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Stdle #141 · scope · 2026-10-19

What does this JavaScript snippet output?

A past puzzle — fully playable. 4 attempts, hints on wrong guesses.

function f(a, b = a + 1, c = b + 1) {
return [a, b, c].join(",");
}
console.log(f(5));
Scope
4 attempts left

Answer & explanation