Angular Interview Questions and Answers

Answer - 31 : - AngularJS components that can be injected as a dependency are: 1) value, 2) factory, 3) service, 4) provider, 5) constant.

Answer - 32 : - Some commonly used Angular Global API functions are: • Angular.isString: It will return true only if the given reference is of type string. • Angular.lowercase: It converts any string to lowercase • Angular.uppercase: It converts any string to uppercase. • Angular.isNumber: It returns true only if the reference is a numeric value or number.

Answer - 33 : - BOM or Browser Object Model consists of history, object navigator, screen location, etc. It specifies the global browser objects like console, local storage, and window.

Answer - 34 : - "$rootScope" is a scope that is created on the DOM (Document Object Model) element. An application can have only one $rootScope that shares, among other components. It has the ng-app directive. Other scopes are called as its child scope. It can watch expressions as well as propagate events.

Answer - 35 : - The syntax of Factory is as follows: app.factory('serviceName',function(){ return serviceObj;})

Answer - 36 : - Here, are different phases of AngularJS Scope lifecycle: • Creation • Model mutation • Watcher registration • Mutation observation • Scope destruction

Answer - 37 : - program for to bootstrap process in Angular is:

Answer - 38 : - SPA or single page application is a website or web application which interacts with the users dynamically. In AngularJS, JavaScript, HTML, and CSS fit on a single page. It performs navigation without refreshing the whole HTML page.

Answer - 39 : - NPM stands for Node Package Manager. It consists of a command line tool client for interacting with the repository of Node.js project.

Answer - 40 : - Once you install the Angular command-line interface, you have to run ng new project-name command in order to create a new project in Angular.