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# object.omit [](https://www.npmjs.com/package/object.omit) [](https://npmjs.org/package/object.omit) [](https://npmjs.org/package/object.omit) [](https://travis-ci.org/jonschlinkert/object.omit)
> Return a copy of an object excluding the given key, or array of keys. Also accepts an optional filter function as the last argument.
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save object.omit
```
## Usage
```js
var omit = require('object.omit');
```
Pass a string `key` to omit:
```js
omit({a: 'a', b: 'b', c: 'c'}, 'a')
//=> { b: 'b', c: 'c' }
```
Pass an array of `keys` to omit:
```js
omit({a: 'a', b: 'b', c: 'c'}, ['a', 'c'])
//=> { b: 'b' }
```
Returns the object if no keys are passed:
```js
omit({a: 'a', b: 'b', c: 'c'})
//=> {a: 'a', b: 'b', c: 'c'}
```
Returns an empty object if no value is passed.
```js
omit()
//=> {}
```
### Filter function
An optional filter function may be passed as the last argument, with or without keys passed on the arguments:
**filter on keys**
```js
var res = omit({a: 'a', b: 'b', c: 'c'}, function (val, key) {
return key === 'a';
});
//=> {a: 'a'}
```
**filter on values**
```js
var fn = function() {};
var obj = {a: 'a', b: 'b', c: fn};
var res = omit(obj, ['a'], function (val, key) {
return typeof val !== 'function';
});
//=> {b: 'b'}
```
## About
### Related projects
* [object.defaults](https://www.npmjs.com/package/object.defaults): Like `extend` but only copies missing properties/values to the target object. | [homepage](https://github.com/jonschlinkert/object.defaults "Like `extend` but only copies missing properties/values to the target object.")
* [object.filter](https://www.npmjs.com/package/object.filter): Create a new object filtered to have only properties for which the callback returns true. | [homepage](https://github.com/jonschlinkert/object.filter "Create a new object filtered to have only properties for which the callback returns true.")
* [object.pick](https://www.npmjs.com/package/object.pick): Returns a filtered copy of an object with only the specified keys, similar to `_.pick… [more](https://github.com/jonschlinkert/object.pick) | [homepage](https://github.com/jonschlinkert/object.pick "Returns a filtered copy of an object with only the specified keys, similar to`_.pick` from lodash / underscore.")
* [object.pluck](https://www.npmjs.com/package/object.pluck): Like pluck from underscore / lo-dash, but returns an object composed of specified properties, with… [more](https://github.com/jonschlinkert/object.pluck) | [homepage](https://github.com/jonschlinkert/object.pluck "Like pluck from underscore / lo-dash, but returns an object composed of specified properties, with values unmodified from those of the original object.")
* [object.reduce](https://www.npmjs.com/package/object.reduce): Reduces an object to a value that is the accumulated result of running each property… [more](https://github.com/jonschlinkert/object.reduce) | [homepage](https://github.com/jonschlinkert/object.reduce "Reduces an object to a value that is the accumulated result of running each property in the object through a callback.")
### Contributing
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
### Building docs
_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
```sh
$ npm install -g verb verb-generate-readme && verb
```
### Running tests
Install dev dependencies:
```sh
$ npm install -d && npm test
```
### Author
**Jon Schlinkert**
* [github/jonschlinkert](https://github.com/jonschlinkert)
* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
### License
Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
Released under the [MIT license](https://github.com/jonschlinkert/object.omit/blob/master/LICENSE).
***
_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.2.0, on October 27, 2016._
|
