We've tested this program, so we know it works. But if you are not using the very latest JavaScript browser for your operating system, you may run into problems. JavaScript is a programming language that is very much under development, and many released versions have bugs.
We suggest that you use the very latest version available for your operating system. (Click here for more information.)
Now, continue to the Area Code Program...
Or return to the Official Netscape JavaScript Book main page.