inheritance.js

var Child, Person,
    __hasProp = {}.hasOwnProperty,
    __extends = function (child, parent) {
        for (var key in parent) {
            if (__hasProp.call(parent, key)) child[key] = parent[key];
        }

        function ctor() {
            this.constructor = child;
        }
        ctor.prototype = parent.prototype;
        child.prototype = new ctor;
        child.__super__ = parent.prototype;
        return child;
    };

Person = (function () {

    Person.name = 'Person';

    function Person() {}

    return Person;

})();

Child = (function (_super) {

    __extends(Child, _super);

    Child.name = 'Child';

    function Child() {
        return Child.__super__.constructor.apply(this, arguments);
    }

    return Child;

})(Person);