"use strict";
const order = {};
Object.defineProperty(order, "id", { value: 1042, enumerable: true });
try { order.id = 1; } catch (e) { console.log(e.name); }
console.log(order.id);

const cup = Object.defineProperties({}, {
  ml: { value: 350, enumerable: true },
  liters: { get() { return this.ml / 1000; } }
});
console.log(cup.ml, cup.liters, Object.keys(cup));

console.log(Object.getOwnPropertyDescriptor([1], "length"));

const src = { get now() { return "вычислено"; } };
const copy = Object.defineProperties({}, Object.getOwnPropertyDescriptors(src));
console.log(copy.now, typeof Object.getOwnPropertyDescriptor(copy, "now").get);