Simple, done, use it. End of blog post :)
If it’s not possible to use dot notation (which you always should where you can), you can delete your property like this:
What about deleting variables and functions?
It’s not possible to delete functions declared in this way either.
The DontDelete attribute
There are also some attributes that can be set on properties to prevent their deletion misuse. DontDelete is an example of these, which is present in the length property:
Happy strict deleting.