# merge-deep [![NPM version](https://img.shields.io/npm/v/merge-deep.svg?style=flat)](https://www.npmjs.com/package/merge-deep) [![NPM monthly downloads](https://img.shields.io/npm/dm/merge-deep.svg?style=flat)](https://npmjs.org/package/merge-deep) [![NPM total downloads](https://img.shields.io/npm/dt/merge-deep.svg?style=flat)](https://npmjs.org/package/merge-deep) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/merge-deep.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/merge-deep) > Recursively merge values in a javascript object. Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support. ## Install Install with [npm](https://www.npmjs.com/): ```sh $ npm install --save merge-deep ``` Based on [mout's](https://github.com/mout/mout) implementation of merge ## Usage ```js var merge = require('merge-deep'); merge({a: {b: {c: 'c', d: 'd'}}}, {a: {b: {e: 'e', f: 'f'}}}); //=> { a: { b: { c: 'c', d: 'd', e: 'e', f: 'f' } } } ``` ## About

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).

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 ```

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 ```

### Related projects You might also be interested in these projects: * [assign-deep](https://www.npmjs.com/package/assign-deep): Deeply assign the values of all enumerable-own-properties and symbols from one or more source objects… [more](https://github.com/jonschlinkert/assign-deep) | [homepage](https://github.com/jonschlinkert/assign-deep "Deeply assign the values of all enumerable-own-properties and symbols from one or more source objects to a target object. Returns the target object.") * [defaults-deep](https://www.npmjs.com/package/defaults-deep): Like `extend` but recursively copies only the missing properties/values to the target object. | [homepage](https://github.com/jonschlinkert/defaults-deep "Like `extend` but recursively copies only the missing properties/values to the target object.") * [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.") * [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep "Recursively merge values in a javascript object.") * [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone… [more](https://github.com/jonschlinkert/mixin-deep) | [homepage](https://github.com/jonschlinkert/mixin-deep "Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. No dependencies.") * [omit-deep](https://www.npmjs.com/package/omit-deep): Recursively omit the specified key or keys from an object. | [homepage](https://github.com/jonschlinkert/omit-deep "Recursively omit the specified key or keys from an object.") ### Contributors | **Commits** | **Contributor** | | --- | --- | | 32 | [jonschlinkert](https://github.com/jonschlinkert) | | 8 | [doowb](https://github.com/doowb) | ### Author **Jon Schlinkert** * [GitHub Profile](https://github.com/jonschlinkert) * [Twitter Profile](https://twitter.com/jonschlinkert) * [LinkedIn Profile](https://linkedin.com/in/jonschlinkert) ### License Copyright © 2021, [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), v0.8.0, on January 11, 2021._

			Stars	Issues	Version	Updated	Created	Size
	deep-extend		202	12	0.6.0	6 years ago	12 years ago
	merge-deep		111	13	3.0.3	4 years ago	10 years ago

deep-extend vs merge-deep

Downloads in past1 Month3 Months6 Months1 Year2 Years5 YearsAll time

Stats

Sick of boring JavaScript newsletters?

Downloads in past