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How classes works on CoffeeScript
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| var Animal, Horse, Snake, sam, tom, | |
| __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; | |
| }; | |
| Animal = (function() { | |
| function Animal(name) { | |
| this.name = name; | |
| } | |
| Animal.prototype.move = function(meters) { | |
| return alert(this.name + (" moved " + meters + "m.")); | |
| }; | |
| return Animal; | |
| })(); | |
| Snake = (function(_super) { | |
| __extends(Snake, _super); | |
| function Snake() { | |
| return Snake.__super__.constructor.apply(this, arguments); | |
| } | |
| Snake.prototype.move = function() { | |
| alert("Slithering..."); | |
| return Snake.__super__.move.call(this, 5); | |
| }; | |
| return Snake; | |
| })(Animal); | |
| Horse = (function(_super) { | |
| __extends(Horse, _super); | |
| function Horse() { | |
| return Horse.__super__.constructor.apply(this, arguments); | |
| } | |
| Horse.prototype.move = function() { | |
| alert("Galloping..."); | |
| return Horse.__super__.move.call(this, 45); | |
| }; | |
| return Horse; | |
| })(Animal); | |
| sam = new Snake("Sammy the Python"); | |
| tom = new Horse("Tommy the Palomino"); | |
| sam.move(); | |
| tom.move(); |
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