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var arraySign = function (nums) {
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  // use filter to find total negative numbers in the array
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  let negativeCount = nums.filter((n) => n < 0).length;
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  // check if the nums array has zero. If it does, then return 0
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  if (nums.includes(0)) return 0;
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  // If negativeCount variable is even answer is 1 else -1
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  return negativeCount % 2 === 0 ? 1 : -1;
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};