如何在继承的方法中使用子属性

class ParentClass {
  constructor(parentProperty) {
    this.parentProperty = parentProperty;
  }

  parentMethod() {
    console.log("Parent method");
    console.log("Parent property:", this.parentProperty);
  }
}

class ChildClass extends ParentClass {
  constructor(parentProperty, childProperty) {
    super(parentProperty);
    this.childProperty = childProperty;
  }

  childMethod() {
    console.log("Child method");
    console.log("Child property:", this.childProperty);
    console.log("Parent property (inherited):", this.parentProperty);
  }
}

const childObj = new ChildClass("Parent value", "Child value");
childObj.childMethod();

Child method
Child property: Child value
Parent property (inherited): Parent value