{"id":10165,"date":"2023-05-01T11:52:37","date_gmt":"2023-05-01T11:52:37","guid":{"rendered":"https:\/\/www.scmgalaxy.com\/tutorials\/?p=10165"},"modified":"2023-06-19T13:29:52","modified_gmt":"2023-06-19T13:29:52","slug":"top-50-angularjs-interview-questions-with-answers","status":"publish","type":"post","link":"https:\/\/www.scmgalaxy.com\/tutorials\/top-50-angularjs-interview-questions-with-answers\/","title":{"rendered":"Top 50 AngularJs Interview Questions with Answers"},"content":{"rendered":"
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\"\"
AngularJs Interview Questions with Answers<\/em><\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n
    \n
  1. What is AngularJS?
    a) A server-side language
    b) A database management system
    c) A front-end web application framework<\/li>\n<\/ol>\n\n\n\n

    Answer: c) A front-end web application framework<\/h4>\n\n\n\n
      \n
    1. What are directives in AngularJS?
      a) A set of rules
      b) A schema
      c) Extensions to HTML with new attributes and elements<\/li>\n<\/ol>\n\n\n\n

      Answer: c) Extensions to HTML with new attributes and elements<\/h4>\n\n\n\n
        \n
      1. What is data binding in AngularJS?
        a) An algorithm to compress data
        b) Synchronizing data between model and view
        c) Caching data for faster retrieval<\/li>\n<\/ol>\n\n\n\n

        Answer: b) Synchronizing data between model and view<\/h4>\n\n\n\n
          \n
        1. What is the purpose of ng-app directive in AngularJS?
          a) To define the root element of an application
          b) To define the ng-model attribute
          c) To define a dependency injection<\/li>\n<\/ol>\n\n\n\n

          Answer: a) To define the root element of an application<\/h4>\n\n\n\n
            \n
          1. What is AngularJS Expression?
            a) Combination of Variables, Operators, and Literals
            b) An AngularJS module
            c) An AngularJS template<\/li>\n<\/ol>\n\n\n\n

            Answer: a) Combination of Variables, Operators, and Literals<\/h4>\n\n\n\n
              \n
            1. What is $scope in AngularJS?
              a) A predefined AngularJS object
              b) A global variable
              c) A local variable<\/li>\n<\/ol>\n\n\n\n

              Answer: a) A predefined AngularJS object<\/h4>\n\n\n\n
                \n
              1. What is a service in AngularJS?
                a) A reusable business logic
                b) A web page
                c) A Java program<\/li>\n<\/ol>\n\n\n\n

                Answer: a) A reusable business logic<\/h4>\n\n\n\n
                  \n
                1. Which built-in directive is used to loop through an array or object in AngularJS?
                  a) ng-repeat
                  b) ng-click
                  c) ng-class<\/li>\n<\/ol>\n\n\n\n

                  Answer: a) ng-repeat<\/h4>\n\n\n\n
                    \n
                  1. What is the use of ng-model directive in AngularJS?
                    a) To define a model property
                    b) To bind HTML elements to a model
                    c) To define a function<\/li>\n<\/ol>\n\n\n\n

                    Answer: b) To bind HTML elements to a model<\/h4>\n\n\n\n
                      \n
                    1. What is the use of ng-show directive in AngularJS?
                      a) To show or hide HTML elements based on an expression
                      b) To define a model property
                      c) To define a function<\/li>\n<\/ol>\n\n\n\n

                      Answer: a) To show or hide HTML elements based on an expression<\/h4>\n\n\n\n
                        \n
                      1. What is the difference between one-way data binding and two-way data binding in AngularJS?
                        a) One-way data binding updates the model and the view, while two-way data binding only updates the model.
                        b) One-way data binding updates the model only, while two-way data binding updates the model and the view.
                        c) One-way data binding updates the view only, while two-way data binding updates the model and the view.<\/li>\n<\/ol>\n\n\n\n

                        Answer: b) One-way data binding updates the model only, while two-way data binding updates the model and the view.<\/h4>\n\n\n\n
                          \n
                        1. What is $rootScope in AngularJS?
                          a) A scope that is shared by all controllers in an application
                          b) A scope that is isolated from all other scopes
                          c) A scope that is only accessible from a specific controller<\/li>\n<\/ol>\n\n\n\n

                          Answer: a) A scope that is shared by all controllers in an application<\/h4>\n\n\n\n
                            \n
                          1. What is a module in AngularJS?
                            a) A function that returns an object
                            b) A JavaScript file
                            c) A predefined object in AngularJS<\/li>\n<\/ol>\n\n\n\n

                            Answer: a) A function that returns an object<\/h4>\n\n\n\n
                              \n
                            1. What is the difference between $http and $resource in AngularJS?
                              a) $http is used for read-only data, while $resource is used for both read and write operations.
                              b) $http is used for both read and write operations, while $resource is used for read-only data.
                              c) $http and $resource are identical in functionality.<\/li>\n<\/ol>\n\n\n\n

                              Answer: a) $http is used for read-only data, while $resource is used for both read and write operations.<\/h4>\n\n\n\n
                                \n
                              1. What is dependency injection in AngularJS?
                                a) A way of passing dependencies to a function
                                b) A way of injecting dependencies into a controller
                                c) A way of defining dependencies in a module<\/li>\n<\/ol>\n\n\n\n

                                Answer: a) A way of passing dependencies to a function<\/h4>\n\n\n\n
                                  \n
                                1. What is the use of ng-model-options directive in AngularJS?
                                  a) To define options for ng-model directive
                                  b) To define options for ng-repeat directive
                                  c) To define options for ng-show directive<\/li>\n<\/ol>\n\n\n\n

                                  Answer: a) To define options for ng-model directive<\/h4>\n\n\n\n
                                    \n
                                  1. What is the difference between ng-if and ng-show in AngularJS?
                                    a) ng-if removes the element from the DOM, while ng-show hides the element.
                                    b) ng-show removes the element from the DOM, while ng-if hides the element.
                                    c) ng-if and ng-show are identical in functionality.<\/li>\n<\/ol>\n\n\n\n

                                    Answer: a) ng-if removes the element from the DOM, while ng-show hides the element.<\/h4>\n\n\n\n
                                      \n
                                    1. What is the use of $q service in AngularJS?
                                      a) To create promises
                                      b) To create controllers
                                      c) To create directives<\/li>\n<\/ol>\n\n\n\n

                                      Answer: a) To create promises<\/h4>\n\n\n\n
                                        \n
                                      1. What is the use of dependency injection in AngularJS?
                                        a) To decouple modules from each other
                                        b) To couple modules together
                                        c) To reduce the size of modules<\/li>\n<\/ol>\n\n\n\n

                                        Answer: a) To decouple modules from each other<\/h4>\n\n\n\n
                                          \n
                                        1. What is angular.bootstrap() method in AngularJS?
                                          a) A method to manually bootstrap an AngularJS application
                                          b) A method to define a controller
                                          c) A method to define a dependency injection<\/li>\n<\/ol>\n\n\n\n

                                          Answer: a) A method to manually bootstrap an AngularJS application<\/h4>\n\n\n\n
                                            \n
                                          1. What is the use of ng-options in AngularJS?
                                            a) To bind a drop-down list to a model
                                            b) To define options for ng-if directive
                                            c) To define options for ng-show directive<\/li>\n<\/ol>\n\n\n\n

                                            Answer: a) To bind a drop-down list to a model<\/h4>\n\n\n\n
                                              \n
                                            1. Which built-in directive is used to bind HTML content in AngularJS?
                                              a) ng-bind
                                              b) ng-model
                                              c) ng-repeat<\/li>\n<\/ol>\n\n\n\n

                                              Answer: a) ng-bind<\/h4>\n\n\n\n
                                                \n
                                              1. What is $http service in AngularJS?
                                                a) A service to make HTTP requests
                                                b) A service to create controllers
                                                c) A service to create directives<\/li>\n<\/ol>\n\n\n\n

                                                Answer: a) A service to make HTTP requests<\/h4>\n\n\n\n
                                                  \n
                                                1. What is AngularJS filter?
                                                  a) A piece of code that transforms the data
                                                  b) A part of an AngularJS module
                                                  c) A type of HTML template<\/li>\n<\/ol>\n\n\n\n

                                                  Answer: a) A piece of code that transforms the data<\/h4>\n\n\n\n
                                                    \n
                                                  1. What is the use of ng-submit directive in AngularJS?
                                                    a) To define a model property
                                                    b) To bind HTML elements to a model
                                                    c) To handle form submission<\/li>\n<\/ol>\n\n\n\n

                                                    Answer: c) To handle form submission<\/h4>\n\n\n\n
                                                      \n
                                                    1. What is the use of $routeParams service in AngularJS?
                                                      a) To get the value of route parameters
                                                      b) To create a new route
                                                      c) To define a dependency injection<\/li>\n<\/ol>\n\n\n\n

                                                      Answer: a) To get the value of route parameters<\/h4>\n\n\n\n
                                                        \n
                                                      1. What is the use of ng-mouseover directive in AngularJS?
                                                        a) To handle mouse hover event
                                                        b) To handle mouse click event
                                                        c) To handle mouse wheel event<\/li>\n<\/ol>\n\n\n\n

                                                        Answer: a) To handle mouse hover event<\/h4>\n\n\n\n
                                                          \n
                                                        1. What is the use of ng-blur directive in AngularJS?
                                                          a) To bind HTML elements
                                                          b) To handle button press event
                                                          c) To handle input element losing focus<\/li>\n<\/ol>\n\n\n\n

                                                          Answer: c) To handle input element losing focus<\/h4>\n\n\n\n
                                                            \n
                                                          1. What is the use of ng-style directive in AngularJS?
                                                            a) To define a model property
                                                            b) To bind HTML elements to a model
                                                            c) To set CSS styles dynamically<\/li>\n<\/ol>\n\n\n\n

                                                            Answer: c) To set CSS styles dynamically<\/h4>\n\n\n\n
                                                              \n
                                                            1. What is the use of ng-cloak directive in AngularJS?
                                                              a) To set styles for elements that have not been loaded yet
                                                              b) To hide elements that have not been loaded yet
                                                              c) To prevent elements from flashing before the AngularJS application is fully loaded<\/li>\n<\/ol>\n\n\n\n

                                                              Answer: c) To prevent elements from flashing before the AngularJS application is fully loaded<\/h4>\n\n\n\n
                                                                \n
                                                              1. What is the use of $rootScope.$broadcast() method in AngularJS?
                                                                a) To broadcast an event to all child scopes
                                                                b) To broadcast an event to all parent scopes
                                                                c) To broadcast an event to a specific scope<\/li>\n<\/ol>\n\n\n\n

                                                                Answer: a) To broadcast an event to all child scopes<\/h4>\n\n\n\n
                                                                  \n
                                                                1. What is $location service in AngularJS?
                                                                  a) A service to manipulate the URL
                                                                  b) A service to create controllers
                                                                  c) A service to create directives<\/li>\n<\/ol>\n\n\n\n

                                                                  Answer: a) A service to manipulate the URL<\/h4>\n\n\n\n
                                                                    \n
                                                                  1. What is the use of ng-bind-html directive in AngularJS?
                                                                    a) To bind text content to HTML
                                                                    b) To bind HTML content to a model
                                                                    c) To bind HTML content to HTML<\/li>\n<\/ol>\n\n\n\n

                                                                    Answer: b) To bind HTML content to a model<\/h4>\n\n\n\n
                                                                      \n
                                                                    1. What is the use of angular.module() method in AngularJS?
                                                                      a) To define a module
                                                                      b) To define a controller
                                                                      c) To define a directive<\/li>\n<\/ol>\n\n\n\n

                                                                      Answer: a) To define a module<\/h4>\n\n\n\n
                                                                        \n
                                                                      1. What is the purpose of ng-include directive in AngularJS?
                                                                        a) To include external HTML templates to AngularJS application
                                                                        b) To include JavaScript files to AngularJS application
                                                                        c) To include CSS files to AngularJS application<\/li>\n<\/ol>\n\n\n\n

                                                                        Answer: a) To include external HTML templates to AngularJS application<\/h4>\n\n\n\n
                                                                          \n
                                                                        1. What is the use of ng-bind-template directive in AngularJS?
                                                                          a) To bind text content to HTML
                                                                          b) To bind HTML content to a model
                                                                          c) To bind multiple expressions to a template<\/li>\n<\/ol>\n\n\n\n

                                                                          Answer: c) To bind multiple expressions to a template<\/h4>\n\n\n\n
                                                                            \n
                                                                          1. What is the use of ng-init directive in AngularJS?
                                                                            a) To execute code when an element is initialized
                                                                            b) To define a model property
                                                                            c) To bind HTML elements to a model<\/li>\n<\/ol>\n\n\n\n

                                                                            Answer: a) To execute code when an element is initialized<\/h4>\n\n\n\n
                                                                              \n
                                                                            1. What is $routeProvider in AngularJS?
                                                                              a) A service to define routes
                                                                              b) A service to define controllers
                                                                              c) A service to define directives<\/li>\n<\/ol>\n\n\n\n

                                                                              Answer: a) A service to define routes<\/h4>\n\n\n\n
                                                                                \n
                                                                              1. What is the use of ng-view directive in AngularJS?
                                                                                a) To define a view template
                                                                                b) To define a controller
                                                                                c) To define a directive<\/li>\n<\/ol>\n\n\n\n

                                                                                Answer: a) To define a view template<\/h4>\n\n\n\n
                                                                                  \n
                                                                                1. What is the use of ng-class directive in AngularJS?
                                                                                  a) To define a model property
                                                                                  b) To bind HTML elements to a model
                                                                                  c) to apply CSS classes dynamically<\/li>\n<\/ol>\n\n\n\n

                                                                                  Answer: c) to apply CSS classes dynamically<\/h4>\n\n\n\n
                                                                                    \n
                                                                                  1. What is the use of $watch service in AngularJS?
                                                                                    a) To watch for changes in a model property
                                                                                    b) To create a new model property
                                                                                    c) To define a dependency injection<\/li>\n<\/ol>\n\n\n\n

                                                                                    Answer: a) To watch for changes in a model property<\/h4>\n\n\n\n
                                                                                      \n
                                                                                    1. What is the use of ng-form directive in AngularJS?
                                                                                      a) To define a form element
                                                                                      b) To define a model property
                                                                                      c) To bind HTML elements to a model<\/li>\n<\/ol>\n\n\n\n

                                                                                      Answer: a) To define a form element<\/h4>\n\n\n\n
                                                                                        \n
                                                                                      1. What is the use of $filter service in AngularJS?
                                                                                        a) To create a new filter
                                                                                        b) To apply a filter to an expression
                                                                                        c) To define a module<\/li>\n<\/ol>\n\n\n\n

                                                                                        Answer: b) To apply a filter to an expression<\/h4>\n\n\n\n
                                                                                          \n
                                                                                        1. What is the use of $timeout service in AngularJS?
                                                                                          a) To set a timer
                                                                                          b) To create a controller
                                                                                          c) To define a directive<\/li>\n<\/ol>\n\n\n\n

                                                                                          Answer: a) To set a timer<\/h4>\n\n\n\n
                                                                                            \n
                                                                                          1. What is the use of $locationProvider service in AngularJS?
                                                                                            a) To configure the URL routing
                                                                                            b) To create a new controller
                                                                                            c) To define a new directive<\/li>\n<\/ol>\n\n\n\n

                                                                                            Answer: a) To configure the URL routing<\/h4>\n\n\n\n
                                                                                              \n
                                                                                            1. What is the use of ng-message directive in AngularJS?
                                                                                              a) To display error messages for form validation
                                                                                              b) To display success messages for form validation
                                                                                              c) To display warning messages for form validation<\/li>\n<\/ol>\n\n\n\n

                                                                                              Answer: a) To display error messages for form validation<\/h4>\n\n\n\n
                                                                                                \n
                                                                                              1. What is the use of $httpBackend service in AngularJS?
                                                                                                a) To mock HTTP requests for testing purposes
                                                                                                b) To create a new HTTP request
                                                                                                c) To create a new controller<\/li>\n<\/ol>\n\n\n\n

                                                                                                Answer: a) To mock HTTP requests for testing purposes<\/h4>\n\n\n\n
                                                                                                  \n
                                                                                                1. What is the use of $anchorScroll service in AngularJS?
                                                                                                  a) To scroll to a specific element in the page
                                                                                                  b) To create a new module
                                                                                                  c) To define a new directive<\/li>\n<\/ol>\n\n\n\n

                                                                                                  Answer: a) To scroll to a specific element in the page<\/h4>\n\n\n\n
                                                                                                    \n
                                                                                                  1. What is the use of ng-readonly directive in AngularJS?
                                                                                                    a) To make an input element read-only
                                                                                                    b) To make an input element writeable
                                                                                                    c) To remove an input element<\/li>\n<\/ol>\n\n\n\n

                                                                                                    Answer: a) To make an input element read-only<\/h4>\n\n\n\n
                                                                                                      \n
                                                                                                    1. What is the use of $compile service in AngularJS?
                                                                                                      a) To create a new directive
                                                                                                      b) To compile HTML templates
                                                                                                      c) To create a new filter<\/li>\n<\/ol>\n\n\n\n

                                                                                                      Answer: b) To compile HTML templates<\/h4>\n","protected":false},"excerpt":{"rendered":"

                                                                                                      Answer: c) A front-end web application framework Answer: c) Extensions to HTML with new attributes and elements Answer: b) Synchronizing […]<\/p>\n","protected":false},"author":33,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10165","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nTop 50 AngularJs Interview Questions with Answers - scmGalaxy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.scmgalaxy.com\/tutorials\/top-50-angularjs-interview-questions-with-answers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 50 AngularJs Interview Questions with Answers - 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