//__proto__
var animal = {
eats: "eats"
};
var rabbit = {
jumps: true,
eats: "meat"
};
rabbit.__proto__ = animal;
console.log(rabbit.jumps);
//prototype
var rabbit = {
jumps: true,
eats: "meat"
};
function Rabbit(name) {
this.name = name;
}
Rabbit.prototype = rabbit;
var rabbit = new Rabbit("Кроль");
console.log(rabbit.jumps);