node-array-from 2.1.1-1 / usr / lib / nodejs / array-from / Readme.md

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array-from
==========

**A ponyfill for the ES 2015 [`Array.from()`][].**

*** Ponyfill**: A polyfill that doesn't overwrite the native method.  
*** ES 2015**: The new name for ES6 that [nobody expected][].

Modeled after the final ES 2015 spec. Credits for the implementation go to the amazing folks of the MDN and the amazing guy [@barberboy](https://github.com/barberboy).

 

[`Array.from()`]:         https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/from                  "Array.from()"
[nobody expected]:        http://webreflection.blogspot.de/2015/01/javascript-and-living-ecmascript.html                               "JavaScript and the living ECMAScript Standard"



Installation
------------

```sh
$ npm install array-from
```




Usage
-----

Recommended:

```js
var arrayFrom = require('array-from');
  // You’ll get the native `Array.from` if it’s available.

function () {console.log(
  arrayFrom(arguments).map(require('1-liners/increment'))
);}(1, 2, 3);
//» [2, 3, 4]
```

You can also use it as a classical polyfill. It’s [not recommended][], but sometimes practical:

```js
if (!Array.from) Array.from = require('array-from');
  // This will affect all loaded modules.

function () {console.log(
  Array.from(arguments).map(require('1-liners/increment'))
);}(1, 2, 3);
//» [2, 3, 4]
```

[not recommended]:  https://github.com/sindresorhus/object-assign/issues/10#issuecomment-65065859  "Optionally shim native method?"




Support note
------------

We support the _current_ and _active LTS_ release of Node.js. More info in [nodejs/LTS](https://github.com/nodejs/LTS#lts_schedule).




License
-------

[MIT][] © [Studio B12 GmbH][]

[MIT]: ./License.md
[Studio B12 GmbH]: https://github.com/studio-b12

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