Gets a property descriptor for an object's own property.

STDAPI_(JsErrorCode)
    JsGetOwnPropertyDescriptor(
    _In_ JsValueRef object,
    _In_ JsPropertyIdRef propertyId,
    _Out_ JsValueRef *propertyDescriptor);

• object: The object that has the property.
• propertyId: The ID of the property.
• propertyDescriptor: The property descriptor.

The code JsNoError if the operation succeeded, a failure code otherwise.

Requires an active script context.