JavaScript Property Descriptors Quiz: writable, enumerable and configurable

JavaScript Property Descriptors Quiz: writable, enumerable and configurable

Choose one answer. Each attempt draws 10 of 20 questions; the practice pass mark is 8/10. Original topic practice, not an official exam. Object.defineProperty defaults, strict-mode failures, accessors and shallow freezing.
1 из 10
What is printed?
JavaScript
const o = Object.freeze({nested: {x: 1}});
o.nested.x = 8;
console.log(o.nested.x);