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Interview Questions

TypeScript interview questions on types, generics, interfaces, and type inference.

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Top TypeScript Interview Questions

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1

What are the benefits of TypeScript?

Hint: Type safety, tooling, maintainability

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2

Explain generics in TypeScript

Hint: Reusable type-safe components

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3

Interface vs Type - when to use each?

Hint: Extension, declaration merging

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4

What are utility types?

Hint: Partial, Required, Pick, Omit

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5

How does type inference work?

Hint: Compiler deducing types

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6

Explain discriminated unions

Hint: Tagged union types

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