To get the property descriptor of a property, you can use the static method
The object returned by
Object.getOwnPropertyDescriptor is the property descriptor, and the property descriptor contains the following properties to describe the object properties associated with it.
value: the current value of the property
writable: indicates whether the assignment of a value to a property is allowed
enumerable: indicates whether the property is enumerable.
truemeans that the property is enumerable, then the property will appear in
for ofloops or in
configurable: indicates whether the property is configurable,
truemeans that the user has permission to change the value in the property descriptor of the property, such as the values of
falsemeans that it is not configurable and has no permission.
You can define a new property for an object or update the descriptor of an existing property by using Object.defineProperty.