Hint
Empty arrays [] and objects {} are TRUTHY. This surprises many developers.
console.log(Boolean(0));
console.log(Boolean(''));
console.log(Boolean(null));
console.log(Boolean([]));
console.log(Boolean({}));false false false true true
Explanation: Falsy: 0, "", null, undefined, NaN, false. Everything else is truthy — including empty arrays and objects.
Key Insight: Empty arrays [] and objects {} are TRUTHY. This surprises many developers.