npm package: @stdlib/buffer-ctor
Description: Buffer.
Author: The Stdlib Authors
Latest version: 0.2.3

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<details>
  <summary>
    About stdlib...
  </summary>
  <p>We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.</p>
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</details>

# Buffer

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

> [Buffer][node-buffer] constructor.

<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->

<section class="intro">

</section>

<!-- /.intro -->

<!-- Package usage documentation. -->

<section class="installation">

## Installation

```bash
npm install @stdlib/buffer-ctor
```

</section>

<section class="usage">

## Usage

```javascript
var Buffer = require( '@stdlib/buffer-ctor' );
```

#### Buffer( size )

Allocates a [`Buffer`][node-buffer] having a specified number of bytes.

<!-- eslint-disable stdlib/require-globals, no-buffer-constructor -->

```javascript
var b = new Buffer( 10 );
// returns <Buffer>
```

#### Buffer( array )

Allocates a [`Buffer`][node-buffer] from an array of octets.

<!-- eslint-disable stdlib/require-globals, no-buffer-constructor -->

```javascript
var b = new Buffer( [ 1, 2, 3, 4 ] );
// returns <Buffer>[ 1, 2, 3, 4 ]
```

#### Buffer( buffer )

Copies [buffer][node-buffer] data to a new [`Buffer`][node-buffer] instance.

<!-- eslint-disable stdlib/require-globals, no-buffer-constructor -->

```javascript
var b1 = new Buffer( [ 1, 2, 3, 4 ] );
var b2 = new Buffer( b1 );
// returns <Buffer>[ 1, 2, 3, 4 ]
```

#### Buffer( str\[, encoding] )

Returns a [`Buffer`][node-buffer] containing a provided `string`.

<!-- eslint-disable stdlib/require-globals, no-buffer-constructor -->

```javascript
var b = new Buffer( 'beep boop' );
// returns <Buffer>
```

* * *

### Properties

TODO: add properties

* * *

### Methods

TODO: add methods

</section>

<!-- /.usage -->

* * *

<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->

<section class="notes">

</section>

<!-- /.notes -->

<!-- Package usage examples. -->

<section class="examples">

## Examples

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

```javascript
var ctor = require( '@stdlib/buffer-ctor' );

var b;
var i;

// Allocate uninitialized memory:
if ( typeof ctor.alloc === 'function' ) {
    b = ctor.alloc( 10 );
} else {
    b = new ctor( 10 );
}

// Zero fill the buffer...
for ( i = 0; i < b.length; i++ ) {
    b[ i ] = 0;
}
console.log( b );
```

</section>

<!-- /.examples -->

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<section class="references">

</section>

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<section class="related">

* * *

## See Also

-   <span class="package-name">[`@stdlib/array-buffer`][@stdlib/array/buffer]</span><span class="delimiter">: </span><span class="description">ArrayBuffer.</span>

</section>

<!-- /.related -->

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

[test-image]: https://github.com/stdlib-js/buffer-ctor/actions/workflows/test.yml/badge.svg?branch=v0.2.3
[test-url]: https://github.com/stdlib-js/buffer-ctor/actions/workflows/test.yml?query=branch:v0.2.3

[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/buffer-ctor/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/buffer-ctor?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/buffer-ctor/tree/deno
[deno-readme]: https://github.com/stdlib-js/buffer-ctor/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/buffer-ctor/tree/umd
[umd-readme]: https://github.com/stdlib-js/buffer-ctor/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/buffer-ctor/tree/esm
[esm-readme]: https://github.com/stdlib-js/buffer-ctor/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/buffer-ctor/blob/main/branches.md

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/buffer-ctor/main/LICENSE

[node-buffer]: https://nodejs.org/api/buffer.html

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

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

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</section>

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