How do you free a wrapped C++ object when associated Javascript object is garbage collected in V8?

Question

V8\'s documentation explains how to create a Javascript object that wraps a C++ object. The Javascript object holds on to a pointer to a C++ object instance. My question is, let

Answer 1

Do all your work in some closed scope (of object or function). Then you can safely remove the C++ object when you went out of scope. GC doesn't check pointers for existence of pointed objects.