TypeScript Junior
Explain what type inference is in TypeScript.
Select the correct answer
Type inference is the process of converting JavaScript to TypeScript.
Type inference is the act of debugging type errors in TypeScript.
Type inference is a feature to suggest variable names in TypeScript.
Type inference is the ability of the TypeScript compiler to automatically deduce types.
Can TypeScript be used for the backend?
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No, TypeScript does not support backend features.
Yes, but it requires a special compiler.
No, TypeScript is only for frontend development.
Yes, TypeScript can be used for backend development using Node.js.
What is TSX?
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TSX stands for TypeScript XML and is used for embedding XML in TypeScript.
TSX is a testing framework for TypeScript applications.
TSX is a type of stylesheet used in TypeScript.
TSX is a database query language for TypeScript.
What is the use of the tsconfig.json file?
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It is used to set up a testing framework.
It is used to manage project dependencies.
It is used to define environment variables for Node.js.
It is used to configure TypeScript compiler options.
Name the access modifiers supported in TypeScript.
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public, private, protected, and readonly.
public, protected, default, and final.
public, private, default, and static.
protected, private, static, and final.
Define static typing.
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A type system where types are checked at compile time.
A system where variables are checked at runtime.
A method of overloading functions in JavaScript.
A typing system used exclusively for dynamic languages.
What is TypeScript?
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A library for managing state in React applications.
A strongly typed superset of JavaScript that compiles to plain JavaScript.
A database management system.
A framework for building mobile applications.