FM / arr-diff

/var/www/cobraambalaj/node_modules/arr-diff/

/var/www/cobraambalaj/node_modules/arr-diff

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Edit: /var/www/cobraambalaj/node_modules/arr-diff/README.md (4475B)

# arr-diff [![NPM version](https://img.shields.io/npm/v/arr-diff.svg?style=flat)](https://www.npmjs.com/package/arr-diff) [![NPM monthly downloads](https://img.shields.io/npm/dm/arr-diff.svg?style=flat)](https://npmjs.org/package/arr-diff) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/arr-diff.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/arr-diff)

> Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.

## Install

Install with [npm](https://www.npmjs.com/):

```sh
$ npm install --save arr-diff
```

Install with [yarn](https://yarnpkg.com):

```sh
$ yarn add arr-diff
```

Install with [bower](https://bower.io/)

```sh
$ bower install arr-diff --save
```

## Usage

Returns the difference between the first array and additional arrays.

```js
var diff = require('arr-diff');

var a = ['a', 'b', 'c', 'd'];
var b = ['b', 'c'];

console.log(diff(a, b))
//=> ['a', 'd']
```

## Benchmarks

This library versus [array-differ](https://github.com/sindresorhus/array-differ), on April 14, 2017:

```
Benchmarking: (4 of 4)
 · long-dupes
 · long
 · med
 · short

# benchmark/fixtures/long-dupes.js (100804 bytes)
  arr-diff-3.0.0 x 822 ops/sec ±0.67% (86 runs sampled)
  arr-diff-4.0.0 x 2,141 ops/sec ±0.42% (89 runs sampled)
  array-differ x 708 ops/sec ±0.70% (89 runs sampled)

fastest is arr-diff-4.0.0

# benchmark/fixtures/long.js (94529 bytes)
  arr-diff-3.0.0 x 882 ops/sec ±0.60% (87 runs sampled)
  arr-diff-4.0.0 x 2,329 ops/sec ±0.97% (83 runs sampled)
  array-differ x 769 ops/sec ±0.61% (90 runs sampled)

fastest is arr-diff-4.0.0

# benchmark/fixtures/med.js (708 bytes)
  arr-diff-3.0.0 x 856,150 ops/sec ±0.42% (89 runs sampled)
  arr-diff-4.0.0 x 4,665,249 ops/sec ±1.06% (89 runs sampled)
  array-differ x 653,888 ops/sec ±1.02% (86 runs sampled)

fastest is arr-diff-4.0.0

# benchmark/fixtures/short.js (60 bytes)
  arr-diff-3.0.0 x 3,078,467 ops/sec ±0.77% (93 runs sampled)
  arr-diff-4.0.0 x 9,213,296 ops/sec ±0.65% (89 runs sampled)
  array-differ x 1,337,051 ops/sec ±0.91% (92 runs sampled)

fastest is arr-diff-4.0.0
```

## About

### Related projects

* [arr-flatten](https://www.npmjs.com/package/arr-flatten): Recursively flatten an array or arrays. This is the fastest implementation of array flatten. | [homepage](https://github.com/jonschlinkert/arr-flatten "Recursively flatten an array or arrays. This is the fastest implementation of array flatten.")
* [array-filter](https://www.npmjs.com/package/array-filter): Array#filter for older browsers. | [homepage](https://github.com/juliangruber/array-filter "Array#filter for older browsers.")
* [array-intersection](https://www.npmjs.com/package/array-intersection): Return an array with the unique values present in _all_ given arrays using strict equality… [more](https://github.com/jonschlinkert/array-intersection) | [homepage](https://github.com/jonschlinkert/array-intersection "Return an array with the unique values present in _all_ given arrays using strict equality for comparisons.")

### Contributing

Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).

### Contributors

| **Commits** | **Contributor** | 
| --- | --- |
| 33 | [jonschlinkert](https://github.com/jonschlinkert) |
| 2 | [paulmillr](https://github.com/paulmillr) |

### Building docs

_(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.)_

To generate the readme, run the following command:

```sh
$ npm install -g verbose/verb#dev verb-generate-readme && verb
```

### Running tests

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:

```sh
$ npm install && npm test
```

### Author

**Jon Schlinkert**

* [github/jonschlinkert](https://github.com/jonschlinkert)
* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)

### License

***

_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 14, 2017._

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