javascript

CHAPTER 5 ■ MEMBER INHERITANCE
170
var extend = (function () {
var Proxy = function () {};
return function (child, parent) {
Proxy.prototype = parent.prototype;
child.prototype = new Proxy();
child.prototype.constructor = child;
child.donor = parent.prototype;
}
}());
var Cherry = function(cherry) {
this.cherries = [2, "cup, pitted and halved", cherry ? cherry : "Bing"];
};
Cherry.prototype = {
heavyCream: [1, "cup", "Organic Valley"],
halfHalf: [1, "cup", "Organic Valley"],
sugar: [9/16, "cup"],
yolks: [3],
vanilla: [1, "bean", "Madagascar Bourbon"]
};
var CherryGarcia = function(cherry, bittersweet) {
Cherry.apply(this, [cherry]);
this.bittersweet = [1, "cup, coarsely chopped", bittersweet ? bittersweet : "Callebaut"];
};
extend(CherryGarcia, Cherry);
var cherry = new Cherry();
var cherryGarcia = new CherryGarcia();
console.dir(cherry);
console.dir(cherryGarcia);