TypeScript 面接の質問と回答
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質問 6. What is the 'any' type in TypeScript?
The 'any' type in TypeScript is used to represent a dynamic type that can hold values of any type, and it bypasses type checking.
質問 7. How do you declare an array in TypeScript?
Arrays in TypeScript can be declared using the syntax 'let myArray: number[] = [1, 2, 3];' or 'let myArray: Array
質問 8. Explain the 'this' keyword in TypeScript.
The 'this' keyword in TypeScript is used to refer to the current instance of the object within a class or function.
質問 9. What is a module in TypeScript?
A module in TypeScript is a way to organize code into separate files, and it can include interfaces, classes, functions, and variables.
質問 10. What is the use of 'namespace' 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.
ユーザー評価で最も役立つ内容:
- What is TypeScript?
- Explain the difference between 'let' and 'const' in TypeScript.
- What are the basic data types in TypeScript?
- How do you define an interface in TypeScript?
- What is the 'any' type in TypeScript?