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Make median.md immutable

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`.sort()` mutates the original array
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atomiks
2017-12-19 10:58:11 +11:00
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parent 19aae4ec50
commit 0128cc2a10
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snippets/median.md
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@ -7,7 +7,7 @@ Return the number at the midpoint if `length` is odd, otherwise the average of t
```js ```js
const median = arr => { const median = arr => {
const mid = Math.floor(arr.length / 2), nums = arr.sort((a, b) => a - b); 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; return arr.length % 2 !== 0 ? nums[mid] : (nums[mid - 1] + nums[mid]) / 2;
}; };
// median([5,6,50,1,-5]) -> 5 // median([5,6,50,1,-5]) -> 5