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arr-diff

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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.

    4.0.0latest

Version published
Maintainers
3
Weekly downloads
17,502,188
decreased by-10.7%

Weekly downloads

Readme

Source

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

Contributing

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

Contributors

CommitsContributor
33jonschlinkert
2paulmillr

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.

Keywords

FAQs

What is 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.

Is arr-diff popular?

The npm package arr-diff receives a total of 13,434,117 weekly downloads. As such, arr-diff popularity was classified as popular.

Is arr-diff well maintained?

We found that arr-diff demonstrated a not healthy version release cadence and project activity because the last version was released a year ago.It has 3 open source maintainers collaborating on the project.

Last updated on 14 Apr 2017

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