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32 lines
593 B
32 lines
593 B
// 可见性修饰符：private 表示私有的，只能在当前类中可见(只能在类内部使用)，对实例对象以及子类都是不可见的
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// 父类
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class Animal {
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// _run_ 方法是私有的
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private _run_ () {
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console.log('321')
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}
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// 受保护的
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protected move() {
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this._run_()
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console.log('654')
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}
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// 公开的
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run() {
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this._run_()
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this.move()
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console.log('gogogo')
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}
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}
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const a = new Animal()
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class Dog extends Animal {
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bark() {
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console.log('123')
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}
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}
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const d = new Dog()
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