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30secondsofcode
2018-02-26 12:04:41 +00:00
parent a33988c5f0
commit 16a035b82b
3 changed files with 4 additions and 13 deletions
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snippets/sortedLastIndex.md
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@ -8,9 +8,7 @@ Use `Array.reverse()` and `Array.findIndex()` to find the appropriate last index
```js
const sortedLastIndex = (arr, n) => {
const isDescending = arr[0] > arr[arr.length - 1];
const index = arr
.reverse()
.findIndex(el => (isDescending ? n <= el : n >= el));
const index = arr.reverse().findIndex(el => (isDescending ? n <= el : n >= el));
return index === -1 ? 0 : arr.length - index - 1;
};
```