calculate the pixel of string

Hi everyone, need help..

1.
How can I using Javascript to determine the pixel of string for example: character "A" consist of how many pixel...


2.
Can I control the multiline by using textarea in html

Give example as well.

Thx

Do reply ASAP
Mac

[Benjamin]

Can I control the multiline by using textarea in html

I don't understand what you mean by that, could you explain more?