> For the complete documentation index, see [llms.txt](https://bryan-guner.gitbook.io/my-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bryan-guner.gitbook.io/my-docs/redux/repos/examples/real-world/node_modules/object-copy/node_modules/define-property.md).

# define-property

> Define a non-enumerable property on an object.

## Install

Install with [npm](https://www.npmjs.com/)

```
$ npm i define-property --save
```

## Usage

**Params**

* `obj`: The object on which to define the property.
* `prop`: The name of the property to be defined or modified.
* `descriptor`: The descriptor for the property being defined or modified.

```js
var define = require('define-property');
var obj = {};
define(obj, 'foo', function(val) {
  return val.toUpperCase();
});

console.log(obj);
//=> {}

console.log(obj.foo('bar'));
//=> 'BAR'
```

**get/set**

```js
define(obj, 'foo', {
  get: function() {},
  set: function() {}
});
```

## Related projects

* [delegate-object](https://www.npmjs.com/package/delegate-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/delegate-object) | [homepage](https://github.com/doowb/delegate-object)
* [forward-object](https://www.npmjs.com/package/forward-object): Copy properties from an object to another object, where properties with function values will be… [more](https://www.npmjs.com/package/forward-object) | [homepage](https://github.com/doowb/forward-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. | [homepage](https://github.com/jonschlinkert/mixin-deep)
* [mixin-object](https://www.npmjs.com/package/mixin-object): Mixin the own and inherited properties of other objects onto the first object. Pass an… [more](https://www.npmjs.com/package/mixin-object) | [homepage](https://github.com/jonschlinkert/mixin-object)

## Running tests

Install dev dependencies:

```
$ npm i -d && npm test
```

## Contributing

Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/define-property/issues/new).

## Author

**Jon Schlinkert**

* [github/jonschlinkert](https://github.com/jonschlinkert)
* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)

## License

Copyright © 2015 Jon Schlinkert Released under the MIT license.

***

*This file was generated by* [*verb-cli*](https://github.com/assemble/verb-cli) *on August 31, 2015.*