最佳JavaScript继承实现

class Animal {
  constructor(name) {
    this.name = name;
  }

  sayName() {
    console.log(`My name is ${this.name}`);
  }
}

class Dog extends Animal {
  constructor(name, breed) {
    super(name);
    this.breed = breed;
  }

  bark() {
    console.log('Woof!');
  }
}

const myDog = new Dog('Buddy', 'Golden Retriever');
myDog.sayName(); // 输出 "My name is Buddy"
myDog.bark(); // 输出 "Woof!"