## 301 and 302 difference?
## - Object [ 'xx'] value, which method triggers - Object [ 'xx'] = 10 set value, which would trigger method?
## with the trigger which method?
## 301 and 302 difference?
## - Object [ 'xx'] value, which method triggers - Object [ 'xx'] = 10 set value, which would trigger method?
## with the trigger which method?