add examples for functions, constructors, objects and inheritance

Sascha Schulz

2023-04-25 a8783a284efd0a105d8b12f88d760df9ec97d03d

 templates/007-js/constructors.js

@@ -3,6 +3,13 @@
    this.b = b;

}



const r = new Rectangle(2, 3);

// jede Funktion besitzt einen Prototypen

Rectangle.prototype.getArea = function() {

    return this.a * this.b;

}



console.log(r.a);

const r1 = new Rectangle(2, 3);

const r2 = new Rectangle(4, 5);



console.log(r1.getArea());

console.log(r2.getArea());