Individuals often get nervous while facing an interview, but if they are well equipped with all the requisite information which they have to deliver during the question & answer session, they feel confident. Remittance Sol is one of the best solutions to get rid of such nervousness, as we provide a great collection of interview questions covering every important concept of Angular 4.
Angular 4 is a framework of JavaScript and its importance for making web applications is undeniable. That is why, recruiters always search for the best candidates with excellent knowledge about the subject who can prove themselves and justify the designation.
If you are going to encounter an interview, then you have landed on the right spot where you will definitely get all the answers regarding the frequently asked Angular 4 interview questions. There is no doubt that confidence is the key to success, keeping that in mind we have designed this structure, to make you confident and prepared for your interview.
Prepare for the Interview with Our Angular 4 Interview Questions
Q. What is Angular 4?
angular 4 is a Javascript framework for building apps in HTML, TypeScript and JavaScript. It has built-in features for HTTP service, animation and materials.
Q. What would be the best free IDE for Angularjs?
Sublime Text, Atoms, Visual Code, etc.
Q. How many types of directives are there in angular 4?
Attribute Directives
Structural Directives
Components
Q. Describe ElementRef in Angular 4?
ElementRef is a class used for abstraction. The Class structure mainly holds the native elements and ElementRef is used to access the native elements.
Q. How to install Angular 4?
There are so many different ways to install Angular 4:
Install Angular CLI
Create a project
Serve the application
Q. What is CLI and how to use for angular?
Angular CLI is acronym for Command Line Interface and used to build angular apps using in the form of nodejs style modules like you need to install using npm command.
Q. Describe the use of TypeScript in Angular 4?
It is a native language for Angular 4 Development. TypeScript has Design-tome support system for tooling and Type Safety. It is mainly a superset of JavaScript.
Q. What are the lead components of Angular?
- Modules
- Component
- Services
- Templates
- Metadata
Q. What does a subscribe method do in Angular 4?
Here’s an example of subscribe method being used to subscribe to users to any new magazines published by the Magainze Store.
let subscription = magazineStore.getMagazines().subscribe(
(newMagazine)=>{
console.log(‘newMagazine’,newMagazine);
});
Q. How to include an external css in Angular 4?
To include external CSS in Angular 4, open your .angular-cli.json and add your css file path in styles array.
Q. In which directory all external modules and files are stored in Angular 4?
Angular4 stores all external modules and files in node_modules directory.
