如何创建具有不可变属性的javascript类

class ImmutableClass {
  constructor(name, age) {
    this._name = name;
    this._age = age;
  }
}

class ImmutableClass {
  constructor(name, age) {
    this._name = name;
    this._age = age;
  }

  get name() {
    return this._name;
  }

  get age() {
    return this._age;
  }
}

class ImmutableClass {
  constructor(name, age) {
    this._name = name;
    this._age = age;
    Object.freeze(this);
  }

  get name() {
    return this._name;
  }

  get age() {
    return this._age;
  }
}

const obj = new ImmutableClass('John', 25);
console.log(obj.name); // 输出: John
console.log(obj.age); // 输出: 25