OOP-Javascript/CombinationInheritanceExample.htm at master · vishymails/OOP-Javascript · GitHub

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<html>
<head>
    <title>Combination Inheritance Example</title>
    <script type="text/javascript">

        function SuperType(name){
            this.name = name;
            this.colors = ["red", "blue", "green"];
        }

        SuperType.prototype.sayName = function(){
            alert(this.name);
        };

        function SubType(name, age){
            SuperType.call(this, name);

            this.age = age;
        }

        SubType.prototype = new SuperType();

        SubType.prototype.sayAge = function(){
            alert(this.age);
        };

        var instance1 = new SubType("Nicholas", 29);
        instance1.colors.push("black");
        alert(instance1.colors);  //"red,blue,green,black"
        instance1.sayName();      //"Nicholas";
        instance1.sayAge();       //29


        var instance2 = new SubType("Greg", 27);
        alert(instance2.colors);  //"red,blue,green"
        instance2.sayName();      //"Greg";
        instance2.sayAge();       //27


    </script>
</head>
<body>

</body>
</html>