Angular 4 Interview Questions and Answers

Angular 4 Interview Questions and Answers

Angular 4 Interview Questions and Answers

Angular 4 Interview Questions and Answers for beginners and experts. List of frequently asked AngularJS Questions with answers by Besant Technologies. We hope these Angular 4 interview questions and answers are useful and will help you to get the best job in the networking industry. These Angular 4 interview questions and answers are prepared by Angular 4 Professionals based on MNC Company’s expectations. Stay tuned we will update New AngularJS Interview questions with Answers Frequently. If you want to learn Practical Angular 4 Training then please go through this Angular 4 Training in Chennai.

Besant Technologies supports the students by providing AngularJS interview questions and answers for the job placements and job purposes. Angular 4 is the leading important course in the present situation because more job openings and the high salary pay for this Angular 4 and more related jobs.

Best Angular 4 Interview Questions and Answers

Here is the list of most frequently asked Angular 4 Interview Questions and Answers in technical interviews. These Angular 4 questions and answers are suitable for both freshers and experienced professionals at any level. The Angular 4 questions are for intermediate to somewhat advanced Angular 4 professionals, but even if you are just a beginner or fresher you should be able to understand the Angular 4 answers and explanations here we give.

In this post, you will get the most important and top Angular 4 Interview Questions and Answers, which will be very helpful and useful to those who are preparing for jobs.

Angular 4 is the open-source JavaScript framework and mainly used for front-end web applications and it’s completely used for Single Page Applications. Angular 4 training in Chennai by Besant Technologies is the best training Institute and having more than 15+ branches. Besant Technologies has the most experienced trainers and IT professional tutors who are having work experience as the developer, designers, and debuggers. Our trainers have prepared this top and best Angular 4 interview questions and answers.

These Angular 4 interview questions and answers are mainly and completely prepared with complete analysis and these questions are very much important and also these are the questions that were asked in the interview in top MNC companies.

Q1) What are the lead components of Angular?

Q2) What is CLI and how to use for angular?

Q3) Difference between constructor and ngOnInit?

Q4) How DI(dependency injection) works in Angular?

Q5) What is ngFor directive?

Q6) Difference between pure and impure pipe?

Q7) What is RxJS and use of this?

Q8) What is Angular Router and use of this?

Q9) What is the use of base href tag?

Q10) What are the router imports?

Q11) List out the router events?

Q12) What is Angular Universal?

Q13) What are types of compilation in Angular?

Q14) What is AOT in angular?

Q15) What is the syntax of decorator in Angular?

Q16) What is the purpose of common module?

Q17) What is State function?

Q18) Which are the class decorators in Angular?

Q19) What are the class field decorators?

Q20) What is One-way binding in AngularJS?

Q21) What is the (ngModel) used for in AngularJS?

Q22) What is a digest cycle in Angular?

Q23) What Is @ngmodule in angular?

Q24) What Is @inputs In Angular?

Q25) How Lifecycle hooks works in order?

Q26) When ngOnInit used to call in Angular?

Q27) How async pipe prevent memory leeks?

Q28) What is lean component mean in Angular?

Q29) Why do we required route guards in Angular?

Q30) What is the use of RouterOutlet?

Q31) What are the building blocks of Angular application?

Q32) What is mean of reliability injection in angular?

Q33) What is the Difference between ng-class and ng-style?

Q34) what is binding and describe the types?

Q35) What are the different ng commands in angular?

Q36) What are the data types define in TypeScript?

Q37) What is required to validate the form inputs?

Q38) What are the ways to create custom directive in angular?

Q39) Describe about the Directive and Directive Types?

Q40) What is data Binding in angular and how it works?

Q41) What is Singleton pattern and how it works in AngularJS?

Q42) What are the event listener directives that attach to HTML element?

Q43) What are the various styling form in Angular which has to adds in CSS classes by ngModel?

Q44) What are the built-in validators in AngularJS list out few of them?

Q45) What are the Structural and Attribute directives Structural in Angular JS?

Q46) what angular.json file represent in Angular CLI?

Q47) How to use *ngFor Loop directive?

Q48) What type of data work with an async pipe , list out few?

Q49) Difference between scan() vs reduce() in AngularJS?

Q50) How the TypeScript code is converted into JavaScript code ,brief the process?

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