typescript 类写constructor和不写constructor有什么区别

2025-04-23 20:29:16
推荐回答(1个)
回答1:

class Person {
name: string;
age: number;

constructor(name: string, age: number) {
this.name = name;
this.age = age;
}
}

// 创建实例constructor构造函数调用初始化 name age 属性
var p: Person = new Person('Felipe', 36);