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18 lines
413 B
18 lines
413 B
// 成员可见性：让父类的方法或属性让子类成员可以使用
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// 可见性修饰符: public，表示公开的、公有的，公有成员可以被任何地方访问。public 是默认可见性，可以省略。
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// 父类
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class Animal {
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public move() {
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console.log('123')
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}
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}
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// 子类
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class Dog extends Animal {
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bark() {
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console.log('88888')
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}
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}
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const d = new Dog()
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