“se extiende en JS” Código de respuesta

se extiende en JS

//class in es6 are just functional constructor.
//Parent class is Person and Developer class inheritant from Person class using 
//extend and super method 
class Person{
  constructor(firstname,lastname){
    this.firstname= firstname;
    this.lastname=lastname;
    
  }
  aboutPerson(){
  console.log(`My name is ${this.firstname} ${this.lastname} `)
  }
}

class Developer extends Person{
constructor(firstname,lastname,experience,projects){
 /* //super keyword is used to call the constructor
 of its parent class to access the parent's properties and methods*/
	super(firstname,lastname);
  	this.experience=experience;
  	this.projects=projects;
  
  	aboutDev(){
      console.log(`My name is ${this.firstname} and  I have ${this.experience}
	in software development`)
}
  
  const ShirshakDev= new Developer('Shirshak','Kandel',3,13)
  console.log(ShirshakDev.aboutDev())