@stdlib/utils-common-keys-in NPM

commonKeysIn

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

Installation

npm install @stdlib/utils-common-keys-in

Usage

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

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

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

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

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

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

Examples

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

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 = commonKeysIn( obj1, obj2 );
// returns [ 'beep', 'foo' ]

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.