function Animal() { }
Animal.prototype.eat = function() {
return "nom nom nom";
};
function Bird() { }
// Inherit all methods from Animal
Bird.prototype = Object.create(Animal.prototype);
// Bird.eat() overrides Animal.eat()
Bird.prototype.eat = function() {
return "peck peck peck";
};class Car {
constructor(brand) {
this.carname = brand;
}
present() {
return 'I have a ' + this.carname;
}
}
class Model extends Car {
constructor(brand, mod) {
super(brand);
this.model = mod;
}
show() {
return this.present() + ', it is a ' + this.model;
}
}
let myCar = new Model("Ford", "Mustang");
document.getElementById("demo").innerHTML = myCar.show();class Animal {
null
}
class tiger extends Animal {
null }class teamMember {
name;
designation = "Support web dev";
address;
constructor(name, address) {
this.name = name;
this.address = address;
}
}
class Support extends teamMember {
startSession() {
console.log(this.name, "start a support sessin");
}
}
class StudentCare extends teamMember {
buildARoutine() {
console.log(this.name, "build a routine");
}
}
const max = new Support("Max", "USA");
console.log(max);
const sarah = new StudentCare("Sarah", "UK");
console.log(sarah);//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())function Teacher(first, last, age, gender, interests, subject) {
Person.call(this, first, last, age, gender, interests);
this.subject = subject;
}