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median javascript Code Snippet in 2024

matharrayintermediate

Last Updated: 1 December 2024

Calculates the median of an array of numbers.

  • Find the middle of the array, use Array.prototype.sort() to sort the values.
  • Return the number at the midpoint if Array.prototype.length is odd, otherwise the average of the two middle numbers.
const median = arr => { const mid = Math.floor(arr.length / 2), nums = [...arr].sort((a, b) => a - b); return arr.length % 2 !== 0 ? nums[mid] : (nums[mid - 1] + nums[mid]) / 2; };
median([5, 6, 50, 1, -5]); // 5

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