[英]Javascript OOP class object inheritance
The Javascript code below outputs: Employee {#name: "sheila", #gender: "female", #manager: Employee, #job: Job}下面的 Javascript 代码输出: Employee {#name: "sheila", #gender: "female", #manager: Employee, #job: Job}
How do I fix it so that it outputs: Employee {#name: "sheila", #gender: "female", #manager: "pierre", #job: "software engineer"}如何修复它以使其输出:Employee {#name:“sheila”,#gender:“female”,#manager:“pierre”,#job:“software Engineer”}
Not sure if there is a hoisting problem.不知道是不是吊装问题。 Which lines do I fix so that #manager is "pierre" and #job is "software engineer"?
我要修复哪些行,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);
The issue is that you print the type of the Object instead of the value.问题是您打印 Object 的类型而不是值。 You need a toString function for Job and Manager to print the value instead of type, see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
您需要一个 toString function 用于 Job 和 Manager 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
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