commonKeys

Return the common own property names of two or more objects.

Installation

npm install @stdlib/utils-common-keys

Usage

var commonKeys = require( '@stdlib/utils-common-keys' );

commonKeys( obj1, obj2[, obj3[,...,objN]] )

Returns the common own property names of two or more objects.

var obj = {
    'a': 1,
    'b': 2,
    'c': 3
};

var obj2 = {
    'a': 1,
    'b': 2
};

var keys = commonKeys( obj, obj2 );
// returns [ 'a', 'b' ]

Examples

var commonKeys = require( '@stdlib/utils-common-keys' );

function Foo() {
    this.beep = 'boop';
    this.a = {
        'b': 'c'
    };
    return this;
}

Foo.prototype.foo = [ 'bar' ];

var obj1 = new Foo();

var obj2 = {
    'beep': 'boop',
    'foo': 'bar'
};

var keys = commonKeys( obj1, obj2 );
// returns [ 'beep' ]

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 © 2016-2024. The Stdlib Authors.