JavaScript Object.getOwnPropertyDescriptor()

Definition and Usage

Object.getOwnPropertyDescriptor() The method returns the descriptor of the object's property.

Object.getOwnPropertyDescriptor() The method does not change the original object.

Related Methods:

Object.defineProperty() Add or modify properties.

Object.defineProperties() Add or modify multiple properties.

Object.getOwnPropertyNames() Returns all property names of the object.

Object.getOwnPropertyDescriptor() Returns the descriptors of the properties.

Object.getOwnPropertyDescriptors() Returns the descriptors of all properties of the object.

Instance

// Create an object
const person = {
  firstName: "Bill",
  lastName: "Gates",
  age: 50,
  eyeColor: "blue"
};
// Get the property descriptor
let descriptor = Object.getOwnPropertyDescriptor(person, "firstName");

Try It Yourself

Syntax

Object.getOwnPropertyDescriptor(object, property)

Parameter

Parameter Description
object Required. The target object.
property Required. To get the property name of the descriptor.

Return Value

Type Description
Object The descriptor object of the property.

Browser Support

Object.getOwnPropertyDescriptor() It is a feature of ECMAScript5 (ES5).

Since July 2013, all modern browsers have fully supported ES5 (JavaScript 2009):

Chrome Edge Firefox Safari Opera
Chrome 23 IE/Edge 11 Firefox 21 Safari 6 Opera 15
September 2012 September 2012 April 2013 July 2012 July 2013