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30-seconds-of-code/javascript/snippets/find-last.md
2023-05-01 22:35:56 +03:00

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---
title: Find last matching value
type: snippet
tags: [array]
cover: misty-mountains
dateModified: 2020-10-22T20:23:47+03:00
---
Finds the last element for which the provided function returns a truthy value.
- Use `Array.prototype.filter()` to remove elements for which `fn` returns falsy values.
- Use `Array.prototype.pop()` to get the last element in the filtered array.
```js
const findLast = (arr, fn) => arr.filter(fn).pop();
```
```js
findLast([1, 2, 3, 4], n => n % 2 === 1); // 3
```