convert binary to decimal !!

[AoiSora]

Hi !! i have a script that ask for user to input the binary number (1 or 0) and then convert to decimal. but i have no idea how to make that script out !! can anyone give me
some concepts about this? :(

[Jeff Mott]

e.g.,var five = parseInt("101", 2)http://devedge.netscape.com/library/manuals/2000/javascript/1.5/reference/toplev.html#1064173

Edit: Sorry. Didn't notice which forum I was in :o This probably isn't in the language you wanted.