# lodash.flatten v4.4.0The [lodash](https://lodash.com/) method `_.flatten` exported as a [Node.js](https://nodejs.org/) module.## InstallationUsing npm:```bash$ {sudo-H} npm i -g npm$ npm i --save lodash.flatten```In Node.js:```jsvarflatten=require('lodash.flatten');```See the [documentation](https://lodash.com/docs#flatten) or [package source](https://github.com/lodash/lodash/blob/4.4.0-npm-packages/lodash.flatten) for more details.