JavaScript structuredClone Quiz: Identity, Cycles and Transfer

JavaScript structuredClone Quiz: Identity, Cycles and Transfer

Choose one answer. Each attempt draws 10 of 20 questions; the practice pass mark is 8/10. Original topic practice, not an official exam. Structured cloning of ordinary data, unsupported values and ArrayBuffer transfer.
1 из 10
What is printed?
JavaScript
const d = new Date('2024-01-02T03:04:05Z');
console.log(structuredClone(d).toISOString());