@stdlib/utils/inherited-nonenumerable-property-names/README.md

Standard utilities.

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# inheritedNonEnumerablePropertyNames

> Return an array of an object's inherited non-enumerable property names.

<section class="usage">

## Usage

<!-- eslint-disable id-length -->

```javascript
var inheritedNonEnumerablePropertyNames = require( '@stdlib/utils/inherited-nonenumerable-property-names' );
```

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

Returns an `array` of an object's inherited non-enumerable property names.

<!-- eslint-disable id-length -->

```javascript
var defineProperty = require( '@stdlib/utils/define-property' );

function Foo() {
    this.a = 'b';
    return this;
}

defineProperty( Foo.prototype, 'beep', {
    'configurable': false,
    'enumerable': false,
    'writable': false,
    'value': 'boop'
});

var f = new Foo();
var keys = inheritedNonEnumerablePropertyNames( f );
// e.g., returns [ 'beep', ... ]
```

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

<!-- eslint-disable id-length -->

```javascript
var defineProperty = require( '@stdlib/utils/define-property' );
var inherit = require( '@stdlib/utils/inherit' );

function Bar() {
    return this;
}

defineProperty( Bar.prototype, 'boop', {
    'configurable': false,
    'enumerable': false,
    'writable': false,
    'value': 'beep'
});

function Foo() {
    Bar.call( this );
    this.a = 'b';
    return this;
}

inherit( Foo, Bar );

defineProperty( Foo.prototype, 'beep', {
    'configurable': false,
    'enumerable': false,
    'writable': false,
    'value': 'boop'
});

var f = new Foo();
var keys = inheritedNonEnumerablePropertyNames( f, 1 );
// e.g., returns [ 'beep', ... ]
```

</section>

<!-- /.usage -->

<section class="notes">

## Notes

-   Name order is not guaranteed, as `object` key enumeration is not specified according to the [ECMAScript specification][ecma-262-for-in]. In practice, however, most engines use insertion order to sort an `object`'s keys, thus allowing for deterministic extraction.

</section>

<!-- /.notes -->

<section class="examples">

## Examples

<!-- eslint-disable id-length -->

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

```javascript
var defineProperty = require( '@stdlib/utils/define-property' );
var inheritedNonEnumerablePropertyNames = require( '@stdlib/utils/inherited-nonenumerable-property-names' );

function Foo() {
    this.beep = 'boop';
    this.a = {
        'b': 'c'
    };
    defineProperty( this, 'baz', {
        'configurable': false,
        'enumerable': false,
        'writable': true,
        'value': 'qux'
    });
    return this;
}

Foo.prototype.foo = [ 'bar' ];
defineProperty( Foo.prototype, 'bip', {
    'configurable': false,
    'enumerable': false,
    'writable': false,
    'value': 'bop'
});

var obj = new Foo();
var keys = inheritedNonEnumerablePropertyNames( obj );

console.log( keys );
// e.g., => [ 'bip', ... ]
```

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

[ecma-262-for-in]: https://262.ecma-international.org/5.1/#sec-12.6.4

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

[@stdlib/utils/inherited-nonenumerable-properties]: https://github.com/stdlib-js/utils/tree/main/inherited-nonenumerable-properties

[@stdlib/utils/inherited-nonenumerable-property-symbols]: https://github.com/stdlib-js/utils/tree/main/inherited-nonenumerable-property-symbols

[@stdlib/utils/keys]: https://github.com/stdlib-js/utils/tree/main/keys

[@stdlib/utils/nonenumerable-property-names]: https://github.com/stdlib-js/utils/tree/main/nonenumerable-property-names

[@stdlib/utils/nonenumerable-property-names-in]: https://github.com/stdlib-js/utils/tree/main/nonenumerable-property-names-in

[@stdlib/utils/nonenumerable-property-symbols]: https://github.com/stdlib-js/utils/tree/main/nonenumerable-property-symbols

[@stdlib/utils/property-names]: https://github.com/stdlib-js/utils/tree/main/property-names

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

</section>

<!-- /.links -->