多选题Given that a scoped attribute cart exists only in a user’s session, which two, taken independently, ensure the scoped attribute cart no longer exists?()A ${cart = null} B<c:remove var=cart />C<c:remove var=${cart} />D<c:remove var=cart scope=session />
题目
多选题
Given that a scoped attribute cart exists only in a user’s session, which two, taken independently, ensure the scoped attribute cart no longer exists?()