Object Properties

Property Management Methods

// Adding or changing an object property
Object.defineProperty(object, property, descriptor)

// Adding or changing object properties
Object.defineProperties(object, descriptors)

// Accessing a Property
Object.getOwnPropertyDescriptor(object, property)

// Accessing Properties
Object.getOwnPropertyDescriptors(object)

// Returns all properties as an array
Object.getOwnPropertyNames(object)

// Accessing the prototype
Object.getPrototypeOf(object)

JavaScript Object.defineProperty()

The Object.defineProperty() method can be used to:

Add a new property to an object
Modify existing property values
Update property metadata
Define or change object getters and setters

Syntax:

Object.defineProperty(object, property, descriptor)