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| function extend(a, b){ | |
| for(var key in b) | |
| if(b.hasOwnProperty(key)) | |
| a[key] = b[key]; | |
| return a; | |
| } | |
| var Dog = function(name,breed,age,happiness,hunger,energy) { | |
| var obj = {} | |
| obj.name = name | |
| obj.breed = breed | |
| obj.age = age | |
| obj.happiness = happiness | |
| obj.hunger = hunger | |
| obj.energy = energy | |
| extend(obj,Dog.methods) | |
| return obj | |
| } | |
| Dog.methods = { | |
| feed : function(food) { | |
| if(this.hunger - food > 0) { | |
| this.hunger -= food; | |
| } else { | |
| this.hunger = 0; | |
| } | |
| }, | |
| play : function(time) { | |
| if(this.happiness + time < 100) { | |
| this.happiness += time; | |
| } else { | |
| this.happiness = 100; | |
| } | |
| if(this.energy - time > 0) { | |
| this.energy -= time; | |
| } else { | |
| this.energy = 0; | |
| } | |
| }, | |
| nap : function(time) { | |
| if(dog.energy + time < 100) { | |
| dog.energy += time; | |
| } else { | |
| dog.energy = 100; | |
| } | |
| } | |
| } | |
| var newDog = Dog('Bob','hotdog',12,'happy',50,50) | |
| newDog.feed(4) | |
| newDog |
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| const dog = { | |
| name: 'Scout', | |
| breed: ['Husky', 'German Shepherd'], | |
| age: 4, | |
| happiness: 50, | |
| hunger: 10, | |
| energy: 100, | |
| }; | |
| dog['feed'] = function (food) { | |
| if(dog.hunger - food > 0) { | |
| dog.hunger -= food; | |
| } else { | |
| dog.hunger = 0; | |
| } | |
| } | |
| dog['play'] = function(time) { | |
| if(dog.happiness + time < 100) { | |
| dog.happiness += time; | |
| } else { | |
| dog.happiness = 100; | |
| } | |
| if(dog.energy - time > 0) { | |
| dog.energy -= time; | |
| } else { | |
| dog.energy = 0; | |
| } | |
| } | |
| dog['nap'] = function(time) { | |
| if(dog.energy + time < 100) { | |
| dog.energy += time; | |
| } else { | |
| dog.energy = 100; | |
| } | |
| } |
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| var Dog = function(name,breed,age,happiness,hunger,energy) { | |
| var obj = Object.create(Dog.prototype) | |
| obj.name = name | |
| obj.breed = breed | |
| obj.age = age | |
| obj.happiness = happiness | |
| obj.hunger = hunger | |
| obj.energy = energy | |
| return obj | |
| } | |
| Dog.prototype.feed = function(food) { | |
| if(this.hunger - food > 0) { | |
| this.hunger -= food; | |
| } else { | |
| this.hunger = 0; | |
| } | |
| }, | |
| Dog.prototype.play = function(time) { | |
| if(this.happiness + time < 100) { | |
| this.happiness += time; | |
| } else { | |
| this.happiness = 100; | |
| } | |
| if(this.energy - time > 0) { | |
| this.energy -= time; | |
| } else { | |
| this.energy = 0; | |
| } | |
| }, | |
| Dog.prototype.nap = function(time) { | |
| if(dog.energy + time < 100) { | |
| dog.energy += time; | |
| } else { | |
| dog.energy = 100; | |
| } | |
| } |
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| var Dog = function(name,breed,age,happiness,hunger,energy) { | |
| this.name = name | |
| this.breed = breed | |
| this.age = age | |
| this.happiness = happiness | |
| this.hunger = hunger | |
| this.energy = energy | |
| } | |
| Dog.prototype.feed = function(food) { | |
| if(this.hunger - food > 0) { | |
| this.hunger -= food; | |
| } else { | |
| this.hunger = 0; | |
| } | |
| }, | |
| Dog.prototype.play = function(time) { | |
| if(this.happiness + time < 100) { | |
| this.happiness += time; | |
| } else { | |
| this.happiness = 100; | |
| } | |
| if(this.energy - time > 0) { | |
| this.energy -= time; | |
| } else { | |
| this.energy = 0; | |
| } | |
| }, | |
| Dog.prototype.nap = function(time) { | |
| if(dog.energy + time < 100) { | |
| dog.energy += time; | |
| } else { | |
| dog.energy = 100; | |
| } | |
| } | |
| var newDog = new Dog('Bob','hotdog',12,'happy',50,50) | |
| newDog.feed(4) | |
| newDog |
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