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| // Oberklasse
| class Shape {
| getType() {
| return "Shape";
| }
| }
|
| // Unterklasse erbt von Oberklasse
| class Rectangle extends Shape {
| constructor(a, b) {
| super();
|
| this.a = a;
| this.b = b;
| }
| }
|
| const r = new Rectangle(2, 3);
|
| console.log(r.getType());
|
| // Implementierung per Prototype weiterhin möglich, falls man so will
| Rectangle.prototype.getType = function() {
| return "Rectangle";
| }
|
| console.log(r.getType());
|
|
