| [6a3a178] | 1 | # arr-flatten [](https://www.npmjs.com/package/arr-flatten) [](https://npmjs.org/package/arr-flatten) [](https://npmjs.org/package/arr-flatten) [](https://travis-ci.org/jonschlinkert/arr-flatten) [](https://ci.appveyor.com/project/jonschlinkert/arr-flatten)
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| 2 |
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| 3 | > Recursively flatten an array or arrays.
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| 4 |
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| 5 | ## Install
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| 6 |
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| 7 | Install with [npm](https://www.npmjs.com/):
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| 8 |
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| 9 | ```sh
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| 10 | $ npm install --save arr-flatten
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| 11 | ```
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| 12 |
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| 13 | ## Install
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| 14 |
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| 15 | Install with [bower](https://bower.io/)
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| 16 |
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| 17 | ```sh
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| 18 | $ bower install arr-flatten --save
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| 19 | ```
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| 20 |
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| 21 | ## Usage
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| 22 |
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| 23 | ```js
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| 24 | var flatten = require('arr-flatten');
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| 25 |
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| 26 | flatten(['a', ['b', ['c']], 'd', ['e']]);
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| 27 | //=> ['a', 'b', 'c', 'd', 'e']
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| 28 | ```
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| 29 |
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| 30 | ## Why another flatten utility?
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| 31 |
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| 32 | I wanted the fastest implementation I could find, with implementation choices that should work for 95% of use cases, but no cruft to cover the other 5%.
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| 33 |
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| 34 | ## About
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| 35 |
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| 36 | ### Related projects
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| 37 |
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| 38 | * [arr-filter](https://www.npmjs.com/package/arr-filter): Faster alternative to javascript's native filter method. | [homepage](https://github.com/jonschlinkert/arr-filter "Faster alternative to javascript's native filter method.")
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| 39 | * [arr-union](https://www.npmjs.com/package/arr-union): Combines a list of arrays, returning a single array with unique values, using strict equality… [more](https://github.com/jonschlinkert/arr-union) | [homepage](https://github.com/jonschlinkert/arr-union "Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.")
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| 40 | * [array-each](https://www.npmjs.com/package/array-each): Loop over each item in an array and call the given function on every element. | [homepage](https://github.com/jonschlinkert/array-each "Loop over each item in an array and call the given function on every element.")
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| 41 | * [array-unique](https://www.npmjs.com/package/array-unique): Remove duplicate values from an array. Fastest ES5 implementation. | [homepage](https://github.com/jonschlinkert/array-unique "Remove duplicate values from an array. Fastest ES5 implementation.")
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| 42 |
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| 43 | ### Contributing
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| 44 |
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| 45 | Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
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| 46 |
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| 47 | ### Contributors
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| 48 |
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| 49 | | **Commits** | **Contributor** |
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| 50 | | --- | --- |
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| 51 | | 20 | [jonschlinkert](https://github.com/jonschlinkert) |
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| 52 | | 1 | [lukeed](https://github.com/lukeed) |
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| 53 |
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| 54 | ### Building docs
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| 55 |
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| 56 | _(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
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| 57 |
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| 58 | To generate the readme, run the following command:
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| 59 |
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| 60 | ```sh
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| 61 | $ npm install -g verbose/verb#dev verb-generate-readme && verb
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| 62 | ```
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| 63 |
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| 64 | ### Running tests
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| 65 |
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| 66 | Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
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| 67 |
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| 68 | ```sh
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| 69 | $ npm install && npm test
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| 70 | ```
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| 71 |
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| 72 | ### Author
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| 73 |
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| 74 | **Jon Schlinkert**
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| 75 |
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| 76 | * [github/jonschlinkert](https://github.com/jonschlinkert)
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| 77 | * [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
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| 78 |
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| 79 | ### License
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| 80 |
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| 81 | Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
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| 82 | Released under the [MIT License](LICENSE).
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| 83 |
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| 84 | ***
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| 85 |
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| 86 | _This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on July 05, 2017._ |
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