Guess the Output · #20 · 2026-04-24
What does this print?
JavaScript ·Difficulty 2/3
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 = [1, 2, 3];
delete a[1];
console.log(a.length, a[1]);
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