This is your final exam. If you got this working, take yourself out to dinner. If you gave it a good shot, take yourself out to dinner. Heck, if you've read to this point in the book, take yourself out to dinner.
The assignment was to add these critical features to the To Do list application described in the chapter:
Allow new users to join the service
Allow a user to permit another user to access his or her To Do list
<h2>Login Section</h2> <div id = "loginArea"> <a href = "#" onClick = "displayLogin(); return false;">login</a> or <a href = "#" onClick ...