The commit history is surprisingly long. The actual test evolved from return !!(~~i >> 0 & 1) to return !!(~~i & 1); to const n = Math.abs(value);

The commit history is surprisingly long. The actual test evolved from return !!(~~i >> 0 & 1) to return !!(~~i & 1); to const n = Math.abs(value); return (n % 2) === 1;