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array-unique

Remove duplicate values from an array. Fastest ES5 implementation.

Install

Install with npm:

$ npm install --save array-unique

Usage

var unique = require('array-unique');

var arr = ['a', 'b', 'c', 'c'];
console.log(unique(arr)) //=> ['a', 'b', 'c']
console.log(arr)         //=> ['a', 'b', 'c']

/* The above modifies the input array. To prevent that at a slight performance cost: */
var unique = require("array-unique").immutable;

var arr = ['a', 'b', 'c', 'c'];
console.log(unique(arr)) //=> ['a', 'b', 'c']
console.log(arr)         //=> ['a', 'b', 'c', 'c']

About

Related projects

• arr-diff: Returns an array with only the unique values from the first array, by excluding all… more | homepage
• arr-flatten: Recursively flatten an array or arrays. This is the fastest implementation of array flatten. | homepage
• arr-map: Faster, node.js focused alternative to JavaScript's native array map. | homepage
• arr-pluck: Retrieves the value of a specified property from all elements in the collection. | homepage
• arr-reduce: Fast array reduce that also loops over sparse elements. | homepage
• arr-union: Combines a list of arrays, returning a single array with unique values, using strict equality… more | homepage

Contributing

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

Building docs

(This document was generated by verb-generate-readme (a verb generator), please don't edit the readme directly. Any changes to the readme must be made in .verb.md.)

To generate the readme and API documentation with verb:

$ npm install -g verb verb-generate-readme && verb

Running tests

Install dev dependencies:

$ npm install -d && npm test

Author

Jon Schlinkert

• github/jonschlinkert
• twitter/jonschlinkert

License

Copyright © 2016, Jon Schlinkert. Released under the MIT license.

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This file was generated by verb-generate-readme, v0.1.28, on July 31, 2016.