array-map-x
Version:
Creates an array with the results of calling a function on every element.
81 lines (68 loc) • 2.65 kB
Markdown
<a
href="https://travis-ci.org/Xotic750/array-map-x"
title="Travis status">
<img
src="https://travis-ci.org/Xotic750/array-map-x.svg?branch=master"
alt="Travis status" height="18">
</a>
<a
href="https://david-dm.org/Xotic750/array-map-x"
title="Dependency status">
<img src="https://david-dm.org/Xotic750/array-map-x/status.svg"
alt="Dependency status" height="18"/>
</a>
<a
href="https://david-dm.org/Xotic750/array-map-x?type=dev"
title="devDependency status">
<img src="https://david-dm.org/Xotic750/array-map-x/dev-status.svg"
alt="devDependency status" height="18"/>
</a>
<a
href="https://badge.fury.io/js/array-map-x"
title="npm version">
<img src="https://badge.fury.io/js/array-map-x.svg"
alt="npm version" height="18">
</a>
<a
href="https://www.jsdelivr.com/package/npm/array-map-x"
title="jsDelivr hits">
<img src="https://data.jsdelivr.com/v1/package/npm/array-map-x/badge?style=rounded"
alt="jsDelivr hits" height="18">
</a>
<a
href="https://bettercodehub.com/results/Xotic750/array-map-x"
title="bettercodehub score">
<img src="https://bettercodehub.com/edge/badge/Xotic750/array-map-x?branch=master"
alt="bettercodehub score" height="18">
</a>
<a
href="https://coveralls.io/github/Xotic750/array-map-x?branch=master"
title="Coverage Status">
<img src="https://coveralls.io/repos/github/Xotic750/array-map-x/badge.svg?branch=master"
alt="Coverage Status" height="18">
</a>
<a name="module_array-map-x"></a>
## array-map-x
Creates an array with the results of calling a function on every element.
<a name="exp_module_array-map-x--module.exports"></a>
### `module.exports` ⇒ <code>array</code> ⏏
This method creates a new array with the results of calling a provided
function on every element in the calling array.
**Kind**: Exported member
**Returns**: <code>array</code> - A new array with each element being the result of the
callback function.
**Throws**:
- <code>TypeError</code> If array is null or undefined.
- <code>TypeError</code> If callBack is not a function.
| Param | Type | Description |
| --------- | --------------------- | ----------------------------------------------- |
| array | <code>array</code> | The array to iterate over. |
| callBack | <code>function</code> | Function that produces an element of the Array. |
| [thisArg] | <code>\*</code> | Value to use as this when executing callback. |
**Example**
```js
import map from 'array-map-x';
const numbers = [1, 4, 9];
console.log(map(numbers, Math.sqrt));// [1, 2, 3]
console.log(numbers)); // [1, 4, 9]
```