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Merge pull request #960 from henrycjchen/master

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update-dropRightWhilejust: slice arr once
This commit is contained in:
Angelos Chalaris
2019-05-29 09:16:18 +03:00
committed by GitHub
parent fe606cc4d9 8440492710
commit 7db36a21d1
1 changed files with 3 additions and 2 deletions
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snippets/dropRightWhile.md
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@ -7,8 +7,9 @@ Returns the remaining elements.
```js ```js
const dropRightWhile = (arr, func) => { const dropRightWhile = (arr, func) => {
while (arr.length > 0 && !func(arr[arr.length - 1])) arr = arr.slice(0, -1); let rightIndex = arr.length;
return arr; while (rightIndex-- && !func(arr[rightIndex]));
return arr.slice(0, rightIndex + 1);
}; };
``` ```