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# object-assign [![Build Status](https://travis-ci.org/sindresorhus/object-assign.svg?branch=master)](https://travis-ci.org/sindresorhus/object-assign)
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> ES6 [`Object.assign()`](http://www.2ality.com/2014/01/object-assign.html) ponyfill
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> Ponyfill: A polyfill that doesn't overwrite the native method
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## Install
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```sh
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$ npm install --save object-assign
```
## Usage
```js
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var objectAssign = require('object-assign');
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objectAssign({foo: 0}, {bar: 1});
//=> {foo: 0, bar: 1}
// multiple sources
objectAssign({foo: 0}, {bar: 1}, {baz: 2});
//=> {foo: 0, bar: 1, baz: 2}
// overwrites equal keys
objectAssign({foo: 0}, {foo: 1}, {foo: 2});
//=> {foo: 2}
// ignores null and undefined sources
objectAssign({foo: 0}, null, {bar: 1}, undefined);
//=> {foo: 0, bar: 1}
```
## API
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### objectAssign(target, source, [source, ...])
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Assigns enumerable own properties of `source` objects to the `target` object and returns the `target` object. Additional `source` objects will overwrite previous ones.
## Resources
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- [ES6 spec - Object.assign ](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.assign )
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## License
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MIT © [Sindre Sorhus ](http://sindresorhus.com )