Interesting, as my solution to that was a few characters shorter, but I never thought about it as code-golfed. It's just how I think.
(a, b) => a.reduce(([x, y], a, i) => a > b[i] ? [x + 1, y] : a < b[i] ? [x, y + 1] : [x, y], [0, 0])
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Interesting, as my solution to that was a few characters shorter, but I never thought about it as code-golfed. It's just how I think.