2021-12-02 21:21:10 +01:00

119 lines
2.2 KiB
JavaScript
Executable File

class Dog {
constructor(dogName, weight, color, breed) {
this.dogName = dogName;
this.weight = weight;
this.color = color;
this.breed = breed;
}
}
let dog = new Dog("JavaScript", 2.4, "brown", "chihuahua");
console.log(dog.dogName, "is a", dog.breed, "and weighs", dog.weight, "kg.");
class Person {
constructor(firstname, lastname) {
this.firstname = firstname;
this.lastname = lastname;
}
}
let p = new Person("Maaike", "van Putten");
console.log("Hi", p.firstname);
let p = new Person("Maaike");
console.log("Hi", p.firstname, p.lastname);
class Person {
constructor(firstname, lastname) {
this.firstname = firstname;
this.lastname = lastname;
}
greet() {
console.log("Hi there!");
}
compliment(name, object) {
return "That's a wonderful " + object + ", " + name;
}
}
p.greet();
let compliment = p.compliment();
console.log(compliment);
class Vehicle {
constructor(color, currentSpeed, maxSpeed) {
this.color = color;
this.currentSpeed = currentSpeed;
this.maxSpeed = maxSpeed;
}
move() {
console.log("moving at", this.currentSpeed);
}
accelerate(amount) {
this.currentSpeed += amount;
}
}
class Motor extends Vehicle {
constructor(color, currentSpeed, maxSpeed, fuel) {
super(color, currentSpeed, maxSpeed);
this.fuel = fuel;
}
}
let motor = new Motor("Black", 0, 250, "gasoline");
console.log(motor.color);
motor.accelerate(50);
motor.move();
class Person {
#firstname;
#lastname;
constructor(firstname, lastname) {
this.#firstname = firstname;
this.#lastname = lastname;
}
get firstname() {
return this.#firstname;
}
set firstname(firstname) {
this.#firstname = firstname;
}
get lastname() {
return this.#lastname;
}
set lastname(lastname) {
this.#lastname = lastname;
}
}
let p = new Person("Maria", "Saga");
console.log(p.firstname);
class Person {
constructor(firstname, lastname) {
this.firstname = firstname;
this.lastname = lastname;
}
greet() {
console.log("Hi there!");
}
}
Person.prototype.introduce = function () {
console.log("Hi, I'm", this.firstname);
};
let p = new Person("Maria", "Saga");
p.introduce();