JavaScript Classes

// Parent class class Media { constructor(info) { this.publishDate = info.publishDate; this.name = info.name; } } // Child class class Song extends Media { constructor(songData) { super(songData); this.artist = songData.artist; } } const mySong = new Song({ artist: 'Queen', name: 'Bohemian Rhapsody', publishDate: 1975 }); 

class Song { play() { console.log('Playing!'); } stop() { console.log('Stopping!'); } } 

class Song { constructor(title, artist) { this.title = title; this.artist = artist; } } const mySong = new Song('Bohemian Rhapsody', 'Queen'); console.log(mySong.title); 

class Song { constructor() { this.title; this.author; } play() { console.log('Song playing!'); } } const mySong = new Song(); mySong.play(); 

class Dog { constructor(name) { this.\_name = name; } introduce() { console.log('This is ' + this.\_name + ' !'); } // A static method static bark() { console.log('Woof!'); } } const myDog = new Dog('Buster'); myDog.introduce(); // Calling the static method Dog.bark();