L'héritage
Nouvelle instruction extends.
class Developer extends Person {
constructor(name, age, language) {
super(name, age);
this.language = language;
}
toString() {
return super.toString() + ` :: I'm a Developer who likes ${this.language}`;
}
}
let d = new Developer("Yannick", 29, "JavaScript");
console.log(d.toString());
// Hi I'm Yannick and I'm 29 years old :: I'm a Developer who likes JavaScript