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Update takeRightWhile.md

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Angelos Chalaris
2018-10-01 19:32:54 +03:00
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snippets/takeRightWhile.md
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Removes elements from the end of an array until the passed function returns `true`. Returns the removed elements. Removes elements from the end of an array until the passed function returns `true`. Returns the removed elements.
Loop through the array, using a `Array.reduceRight` and accumulate element if function returns falsy value. Loop through the array, using a `Array.prototype.reduceRight()` and accumulating elements while the function returns falsy value.
```js ```js
const takeRightWhile = (arr, func) => arr.reduceRight((acc, el) => func(el) ? acc : [el, ...acc], []); const takeRightWhile = (arr, func) => arr.reduceRight((acc, el) => func(el) ? acc : [el, ...acc], []);