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Merge pull request #1166 from dym-sh/patch-1

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use isArray instead of instanceof
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Angelos Chalaris
2020-07-12 18:30:20 +03:00
committed by GitHub
parent cf18160ec1 3e39f23d4b
commit 59fb02a29b
1 changed files with 1 additions and 1 deletions
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snippets/last.md
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@ -8,7 +8,7 @@ Returns the last element in an array.
Check if `arr` is an instance of an `Array`, use `arr.length - 1` to compute the index of the last element of the given array and return it, otherwise return `undefined`. Check if `arr` is an instance of an `Array`, use `arr.length - 1` to compute the index of the last element of the given array and return it, otherwise return `undefined`.
```js ```js
const last = arr => (arr instanceof Array ? arr[arr.length - 1] : undefined); const last = arr => (Array.isArray(arr) ? arr[arr.length - 1] : undefined);
``` ```
```js ```js