Learn Functional Programming by Building a Spreadsheet - Step 25

JavaScript
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// User Editable Region

const median = nums => {
  const sorted = nums.slice().sort((a, b) => a - b);
  const length = sorted.length;
  const middle = length / 2 - 1;
  return isEven(length) ? average([sorted[middle], sorted[middle + 1]]) : Math.ceil(sorted[middle]);
}

// User Editable Region

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Challenge Information:

Learn Functional Programming by Building a Spreadsheet - Step 25

1 Like
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if it’s odd you need to round middle before accessing sorted[middle]

6 Likes
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took my ages to realise but you use Math.ceil in the sorted array. not the sorted array in Math.ceil.