class Cat extends Animal{ / constructor(name) { super(name); } / say(){ return Hello, ${this.name}! } }
Hello, ${this.name}!
你分别试试写和不写，能不能正常调用子类的构造方法
试了可以，哈哈
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_NuLLPoInT
class Cat extends Animal{ / constructor(name) { super(name); } / say(){ return
Hello, ${this.name}!} }