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    arr-diff
    DefinitelyTyped icon, indicating that this package has TypeScript declarations provided by the separate @types/arr-diff package

    4.0.0 • Public • Published

    arr-diff NPM version NPM monthly downloads Linux Build Status

    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:

    $ npm install --save arr-diff

    Install with yarn:

    $ yarn add arr-diff

    Install with bower

    $ bower install arr-diff --save

    Usage

    Returns the difference between the first array and additional arrays.

    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, 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

    Contributing

    Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

    Contributors

    Commits Contributor
    33 jonschlinkert
    2 paulmillr

    Building docs

    (This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)

    To generate the readme, run the following command:

    $ 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:

    $ npm install && npm test

    Author

    Jon Schlinkert

    License

    Copyright © 2017, Jon Schlinkert. Released under the MIT License.


    This file was generated by verb-generate-readme, v0.5.0, on April 14, 2017.

    Install

    npm i arr-diff

    DownloadsWeekly Downloads

    21,499,032

    Version

    4.0.0

    License

    MIT

    Last publish

    Collaborators

    • paulmillr
    • doowb
    • jonschlinkert