Convert Integer to the Sum of Two No-Zero Integers LeetCode solution in JavaScript

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var getNoZeroIntegers = function (n) {
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  for (let i = 1; i <= n; i++) {
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    if (!haveZero(i) && !haveZero(n - i)) {
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      return [i, n - i];
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    }
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  }
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};
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const haveZero = (n) => {
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  let copy = n;
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  while (copy > 0) {
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    if (copy % 10 === 0) {
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      return true;
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    }
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    copy = Math.floor(copy / 10);
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  }
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  return false;
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};