Javascript OOP class 对象继承

Question

下面的Javascript代码输出：员工{#name: "sheila", #gender: "女", #manager: 员工, #job: 职位}

如何修复它以便输出：员工{#name: “sheila”, #gender: “女”, #manager: “pierre”, #job: “软件工程师”}

不确定是否有吊装问题。我应该修改哪几行，以便#manager 是“pierre”而#job 是“软件工程师”？

class Person{                   
    #name;              
    #gender;                

    constructor(name, gender) {             
        this.#name = name;          
        this.#gender = gender;          
    };              
                    
    setName(name) {             
        this.#name = name;          
    };              
                    
    getName() {             
        return this.#name;          
    };              
                    
    setGender(gender) {             
        this.#gender = gender;          
    }               
                    
    getGender() {               
        return this.#gender;            
    };              
}                   
                    
class Employee extends Person{                  
    #manager;               
    #job;               
                    
    constructor(name, gender, manager, job) {               
        super(name, gender);            
        this.#manager = manager;            
        this.#job = job;            
    };              
                    
    setManager(manager) {               
        this.#manager = manager;            
    }               
                    
    getManager() {              
        return this.#manager;           
    }               
                    
    setJob(job) {               
        this.#job = job;            
    }               
                    
    getJob() {              
        return this.#job;           
    }               
}                   
                    
class Job {                 
    #title;             
                    
    constructor(title) {                
        this.#title = title;            
    };              
}                   
                    
const softwareEngineer = new Job("software engineer");                  
                    
const keith = new Employee("keith", "male");                    
                    
const pierre = new Employee("pierre", "male");                  
                    
const sheila = new Employee("sheila", "female", keith, softwareEngineer);                   
                    
sheila.setManager(pierre);                  
console.log(sheila);

Answer 1

问题是您打印了对象的类型而不是值。 Job 和 Manager 需要一个 toString 函数来打印值而不是类型，请参阅 https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString

Javascript OOP class 对象继承

Javascript OOP class object inheritance

javascript

oop

inheritance

instance

prototypal-inheritance