下面结果是什么?
function DogFactory(color) {
this.color = color
this.sayHi = function(){
console.log('Hi')
}
this.showColor = function(){
console.log(this.color)
}
}
DogFactory.prototype.sayHi = function(){
console.log('Ho')
}
DogFactory.prototype.type = 'dog'
var dog1 = new DogFactory('Black')
var dog2 = new DogFactory('White')
dog1.sayHi()
dog1.showColor()
dog1.type = 'mini dog'
console.log(dog1.type)
console.log(dog1.__proto__.type)
dog2.sayHi()
dog2.showColor()
console.log(dog2.type)
