The questionnaire contains only text fields. The web page uses a bit of JavaScript code to ensure that all the fields in the form are indeed filled in by the user. Written for the purposes of assign5, cs110, spring 98. JavaScript code was added to verify that one of these buttons is indeed checked by the user. If more than one person worked on the same file, you can just give both names in the comment.
Comments spread along the file are usually shorter, one line or a few lines long.
Most often their purpose is to explain parts of the code that are not completely straightforward, such as JavaScript or form elements. Dog Tags Artists sign their work, and most of you will want to as well. Therefore, you may want to put, in a small font, your names and maybe the date, at the bottom of the page. The pages in the CS110 site, including this one, all have dog tags. It is not required, but you should consider it.