Search:

i learn the evaluate left-hand operand first rule, thank you

Thank you for the suggestion and appreciate for the help. i did try to avoid the increment i in the loop and it works fine.
if something like non-define element and try to print it out, it may shows...

Hi All,
I have a newbie question which makes me struggle couple hours and search online for nothing. will you please kindly help me on this? i have no one to ask since i am study by my own....