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Update array-pull-(mutates-array).md

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Angelos Chalaris
2017-12-17 11:47:17 +02:00
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snippets/array-pull-(mutates-array).md
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### Array pull (mutates array) ### Array pull (mutates array)
Use `Array.filter()` to pull out the values that are not needed. Use `Array.filter()` and `Array.includes()` to pull out the values that are not needed.
Use `Array.length = 0` to mutate the passed in array by resetting it's length to zero. Use `Array.length = 0` to mutate the passed in array by resetting it's length to zero and `Array.push()` to re-populate it with only the pulled values.
Use `Array.push()` to re-populate the original array to equal the pulled values
```js ```js
const pull = (arr, ...args) => { const pull = (arr, ...args) => {