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https://github.com/lodash/lodash

A modern JavaScript utility library delivering modularity, performance, & extras.
https://github.com/lodash/lodash

javascript lodash modules utilities

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A modern JavaScript utility library delivering modularity, performance, & extras.

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README 

        
# lodash v4.17.21



[Site](https://lodash.com/) |

[Docs](https://lodash.com/docs) |

[FP Guide](https://github.com/lodash/lodash/wiki/FP-Guide) |

[Contributing](https://github.com/lodash/lodash/blob/master/.github/CONTRIBUTING.md) |

[Wiki](https://github.com/lodash/lodash/wiki "Changelog, Roadmap, etc.") |

[Code of Conduct](https://js.foundation/conduct/) |

[Twitter](https://twitter.com/bestiejs) |

[Chat](https://gitter.im/lodash/lodash)



The [Lodash](https://lodash.com/) library exported as a [UMD](https://github.com/umdjs/umd) module.



Generated using [lodash-cli](https://www.npmjs.com/package/lodash-cli):

```shell

$ npm run build

$ lodash -o ./dist/lodash.js

$ lodash core -o ./dist/lodash.core.js

```



## Download



 * [Core build](https://raw.githubusercontent.com/lodash/lodash/4.17.21/dist/lodash.core.js) ([~4 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.17.21/dist/lodash.core.min.js))

 * [Full build](https://raw.githubusercontent.com/lodash/lodash/4.17.21/dist/lodash.js) ([~24 kB gzipped](https://raw.githubusercontent.com/lodash/lodash/4.17.21/dist/lodash.min.js))

 * [CDN copies](https://www.jsdelivr.com/projects/lodash)



Lodash is released under the [MIT license](https://raw.githubusercontent.com/lodash/lodash/4.17.21/LICENSE) & supports modern environments.


Review the [build differences](https://github.com/lodash/lodash/wiki/build-differences) & pick one that’s right for you.



## Installation



In a browser:

```html



```



Using npm:

```shell

$ npm i -g npm

$ npm i --save lodash

```



In Node.js:

```js

// Load the full build.

var _ = require('lodash');

// Load the core build.

var _ = require('lodash/core');

// Load the FP build for immutable auto-curried iteratee-first data-last methods.

var fp = require('lodash/fp');



// Load method categories.

var array = require('lodash/array');

var object = require('lodash/fp/object');



// Cherry-pick methods for smaller browserify/rollup/webpack bundles.

var at = require('lodash/at');

var curryN = require('lodash/fp/curryN');

```



**Note:**


Install [n_](https://www.npmjs.com/package/n_) for Lodash use in the Node.js < 6 REPL.



## Why Lodash?



Lodash makes JavaScript easier by taking the hassle out of working with arrays,


numbers, objects, strings, etc. Lodash’s modular methods are great for:



 * Iterating arrays, objects, & strings

 * Manipulating & testing values

 * Creating composite functions



## Module Formats



Lodash is available in a [variety of builds](https://lodash.com/custom-builds) & module formats.



 * [lodash](https://www.npmjs.com/package/lodash) & [per method packages](https://www.npmjs.com/browse/keyword/lodash-modularized)

 * [lodash-es](https://www.npmjs.com/package/lodash-es), [babel-plugin-lodash](https://www.npmjs.com/package/babel-plugin-lodash), & [lodash-webpack-plugin](https://www.npmjs.com/package/lodash-webpack-plugin)

 * [lodash/fp](https://github.com/lodash/lodash/tree/npm/fp)

 * [lodash-amd](https://www.npmjs.com/package/lodash-amd)