1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
| function Rectangle(a, b) {
| this.a = a;
| this.b = b;
| }
|
| // jede Funktion besitzt einen Prototypen
| Rectangle.prototype.getArea = function() {
| return this.a * this.b;
| }
|
| const r1 = new Rectangle(2, 3);
| const r2 = new Rectangle(4, 5);
|
| console.log(r1.getArea());
| console.log(r2.getArea());
|
|
