Reflect.ownKeys()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2016.

The Reflect.ownKeys() static method returns an array of the target object's own property keys.

Try it

const object1 = {
  property1: 42,
  property2: 13,
};

const array1 = [];

console.log(Reflect.ownKeys(object1));
// Expected output: Array ["property1", "property2"]

console.log(Reflect.ownKeys(array1));
// Expected output: Array ["length"]

Syntax

js

Reflect.ownKeys(target)

Parameters

target: The target object from which to get the own keys.

Return value

An