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How does object.create work in JavaScript?
var food = {fruit:"apple"};
var more_food = {vegetable:"celery"};
food.__proto__ = more_food;
food.vegetable // celery
food.fruit // apple

var food = {fruit:"apple"};
var more_food = {vegetable:"celery"};
food = Object.create(more_food);
food.vegetable // celery
food.fruit // undefined

var food = {fruit:"apple"};
var more_food = Object.create(food, {
  vegetable: { value: "celery" }
});

more_food.fruit;     // "apple"
more_food.vegetable; // "celery"

more_food.hasOwnProperty('fruit'); // false, inherited
'fruit' in more_food;              // true

more_food.hasOwnProperty('vegetable'); // true

Object.create