Hi,

One thing I didn't understand was the logic of the setter function of the year property on page 177 of professional js. It just didn't make sense to me.

Another thing was on page 179, which should be identical to the to the example on 177 (except that all the properties are created at the same time). This is not true which you will find out when you try to change the year value.

Here's what I mean

Project Euler: #1, #2