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面试准备

TypeScript 面试题与答案

问题 36. Explain the concept of abstract classes in TypeScript.

Abstract classes in TypeScript are classes that cannot be instantiated on their own and are meant to be subclassed. They may contain abstract methods that must be implemented by subclasses.

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问题 37. What is the purpose of the 'namespace' keyword in TypeScript?

The 'namespace' keyword in TypeScript is used to group related code into a named scope, preventing naming conflicts with other parts of the program.

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问题 38. How do you use the 'readonly' modifier with arrays and objects?

The 'readonly' modifier in TypeScript can be applied to arrays and objects using 'ReadonlyArray' and 'Readonly' types to make them immutable.

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TypeScript 面试题与答案

相关差异对比

问题 36. Explain the concept of abstract classes in TypeScript.

问题 37. What is the purpose of the 'namespace' keyword in TypeScript?

问题 38. How do you use the 'readonly' modifier with arrays and objects?

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