As the technological world advances at a rapid pace in the area of developers & programmers, it is critical to stay current on the latest innovations and trends. If you want to land in a TypeScript related job in 2024, you should be prepared for a rigors interview procedure. This section will offer you with some of the most commonly requested TypeScript interview questions and answers in order to help you prepare for and impress your potential employer under the developers & programmers job classification.

What is an interface in TypeScript and how is it used to define object shapes?. Many of you might have heard this question before. At the same time, without a doubt, everyone agrees that one of the most commonly asked typescript interview questions is "What is TypeScript?". If you are asked this question in your actual interview, what would be your answer? Would it be descriptive and meaningful? Make sure you check the answer in the above list. Another most fundamental questions you might be asked in a typescript interview are "Implement a TypeScript class that represents a bank account, including methods for depositing money, withdrawing money, and checking the account balance." and "Explain Arrays in TypeScript.". It is very important that you practice these typescript interview questions and answers before you face the actual interview.

Questions like 'What is a union type in TypeScript? Can you give an example?', and 'List the Advantages of TypeScript.' also have high potential to appear in your real interview. It is true that some level of efficiency has been required in the sector of developers & programmers for the previous few years. Companies all around the world are now investing significant funds in employing people who skilled in typescript to fill these shoes and operate efficiently. Questions such as "Can you give an example of how to use an enum in TypeScript?", "Can you explain what a data type is and give examples of primitive types in TypeScript?" and "Develop a TypeScript program that reads a JSON file and performs various operations, such as filtering, sorting, and transforming the data." are very important as well and it is highly recommended to practice these typescript interview questions and answers. These top core typescript interview Questions will give you the edge you need to approach the questions properly and respond to them concisely.

Above comprehensive list of TypeScript interview questions are specifically designed to target real interviews. Once you done with the list, don't forget to create TypeScript mock interviews and try your skills. It only takes minutes to generate the interview using AI technologies. They are evaluated and scored real time so that you would be able to measure your performance real time.

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1. What is TypeScript? 0 votes | 678 views JL

2. Implement a TypeScript class that represents a bank account, including methods for depositing money, withdrawing money, and checking the account balance. 0 votes | 655 views JL

3. Explain Arrays in TypeScript. 0 votes | 674 views JL

4. Can you explain what a data type is and give examples of primitive types in TypeScript? 0 votes | 676 views JL

5. What is an interface in TypeScript and how is it used to define object shapes? 0 votes | 657 views JL

6. Can you give an example of how to use an enum in TypeScript? 0 votes | 643 views JL

7. Develop a TypeScript program that reads a JSON file and performs various operations, such as filtering, sorting, and transforming the data. 0 votes | 633 views JL

8. Can you explain the difference between implicit and explicit types in TypeScript, and give examples of each? 0 votes | 672 views JL

9. List the Advantages of TypeScript. 0 votes | 673 views JL

10. List the disadvantages of TypeScript 0 votes | 673 views JL

11. What is a union type in TypeScript? Can you give an example? 0 votes | 492 views ML

12. Can you explain the concept of type guards in TypeScript? 0 votes | 502 views ML

13. Create a TypeScript function that takes an array of numbers as input and returns the sum of all even numbers in the array. 0 votes | 503 views ML

14. What is the difference between interface and type in TypeScript? 0 votes | 515 views ML

15. Can you explain what a generic type is and how it's used in TypeScript? 0 votes | 520 views ML

16. What is meant by contextual typing? 0 votes | 475 views ML

17. Implement a TypeScript class that represents a todo list, including methods for adding, completing, and deleting tasks. 0 votes | 517 views ML

18. How can you declare an optional property in an interface in TypeScript? 0 votes | 500 views ML

19. Can you explain the concept of a namespace in TypeScript and how to use it? 0 votes | 520 views ML

20. How do you create a class that implements an interface in TypeScript? 0 votes | 515 views ML

21. What are import and export keywords in TypeScript? 0 votes | 491 views ML

22. Develop a TypeScript program that generates a random password with a specified length and complexity. 0 votes | 477 views ML

23. How do you define a type alias in TypeScript? 0 votes | 486 views ML

24. What is the Partial and Required utility types in TypeScript? 0 votes | 515 views ML

25. How do you handle asynchronous code in TypeScript? 0 votes | 480 views ML

26. How can you define a generic type that takes a union of two or more types as an argument? 0 votes | 517 views SL

27. Can you explain what type predicates are in TypeScript and how they can be used? 0 votes | 476 views SL

28. Create a TypeScript function that converts a string to title case (capitalizing the first letter of each word). 0 votes | 492 views SL

29. How can you create a type that is the union of all the values in an array? 0 votes | 496 views SL

30. Implement a TypeScript class that represents a shopping cart, including methods for adding items, calculating the total price, and applying discounts. 0 votes | 504 views SL

31. How can you declare a type for a function that accepts a variable number of arguments? 0 votes | 495 views SL

32. How do you use mapped types in TypeScript to create new types based on existing ones? 0 votes | 495 views SL

33. Develop a TypeScript program that fetches data from a RESTful API and displays it in a user-friendly format. 0 votes | 504 views SL

34. How can you define a type that is the difference between two types? 0 votes | 502 views SL

35. Can you explain what "infer" is used for in TypeScript and provide an example? 0 votes | 496 views SL

36. What are Mixins? 0 votes | 499 views SL

37. How can you create a type that is the union of all the keys of an object? 0 votes | 502 views SL

38. Can you explain the concept of "readonly" properties in TypeScript and how they differ from regular properties? 0 votes | 504 views SL

39. How can you create a type that has all the properties of another type except for one specific property? 0 votes | 505 views SL

40. How do you use conditional types to create a type that is the return type of a function if the function is synchronous, and a Promise if the function is asynchronous? 0 votes | 507 views SL

41. Can you explain how to use type assertions in TypeScript and provide an example? 0 votes | 502 views SL

42. Create a TypeScript function that checks whether a given string is a valid email address, based on a specified pattern or validation library. 0 votes | 508 views SL

43. Can you explain the difference between "never" and "void" in TypeScript? 0 votes | 504 views SL

44. How can you create a type that represents the return type of a function that can throw an error? 0 votes | 502 views SL

45. Implement a TypeScript class that represents a user authentication system, including methods for user registration, login, and password reset. 0 votes | 507 views SL

TypeScript interview questions and answers 2024

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