the first example, the "fullname" and "this" both point to the same unit, change either one change the other one.
the second example, when "bob" point to "Alice", "this" till point to "Bob".
thank you
Sign in to make a reply
用户6617885566
the first example, the "fullname" and "this" both point to the same unit, change either one change the other one.
the second example, when "bob" point to "Alice", "this" till point to "Bob".