in-array

Return true if a value exists in an array. Faster than using indexOf and won't blow up on null values.

Install

Install with npm:

$ npm install in-array --save

Usage

var inArray = require('in-array');
console.log(inArray(['a', 'b', 'c'], 'a'));
//=> true

console.log(inArray(null, 'a'));
//=> false

console.log(inArray(null));
//=> false

Related projects

You might also be interested in these projects:

• arr-flatten: Recursively flatten an array or arrays. This is the fastest implementation of array flatten. | homepage
• arr-union: Combines a list of arrays, returning a single array with unique values, using strict equality… more | homepage
• is-plain-object: Returns true if an object was created by the Object constructor. | homepage
• isobject: Returns true if the value is an object and not an array or null. | homepage

Contributing

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

Building docs

Generate readme and API documentation with verb:

$ npm install verb && npm run docs

Or, if verb is installed globally:

$ 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.

This file was generated by verb, v, on March 27, 2016.

Current Tags

• 0.1.2                                ...           latest (9 years ago)

3 Versions

• 0.1.2                                ...           9 years ago
• 0.1.1                                ...           9 years ago
• 0.1.0                                ...           10 years ago