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Functional class, Prototypal class, Pseudoclassical class
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////////////////////// | |
// Functional class // | |
////////////////////// | |
const Dog = function(name, breed, age){ | |
var dog = { | |
name: name, | |
breed: breed, | |
age: age, | |
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; | |
} | |
}; | |
dog.nap = function(time){ | |
if (dog.energy + time < 100){ | |
dog.energy += time; | |
} else { | |
dog.energy = 100; | |
} | |
} | |
return dog; | |
} | |
////////////////////// | |
// Prototypal class // | |
////////////////////// | |
const Dog = function(name, breed, age){ | |
var dog = Object.create(Dog.prototype); | |
dog.name = name; | |
dog.breed = breed; | |
dog.age = age; | |
dog.happiness = 50; | |
dog.hunger = 10; | |
dog.energy = 100; | |
return dog; | |
} | |
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; | |
} | |
}; | |
Dog.prototype.nap = function(time){ | |
if (this.energy + time < 100){ | |
this.energy += time; | |
} else { | |
this.energy = 100; | |
} | |
} | |
/////////////////////////// | |
// Pseudoclassical class // | |
/////////////////////////// | |
const Dog = function(name, breed, age){ | |
this.name = name; | |
this.breed = breed; | |
this.age = age; | |
this.happiness = 50; | |
this.hunger = 10; | |
this.energy = 100; | |
} | |
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 (this.energy + time < 100){ | |
this.energy += time; | |
} else { | |
this.energy = 100; | |
} | |
}; | |
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