Guess the Output · #56 · 2026-05-30
What does this print?
JavaScript ·Difficulty 1/3
How to play
Read the code snippet and pick the correct output from four choices. One shot — no take-backs. Press 1–4 or click to answer.
const a = { x: 1, y: 2 };
const b = { y: 3, z: 4 };
console.log({ ...a, ...b });
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Press 1 through 4, or tap a numbered choice, to answer. Back to hub