<p>[![NPM version][npm-image]][npm-url]</p>
<p>[![NPM downloads][downloads-image]][downloads-url]</p>
<p>[![Build status][travis-image]][travis-url]</p>
<p>[![Test coverage][coveralls-image]][coveralls-url]</p>

<blockquote>
<p>Flatten an array of nested arrays into a single flat array. Accepts an optional depth.</p>
</blockquote>

<h3>Installation</h3>

<pre><code>
npm install array-flatten --save
</code></pre>

<h3>Usage</h3>

<pre><code>
var flatten = require('array-flatten')

flatten([1, [2, [3, [4, [5], 6], 7], 8], 9])
//=> [1, 2, 3, 4, 5, 6, 7, 8, 9]

flatten([1, [2, [3, [4, [5], 6], 7], 8], 9], 2)
//=> [1, 2, 3, [4, [5], 6], 7, 8, 9]

(function () {
flatten(arguments) //=> [1, 2, 3]
})(1, [2, 3])
</code></pre>

<h3>License</h3>

<p>MIT</p>

<p>[npm-image]: https://img.shields.io/npm/v/array-flatten.svg?style=flat</p>
<p>[npm-url]: https://npmjs.org/package/array-flatten</p>
<p>[downloads-image]: https://img.shields.io/npm/dm/array-flatten.svg?style=flat</p>
<p>[downloads-url]: https://npmjs.org/package/array-flatten</p>
<p>[travis-image]: https://img.shields.io/travis/blakeembrey/array-flatten.svg?style=flat</p>
<p>[travis-url]: https://travis-ci.org/blakeembrey/array-flatten</p>
<p>[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/array-flatten.svg?style=flat</p>
<p>[coveralls-url]: https://coveralls.io/r/blakeembrey/array-flatten?branch=master</p>

<hr>

<p>本文由模极社发布</p>

<h4> 内容概览</h4>

<table>
<tr><td>分类</td><td>要点</td><td>建议/说明</td></tr>
<tr><td>核心概念</td><td>Array Flatten</td><td>详见正文</td></tr>
<tr><td>操作步骤</td><td>Array Flatten</td><td>详见正文</td></tr>
<tr><td>注意事项</td><td>Array Flatten</td><td>详见正文</td></tr>
<tr><td>适用场景</td><td>Array Flatten</td><td>详见正文</td></tr>
<tr><td>常见问题</td><td>Array Flatten</td><td>详见正文</td></tr>
</table>

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<p>新手建议收藏，老手欢迎指点。</p>