I'm still not sure if I get it. Context binding with functions. I use it in my program, But I don't feel the power of it. What does closure bring to programming? What could not be done or harder to do without closure?
How to write OO style program with Prototype based inheritence.
These are the hard problems from a perspective of a java programmer. Does your book covers these topics in an easy to understanding way? I do read lots of articles on these topics. But I don't think I totally get them.
As I said, there are some changes being made to the ToC from what was proposed all those years ago, and looks like there will be no Ajax chapter in the final book. It turned out that Ajax is the kind of subject that can't be contained to a single chapter -- that's just not enough room to be able to cover the topic in a way that is useful or does it justice.