimized

By minimizing the use of $watch and $apply

By using ng-repeat extensively

16. 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

17. 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

18. 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

19. 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

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

To define options for ng-model

To create a new controller

To manage routing within an AngularJS application

To conditionally show or hide an element

21. 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

22. What is the purpose of $digest cycle in AngularJS?

To clean up memory leaks

To handle DOM manipulation

To update the scope and trigger watchers

To define a new service

23. 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

24. How do you perform unit testing in AngularJS?

By using external testing frameworks

AngularJS does not support unit testing

By relying on manual testing only

By using the built-in testing module 'ng-test'

25. 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

26. What is the role of $location service in AngularJS?

To handle HTTP requests

To manage routing within an AngularJS application

To create a new instance of a controller

To access information about the current URL

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

ng-class

class-bind

ng-style

style-bind

28. How does AngularJS handle security concerns, such as cross-site scripting (XSS)?

By relying on the browser's built-in security features

AngularJS does not address security concerns

By using a strict Content Security Policy (CSP)

By automatically escaping output in templates

29. 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

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

AngularJS MCQ Test 3