Kelas di ES6
class Point {
constructor(x, y) {
this.x = x
this.y = y
}
toString() {
return '[X=' + this.x + ', Y=' + this.y + ']'
}
}
class ColorPoint extends Point {
static default() {
return new ColorPoint(0, 0, 'black')
}
constructor(x, y, color) {
super(x, y)
this.color = color
}
toString() {
return '[X=' + this.x + ', Y=' + this.y + ', color=' + this.color + ']'
}
}
console.log('The first point is ' + new Point(2, 10))
console.log('The second point is ' + new ColorPoint(2, 10, 'green'))
console.log('The default color point is ' + ColorPoint.default())
Outrageous Ostrich
