Classes
Static Methods
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 ();
Class
class Song {
constructor () {
this . title ;
this . author ;
}
play () {
console . log ( "Song playing!" );
}
}
const mySong = new Song ();
mySong . play ();
Class Constructor
class Song {
constructor ( title , artist ) {
this . title = title ;
this . artist = artist ;
}
}
const mySong = new Song ( "Bohemian Rhapsody" , "Queen" );
console . log ( mySong . title );
Class Methods
class Song {
play () {
console . log ( "Playing!" );
}
stop () {
console . log ( "Stopping!" );
}
}
extends
// 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 ,
});