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TypeScript - Interview Questions and Answers for 'TypeScript' - 28 question(s) found - Order By Newest

 Q1. Difference between Let and Var ?TypeScript2018-10-15 11:48:19

Ans. Let creates a variable with a local scope whereas var creates it with a global scope.

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 Q2. What are the different data types in typescript ?TypeScript2018-10-15 11:48:51

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 Q3. Difference between interface and type ?TypeScript2018-10-15 11:50:19

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 Q4. Difference between interface and class in typescript ?TypeScript2018-10-15 11:50:39

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 Q5. Why type has been deprecated and replaced by interfaces ?TypeScript2018-10-15 11:51:05

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 Q6. Can we set specific return type of a method in typescript ?TypeScript2018-10-15 11:51:24

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 Q7. What is the use of map method in typescript ?TypeScript2018-10-15 11:51:41

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 Q8. What is type script ? What are the advantages of typescript ? How is it different than javascript ?TypeScript2018-10-15 11:52:15

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   Like         Discuss         Correct / Improve     Typescript vs Javascript


 Q9. What are the features of TypeScript ?TypeScript2018-10-15 11:52:39

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 Q10. How to compile typescript ?TypeScript2018-10-15 11:52:59

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 Q11. Can we compile multiple type script files together ? How ?TypeScript2018-10-15 11:53:20

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 Q12. How is the declaration of enum in Typescript differ from Javascript ?TypeScript2020-01-23 13:32:44

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   Like         Discuss         Correct / Improve     enum typescript  enum javascript


 Q13. What is the type of variable if we don't set any type ?TypeScript2020-01-23 13:34:08

Ans. Any

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 Q14. Can we do type casting in Typescript ?TypeScript2020-01-23 13:35:21

Ans. Yes

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 Q15. What is arrow function in Typescript ? TypeScript2020-01-23 13:37:13

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   Like         Discuss         Correct / Improve     arraow functions in typescript   lambda expression vs arrow function


 Q16. Explain interfaces in Typescript. How is it different compared to other languages ?TypeScript2020-01-24 10:46:26

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 Q17. What is the difference between method and function in Typescript ?TypeScript2020-01-24 10:47:08

Ans. Method belongs to a class whereas function isn't. So the only difference is the scope in which they are defined.

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 Q18. What is the difference between field and property in Typescript ?TypeScript2020-01-24 10:47:25

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 Q19. How do we initialize objects in TypeScript ?TypeScript2020-01-24 10:48:17

Ans. Using new operator

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 Q20. How do we specify constructors in TypeScript ? How is it different from other languages ?TypeScript2020-01-24 10:48:55

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 Q21. What is the role of "?" in TypeScript constructors ?TypeScript2020-01-24 10:49:17

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   Like         Discuss         Correct / Improve     Typescript constructor


 Q22. How can we make the constructor variables optional in Typescript ?TypeScript2020-01-24 10:49:47

Ans. Using "?" with the variables

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 Q23. What new features of TypeScript do you like ?TypeScript2020-01-26 20:16:14

 This question was recently asked at 'JP Morgan'.This question is still unanswered. Can you please provide an answer.


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 Q24. What are the advantages of using TypeScript over Javascript ?TypeScript2020-01-26 20:16:43

 This question was recently asked at 'Quicken Loans'.This question is still unanswered. Can you please provide an answer.


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 Q25. Do you know typescript ?TypeScript2020-01-26 20:17:05

 This question was recently asked at 'Fuze'.This question is still unanswered. Can you please provide an answer.


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 Q26. write an angular Typescript program to add item into an arrayTypeScript2020-01-26 20:17:27

 This question was recently asked at 'Moneris'.This question is still unanswered. Can you please provide an answer.


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 Q27. What are some downsides to static typing in TypeScript?TypeScript2020-01-26 20:18:06

 This question was recently asked at 'Workday'.This question is still unanswered. Can you please provide an answer.


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 Q28. What do you think of TypeScript?TypeScript2020-01-26 20:18:50

 This question was recently asked at 'Intelliware Development'.This question is still unanswered. Can you please provide an answer.


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