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Discussion on: Challenge: Get Closest Number in an Array

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Replies for: Using JavaScript Set: const closest_num = (nums, given_num) => { const min_dist = Math.min(...nums.map(num => Math.abs(num - given_num))...

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Gabriel Wu • • Edited

Or we can save the intermediate array:

const closest_num = (nums, given_num) => {
  const absolute_dists = nums.map(num => Math.abs(num - given_num))
  const min_absolute_dist = Math.min(...absolute_dists)
  return nums[absolute_dists.indexOf(min_absolute_dist)]
}