prop-keys

Returns an array of the keys of all properties (owned and inherited) of an object.

Installation

Requires Node.js 6.0.0 or above.

npm i prop-keys

API

The module exports a single function.

Parameters

1. Bindable: obj (object): The object whose property keys you want to get.
2. Object argument:
   • Optional: own (boolean): If set to true, only the object’s “own” property keys are returned. If omitted or if set to false, both owned and inherited property keys are returned.
   • Optional: enumOnly (boolean): If set to true, only the keys of properties defined with the enumerable flag will be returned.

Return Value

An array of the keys of object properties.

Example

const keys = require('prop-keys')
 
keys({key: 'value'}, {own: true}) // ['key']

Related

• prop-entries: Same as this module, except it returns key-value pairs.
• prop-values: Same as this module, except it returns values.
• keys-array: Supports more than just Objects.