40+ AngularJS MCQs with Answers (2023)
Check out these multiple-choice questions with answers for AngularJS, covering topics such as directives, services, filters, and more. Test your knowledge of this popular JavaScript framework and improve your understanding of its key features and functionality.
What is AngularJS?
- A) A JavaScript framework
- B) A markup language
- C) A server-side language
- D) A database management system
Answer: A) A JavaScript framework
What is the directive in AngularJS?
- A) A template
- B) A function
- C) A custom attribute
- D) A CSS file
Answer: C) A custom attribute
What is the purpose of a service in AngularJS?
- A) To define routing information
- B) To manage user authentication
- C) To provide data to controllers
- D) To handle HTTP requests
Answer: C) To provide data to controllers
What is a scope in AngularJS?
- A) An object that binds the view and the model
- B) A variable that stores a value
- C) A function that defines a controller
- D) A service that manages HTTP requests
Answer: A) An object that binds the view and the model
What is the purpose of the ng-app directive in AngularJS?
- A) To define the root element of the application
- B) To load external modules
- C) To define a custom directive
- D) To bind data to a controller
Answer: A) To define the root element of the application
Which of the following is not a built-in directive in AngularJS?
- A) ng-if
- B) ng-repeat
- C) ng-model
- D) ng-style
- E) ng-submit
Answer: E) ng-submit
What is a controller in AngularJS?
- A) A function that defines a module
- B) A service that provides data to views
- C) An object that manages the scope
- D) A function that handles user events
Answer: C) An object that manages the scope
What is a filter in AngularJS?
- A) A function that modifies the data before it is displayed
- B) A directive that defines a custom validation
- C) A service that manages HTTP requests
- D) An object that stores configuration settings
Answer: A) A function that modifies the data before it is displayed
What is the purpose of the $http service in AngularJS?
- A) To provide data to controllers
- B) To manage user authentication
- C) To handle HTTP requests
- D) To define routing information
Answer: C) To handle HTTP requests
Which of the following is not a benefit of using AngularJS?
- A) Improved testability
- B) Faster development
- C) Better performance
- D) Cross-browser compatibility
Answer: C) Better performance
What is a module in AngularJS?
- A) A function that defines a controller
- B) An object that manages the scope
- C) A collection of services, directives, filters, and controllers
- D) A directive that defines a custom validation
Answer: C) A collection of services, directives, filters, and controllers
What is the purpose of the ng-model directive in AngularJS?
- A) To define a custom directive
- B) To bind data to a controller
- C) To manage user authentication
- D) To create a new scope
Answer: B) To bind data to a controller
What is the purpose of the $scope variable in AngularJS?
- A) To manage user authentication
- B) To define a custom directive
- C) To provide data to controllers
- D) To handle HTTP requests
Answer: C) To provide data to controllers
What is a provider in AngularJS?
- A) A function that defines a module
- B) An object that manages the scope
- C) A service that can be configured before it is used
- D) A directive that defines a custom validation
Answer: C) A service that can be configured before it is used
What is the purpose of the ng-repeat directive in AngularJS?
- A) To define a custom directive
- B) To create a new scope
- C) To bind data to a controller
- D) To repeat HTML elements for each item in a collection
Answer: D) To repeat HTML elements for each item in a collection
What is a factory in AngularJS?
- A) A function that defines a module
- B) An object that manages the scope
- C) A service that returns a value or an object
- D) A directive that defines a custom validation
Answer: C) A service that returns a value or an object
What is dependency injection in AngularJS?
- A) A way to manage user authentication
- B) A way to define a custom directive
- C) A way to provide the dependencies needed by a function or a service
- D) A way to handle HTTP requests
Answer: C) A way to provide the dependencies needed by a function or a service
What is a provider recipe in AngularJS?
- A) A way to configure a provider
- B) A way to define a custom directive
- C) A way to manage user authentication
- D) A way to handle HTTP requests
Answer: A) A way to configure a provider
What is the purpose of the $routeParams service in AngularJS?
- A) To define routing information
- B) To manage user authentication
- C) To provide data to controllers
- D) To handle HTTP requests
Answer: A) To define routing information
What is the difference between one-way binding and two-way binding in AngularJS?
- A) One-way binding updates the view only, while two-way binding updates both the view and the model
- B) One-way binding updates the model only, while two-way binding updates both the model and the view
- C) One-way binding updates the view asynchronously, while two-way binding updates the view synchronously
- D) One-way binding updates the model asynchronously, while two-way binding updates the model synchronously
Answer: B) One-way binding updates the model only, while two-way binding updates both the model and the view.
What is the purpose of the ng-if directive in AngularJS?
- A) To repeat HTML elements for each item in a collection
- B) To manage user authentication
- C) To conditionally create or remove an element
- D) To provide data to controllers
Answer: C) To conditionally create or remove an element
What is the difference between a directive and a component in AngularJS?
- A) A component is a type of directive that has its own template and controller
- B) A directive is a type of component that has its own template and controller
- C) A component is a type of service that provides functionality to a controller
- D) A directive is a type of filter that modifies data in the view
Answer: A) A component is a type of directive that has its own template and controller
What is the purpose of the $timeout service in AngularJS?
- A) To handle HTTP requests
- B) To provide data to controllers
- C) To delay the execution of a function
- D) To create a new scope
Answer: C) To delay the execution of a function
What is a digest cycle in AngularJS?
- A) A way to handle HTTP requests
- B) A way to manage user authentication
- C) A process that updates the view and detects changes in the model
- D) A process that repeats a function at a specific interval
Answer: C) A process that updates the view and detects changes in the model
What is a filter in AngularJS?
- A) A service that returns a value or an object
- B) A directive that modifies the behavior of HTML elements
- C) A way to conditionally create or remove an element
- D) A way to modify data in the view
Answer: D) A way to modify data in the view
What is the purpose of the ng-switch directive in AngularJS?
- A) To manage user authentication
- B) To create a new scope
- C) To conditionally create or remove an element
- D) To conditionally show or hide multiple elements
Answer: D) To conditionally show or hide multiple elements
What is a constant in AngularJS?
- A) A value that can be modified at runtime
- B) A value that can be injected into a controller or a service
- C) A value that is defined globally for the application
- D) A value that is defined within a module
Answer: C) A value that is defined globally for the application
What is the purpose of the ng-options directive in AngularJS?
- A) To create a new scope
- B) To manage user authentication
- C) To repeat HTML elements for each item in a collection
- D) To generate a list of options for a select element
Answer: D) To generate a list of options for a select element
What is the purpose of the $rootScope in AngularJS?
- A) To provide data to controllers
- B) To handle HTTP requests
- C) To define routing information
- D) To share data between controllers and scopes
Answer: D) To share data between controllers and scopes
What is the purpose of the ng-repeat directive in AngularJS?
- A) To handle HTTP requests
- B) To manage user authentication
- C) To repeat HTML elements for each item in a collection
- D) To conditionally create or remove an element
Answer: C) To repeat HTML elements for each item in a collection
What is the purpose of the $location service in AngularJS?
- A) To handle HTTP requests
- B) To manage user authentication
- C) To define routing information
- D) To provide data to controllers
Answer: C) To define routing information
What is the purpose of the ng-model directive in AngularJS?
- A) To manage user authentication
- B) To handle HTTP requests
- C) To provide data to controllers
- D) To bind input fields to a variable in the model
Answer: D) To bind input fields to a variable in the model
What is the purpose of the ng-disabled directive in AngularJS?
- A) To disable an element
- B) To conditionally show or hide an element
- C) To conditionally create or remove an element
- D) To handle HTTP requests
Answer: A) To disable an element
What is a service in AngularJS?
- A) A way to modify data in the view
- B) A way to provide data to controllers
- C) A way to handle HTTP requests
- D) A way to share code across an application
Answer: D) A way to share code across an application
What is the purpose of the $compile service in AngularJS?
- A) To handle HTTP requests
- B) To create a new scope
- C) To compile HTML elements with directives and expressions
- D) To provide data to controllers
Answer: C) To compile HTML elements with directives and expressions
What is the purpose of the $routeParams service in AngularJS?
- A) To handle HTTP requests
- B) To provide data to controllers
- C) To define routing information
- D) To manage user authentication
Answer: C) To define routing information
What is the difference between a service and a factory in AngularJS?
- A) A factory returns an object or a function, while a service returns a value or an object
- B) A service is a function that can be injected into controllers or other services, while a factory is a method that creates an object or a function
- C) A service is a way to share code across an application, while a factory is a way to provide data to controllers
- D) There is no difference between a service and a factory in AngularJS
Answer: B) A service is a function that can be injected into controllers or other services, while a factory is a method that creates an object or a function
What is the purpose of the ng-show directive in AngularJS?
- A) To show or hide an element based on a condition
- B) To repeat HTML elements for each item in a collection
- C) To provide data to controllers
- D) To handle HTTP requests
Answer: A) To show or hide an element based on a condition
What is the purpose of the ng-click directive in AngularJS?
- A) To bind input fields to a variable in the model
- B) To handle HTTP requests
- C) To conditionally show or hide an element
- D) To execute a function when an element is clicked
Answer: D) To execute a function when an element is clicked
What is the purpose of the ng-class directive in AngularJS?
- A) To manage user authentication
- B) To handle HTTP requests
- C) To provide data to controllers
- D) To conditionally add or remove CSS classes based on a condition
Answer: D) To conditionally add or remove CSS classes based on a condition
What is a filter in AngularJS?
- A) A way to format and transform data in the view
- B) A way to handle HTTP requests
- C) A way to manage user authentication
- D) A way to define routing information
Answer: A) A way to format and transform data in the view
What is the purpose of the $q service in AngularJS?
- A) To handle HTTP requests
- B) To manage user authentication
- C) To define routing information
- D) To manage promises and deferred objects
Answer: D) To manage promises and deferred objects
What is the purpose of the ng-options directive in AngularJS?
- A) To handle HTTP requests
- B) To conditionally show or hide an element
- C) To provide data to controllers
- D) To generate a list of options for a select element
Answer: D) To generate a list of options for a select element
What is the purpose of the $filter service in AngularJS?
- A) To handle HTTP requests
- B) To provide data to controllers
- C) To define routing information
- D) To apply a filter to an expression in the view
Answer: D) To apply a filter to an expression in the view
What is the purpose of the ng-submit directive in AngularJS?
- A) To handle HTTP requests
- B) To execute a function when a form is submitted
- C) To conditionally show or hide an element
- D) To provide data to controllers
Answer: B) To execute a function when a form is submitted
Also, check these MCQs:
- jQuery MCQs – https://www.provishal.com/jquery-mcqs || Explore a wide range of multiple-choice questions (MCQs) on jQuery and test your knowledge of this popular JavaScript library.
- JavaScript MCQs – https://www.provishal.com/javascript-mcqs || Challenge yourself with an assortment of multiple choice questions (MCQs) on JavaScript and improve your understanding of this powerful programming language.
- CSS MCQs – https://www.provishal.com/css-mcqs || Check out a collection of multiple choice questions (MCQs) on CSS and boost your proficiency in styling web pages.
- HTML MCQs – https://www.provishal.com/html-mcqs || Test your expertise in HTML with a variety of multiple-choice questions (MCQs) on this fundamental markup language.
