@stdlib/utils-properties-in

Return an array of an object's own and inherited property names and symbols.

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README

propertiesIn

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Return an array of an object's own and inherited property names and symbols.

Installation

npm install @stdlib/utils-properties-in

Usage

var propertiesIn = require( '@stdlib/utils-properties-in' );

propertiesIn( obj )

Returns an array of an object's own and inherited property names and symbols.

var props = propertiesIn( [] );
// returns [...]

Examples

var hasSymbolSupport = require( '@stdlib/assert-has-symbol-support' );
var Symbol = require( '@stdlib/symbol-ctor' );
var propertiesIn = require( '@stdlib/utils-properties-in' );

var hasSymbols;
var props;
var obj;

hasSymbols = hasSymbolSupport();

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

Foo.prototype.foo = 'bar';
if ( hasSymbols ) {
    Foo.prototype[ Symbol( 'foo' ) ] = 'bar';
}

obj = new Foo();
props = propertiesIn( obj );

console.log( props );
// e.g., => [ 'a', 'foo', ... ]

See Also

Notice

This package is part of 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, see the main project repository.

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License

See LICENSE.

Copyright

Copyright © 2016-2022. The Stdlib Authors.