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TypeScript Interview Questions and Answers

Related differences

JavaScript vs TypeScript

Ques 11. Explain the 'async' and 'await' keywords in TypeScript.

'async' is used to declare an asynchronous function, and 'await' is used to pause the execution of the function until the promise is resolved.

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Ques 12. What are decorators in TypeScript?

Decorators are a special kind of declaration that can be attached to classes, methods, and properties to modify their behavior.

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Ques 13. How do you handle errors in TypeScript?

Errors in TypeScript can be handled using try-catch blocks, similar to JavaScript.

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Ques 14. What is the difference between 'interface' and 'type' in TypeScript?

'interface' is used for object shapes, while 'type' can be used for objects, unions, intersections, and primitives.

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Ques 15. Explain the concept of generics in TypeScript.

Generics in TypeScript allow you to write functions and classes that can work with any data type.

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