jashkenas--coffeescript/documentation/js/super.js

38 lines
1.0 KiB
JavaScript

(function(){
var Animal, Horse, Snake, _a, _b, sam, tom;
Animal = function Animal() { };
Animal.prototype.move = function move(meters) {
return alert(this.name + " moved " + meters + "m.");
};
Snake = function Snake(name) {
this.name = name;
return this;
};
_a = function(){};
_a.prototype = Animal.prototype;
Snake.__superClass__ = Animal.prototype;
Snake.prototype = new _a();
Snake.prototype.constructor = Snake;
Snake.prototype.move = function move() {
alert("Slithering...");
return Snake.__superClass__.move.call(this, 5);
};
Horse = function Horse(name) {
this.name = name;
return this;
};
_b = function(){};
_b.prototype = Animal.prototype;
Horse.__superClass__ = Animal.prototype;
Horse.prototype = new _b();
Horse.prototype.constructor = Horse;
Horse.prototype.move = function move() {
alert("Galloping...");
return Horse.__superClass__.move.call(this, 45);
};
sam = new Snake("Sammy the Python");
tom = new Horse("Tommy the Palomino");
sam.move();
tom.move();
})();