npm package: @stdlib/array-take
Description: Take elements from an array.
Author: The Stdlib Authors
Latest version: 0.1.3

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<details>
  <summary>
    About stdlib...
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</details>

# take

[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] <!-- [![dependencies][dependencies-image]][dependencies-url] -->

> Take elements from an array.

<section class="installation">

## Installation

```bash
npm install @stdlib/array-take
```

</section>

<section class="usage">

## Usage

```javascript
var take = require( '@stdlib/array-take' );
```

#### take( x, indices\[, options] )

Takes elements from an array.

```javascript
var x = [ 1, 2, 3, 4 ];

var y = take( x, [ 1, 3 ] );
// returns [ 2, 4 ]
```

The function supports the following parameters:

-   **x**: input array.
-   **indices**: list of indices.
-   **options**: function options.

The function supports the following options:

-   **mode**: index [mode][@stdlib/ndarray/base/ind]. Default: `'normalize'`.

By default, the function normalizes negative integer indices to positive integer index equivalents.

```javascript
var x = [ 1, 2, 3, 4 ];

var y = take( x, [ -3, -1 ] );
// returns [ 2, 4 ]
```

To specify an alternative index [mode][@stdlib/ndarray/base/ind], provide a `mode` option.

```javascript
var x = [ 1, 2, 3, 4 ];

var y = take( x, [ -10, 10 ], {
    'mode': 'clamp'
});
// returns [ 1, 4 ]
```

</section>

<!-- /.usage -->

<section class="notes">

## Notes

-   If `indices` is an empty array, the function returns an empty array.

    ```javascript
    var x = [ 1, 2, 3, 4 ];

    var y = take( x, [] );
    // returns []
    ```

-   If provided an input array having a recognized [data type][@stdlib/array/dtypes], the function returns an array having the same [data type][@stdlib/array/dtypes] as the input array. Otherwise, the function **always** returns a "generic" array.

</section>

<!-- /.notes -->

<section class="examples">

## Examples

<!-- eslint no-undef: "error" -->

```javascript
var discreteUniform = require( '@stdlib/random-array-discrete-uniform' );
var linspace = require( '@stdlib/array-linspace' );
var take = require( '@stdlib/array-take' );

// Generate a linearly spaced array:
var x = linspace( 0, 100, 11 );
console.log( x );

// Generate an array of random indices:
var indices = discreteUniform( 10, 0, x.length-1 );
console.log( indices );

// Take a random sample of elements from `x`:
var y = take( x, indices );
console.log( y );
```

</section>

<!-- /.examples -->

<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->

<section class="related">

* * *

## See Also

-   <span class="package-name">[`@stdlib/array-put`][@stdlib/array/put]</span><span class="delimiter">: </span><span class="description">replace specified elements of an array with provided values.</span>
-   <span class="package-name">[`@stdlib/array-slice`][@stdlib/array/slice]</span><span class="delimiter">: </span><span class="description">return a shallow copy of a portion of an array.</span>

</section>

<!-- /.related -->

<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->


<section class="main-repo" >

* * *

## Notice

This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].

#### Community

[![Chat][chat-image]][chat-url]

---

## License

See [LICENSE][stdlib-license].


## Copyright

Copyright &copy; 2016-2026. The Stdlib [Authors][stdlib-authors].

</section>

<!-- /.stdlib -->

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<section class="links">

[npm-image]: http://img.shields.io/npm/v/@stdlib/array-take.svg
[npm-url]: https://npmjs.org/package/@stdlib/array-take

[test-image]: https://github.com/stdlib-js/array-take/actions/workflows/test.yml/badge.svg?branch=v0.1.3
[test-url]: https://github.com/stdlib-js/array-take/actions/workflows/test.yml?query=branch:v0.1.3

[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/array-take/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/array-take?branch=main

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[stdlib]: https://github.com/stdlib-js/stdlib

[stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors

[umd]: https://github.com/umdjs/umd
[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules

[deno-url]: https://github.com/stdlib-js/array-take/tree/deno
[deno-readme]: https://github.com/stdlib-js/array-take/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/array-take/tree/umd
[umd-readme]: https://github.com/stdlib-js/array-take/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/array-take/tree/esm
[esm-readme]: https://github.com/stdlib-js/array-take/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/array-take/blob/main/branches.md

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/array-take/main/LICENSE

[@stdlib/ndarray/base/ind]: https://www.npmjs.com/package/@stdlib/ndarray-base-ind

[@stdlib/array/dtypes]: https://www.npmjs.com/package/@stdlib/array-dtypes

<!-- <related-links> -->

[@stdlib/array/put]: https://www.npmjs.com/package/@stdlib/array-put

[@stdlib/array/slice]: https://www.npmjs.com/package/@stdlib/array-slice

<!-- </related-links> -->

</section>

<!-- /.links -->