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13 lines
328 B
13 lines
328 B
class Person {
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age: number
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gender: string
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constructor(age:number, gender: string) {
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// this.age 指的是最上面的实例属性，age 指的是构造函数 constructor 中的参数age
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this.age = age
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this.gender = gender
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}
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}
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const p = new Person(18, '男')
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console.log(p.age, p.gender)
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