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23 lines
504 B
23 lines
504 B
// 类的两种继承方式：1.extends（继承父类） 2.implements（实现接口）
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// 父类
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class Animal {
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move() {
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console.log('666')
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}
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}
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// 第一种：extends（继承父类）
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// 子类 Dog 继承 父类 Animal，子类 Dog 具有父类 Animal 的属性和方法
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class Dog extends Animal {
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// 子类自己的属性和方法
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name = 'Max'
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brak() {
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console.log('8888')
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}
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}
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// 实例化子类 Dog
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const d = new Dog()
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d.move()
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d.brak()
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console.log(d.name)
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