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{} stackoverfun

Guess the Output · #40 · 2026-05-14

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.

console.log(NaN === NaN);
console.log(NaN !== NaN);

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Press 1 through 4, or tap a numbered choice, to answer. Back to hub