propertiesIn
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
-
@stdlib/utils/define-properties
: define (and/or modify) object properties. -
@stdlib/utils/inherited-properties
: return an array of an object's inherited property names and symbols. -
@stdlib/utils/properties
: return an array of an object's own enumerable and non-enumerable property names and symbols. -
@stdlib/utils/property-names-in
: return an array of an object's own and inherited enumerable and non-enumerable property names. -
@stdlib/utils/property-symbols-in
: return an array of an object's own and inherited symbol properties.
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.
Community
License
See LICENSE.
Copyright
Copyright © 2016-2022. The Stdlib Authors.