# array-each [](https://www.npmjs.com/package/array-each) [](https://npmjs.org/package/array-each) [](https://npmjs.org/package/array-each) [](https://travis-ci.org/jonschlinkert/array-each) > Loop over each item in an array and call the given function on every element. ## Install Install with [npm](https://www.npmjs.com/): ```sh $ npm install --save array-each ``` ## Usage ### [each](index.js#L34) Loop over each item in an array and call the given function on every element. **Params** * `array` **{Array}** * `fn` **{Function}** * `thisArg` **{Object}**: (optional) pass a `thisArg` to be used as the context in which to call the function. * `returns` **{undefined}** **Example** ```js each(['a', 'b', 'c'], function(ele) { return ele + ele; }); //=> ['aa', 'bb', 'cc'] each(['a', 'b', 'c'], function(ele, i) { return i + ele; }); //=> ['0a', '1b', '2c'] ``` ## About ### Related projects * [arr-filter](https://www.npmjs.com/package/arr-filter): Faster alternative to javascript's native filter method. | [homepage](https://github.com/jonschlinkert/arr-filter "Faster alternative to javascript's native filter method.") * [arr-map](https://www.npmjs.com/package/arr-map): Faster, node.js focused alternative to JavaScript's native array map. | [homepage](https://github.com/jonschlinkert/arr-map "Faster, node.js focused alternative to JavaScript's native array map.") * [collection-map](https://www.npmjs.com/package/collection-map): Returns an array of mapped values from an array or object. | [homepage](https://github.com/jonschlinkert/collection-map "Returns an array of mapped values from an array or object.") ### Contributing Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new). ### 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 Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert). Released under the [MIT License](LICENSE). *** _This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.4.2, on February 26, 2017._