npm package: @stdlib/utils-inherited-property-symbols
Description: Return an array of an object's inherited symbol properties.
Author: The Stdlib Authors
Latest version: 0.2.3

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

# inheritedPropertySymbols

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

> Return an array of an object's inherited [symbol][@stdlib/symbol/ctor] properties.

<section class="installation">

## Installation

```bash
npm install @stdlib/utils-inherited-property-symbols
```

</section>

<section class="usage">

## Usage

```javascript
var inheritedPropertySymbols = require( '@stdlib/utils-inherited-property-symbols' );
```

#### inheritedPropertySymbols( obj\[, level] )

Returns an `array` of an object's inherited [symbol][@stdlib/symbol/ctor] properties.

```javascript
var symbols = inheritedPropertySymbols( [ 1, 2, 3 ] );
```

By default, the function walks an object's entire prototype chain. To limit the inheritance level, provide a `level` argument.

```javascript
var symbols = inheritedPropertySymbols( [ 1, 2, 3 ], 1 );
```

</section>

<!-- /.usage -->

<section class="notes">

</section>

<!-- /.notes -->

<section class="examples">

## Examples

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

```javascript
var hasSymbolSupport = require( '@stdlib/assert-has-symbol-support' );
var Symbol = require( '@stdlib/symbol-ctor' );
var inheritedPropertySymbols = require( '@stdlib/utils-inherited-property-symbols' );

var hasSymbols = hasSymbolSupport();

function Foo() {
    if ( hasSymbols ) {
        this[ Symbol( 'a' ) ] = 'b';
    }
    return this;
}

if ( hasSymbols ) {
    Foo.prototype[ Symbol( 'c' ) ] = 'd';
}

var obj = new Foo();
var symbols = inheritedPropertySymbols( obj );
// e.g., returns [ Symbol(c) ]
```

</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/utils-inherited-keys`][@stdlib/utils/inherited-keys]</span><span class="delimiter">: </span><span class="description">return an array of an object's inherited enumerable property names.</span>
-   <span class="package-name">[`@stdlib/utils-inherited-property-descriptors`][@stdlib/utils/inherited-property-descriptors]</span><span class="delimiter">: </span><span class="description">return an object's inherited property descriptors.</span>
-   <span class="package-name">[`@stdlib/utils-inherited-property-names`][@stdlib/utils/inherited-property-names]</span><span class="delimiter">: </span><span class="description">return an array of an object's inherited enumerable and non-enumerable property names.</span>
-   <span class="package-name">[`@stdlib/utils-property-symbols`][@stdlib/utils/property-symbols]</span><span class="delimiter">: </span><span class="description">return an array of an object's own symbol properties.</span>
-   <span class="package-name">[`@stdlib/utils-property-symbols-in`][@stdlib/utils/property-symbols-in]</span><span class="delimiter">: </span><span class="description">return an array of an object's own and inherited symbol properties.</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-url]: https://npmjs.org/package/@stdlib/utils-inherited-property-symbols

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

[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/utils-inherited-property-symbols/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/utils-inherited-property-symbols?branch=main

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

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[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/utils-inherited-property-symbols/tree/deno
[deno-readme]: https://github.com/stdlib-js/utils-inherited-property-symbols/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/utils-inherited-property-symbols/tree/umd
[umd-readme]: https://github.com/stdlib-js/utils-inherited-property-symbols/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/utils-inherited-property-symbols/tree/esm
[esm-readme]: https://github.com/stdlib-js/utils-inherited-property-symbols/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/utils-inherited-property-symbols/blob/main/branches.md

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/utils-inherited-property-symbols/main/LICENSE

[@stdlib/symbol/ctor]: https://www.npmjs.com/package/@stdlib/symbol-ctor

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

[@stdlib/utils/inherited-keys]: https://www.npmjs.com/package/@stdlib/utils-inherited-keys

[@stdlib/utils/inherited-property-descriptors]: https://www.npmjs.com/package/@stdlib/utils-inherited-property-descriptors

[@stdlib/utils/inherited-property-names]: https://www.npmjs.com/package/@stdlib/utils-inherited-property-names

[@stdlib/utils/property-symbols]: https://www.npmjs.com/package/@stdlib/utils-property-symbols

[@stdlib/utils/property-symbols-in]: https://www.npmjs.com/package/@stdlib/utils-property-symbols-in

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</section>

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