Angular interview Questions

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1. Why were client-side frameworks like Angular introduced?

2. How does an Angular application work/Application Flow?

3. What are some of the advantages of Angular over other frameworks?

4. List out differences between AngularJS(MVC) and Angular(MVV/MVW)


AOT-Ahead of compiler (self Explore)

Difference Between AOT & JIT (self Explore)




5 what is difference between property binding vs string interpolation

[] vs {{}}

6 how data flows in propety/string Interpolation/style/class binding

7 how data flows in event binding

8 which event you are using in your project

click,change,mouseover/mouseout,focus

keyup,keydown,custom event-component intraction

9 what is component interation?

10 how we achieve to send data?

how we can pass event to one component to another.(L&T)

11 what is mean by service & use/role 

12 have you used Http services/consume API in Angular?

13 which module you are imported for Http services?

14 what is use of @injectable?

15 What is mean By DI & how we can achieve DI

16 what is use of observable?

17 For Observable which lib is used?

18 What is mean by routing? what is use of router-outlet tag?

19 Have you use custom Pipe? How we can implement custom pipe?

20 Can you enlist inbuild pipe?

21 What is Two way Binding & what is preqreuesting for two way binding to implement?

22 Can we send data from one component to another component? how we can Achieve it? (FIS Global )


23 Diff between == and === (FIS Global )

24 How to connect to backend-- steps (FIS Global )

25 how can pass whole data two components with out using component interaction (Virtusa company )

26 Types of Directive (Virtusa company )

27 data binding types (Virtusa company)

28 How to create component (Mindtree)

29 What is data binding and what are the different techniques of data binding (Mindtree)

30 What is component

31 What is template



Company => IRIS,onword

1.Pipe

2.Services

3.Advantages of angular

4.What is component

5.How to send data from one com to another com

6.what is observable 

9.what is module

10.custom pipe

11.pipe transform

12. Transform method

13.can we create multiple custom module

14.diff btw observable andd promise

15.structure and attribute directive

16.what is component declaration block



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