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Three Five Multiples

Answer

function ThreeFiveMultiples(num) { if (num <= 3) { return 0; } let multiples = []; for (i = 3; i < num; i++) { if (i % 3 === 0 || i % 5 === 0) { multiples.push(i); } } return multiples.reduce((a, b) => a + b, 0); }