Whats the difference between the 3rd and 4th editions?
The 3rd edition was 304 pages, and the 4th edition is 430 pages, so there’s more than 100 pages of entirely new material. New chapters include Chapter 7, Forms and Regular Expressions; Chapter 13, User Interface Design with JavaScript; Chapter 14, Applied JavaScript; and Chapter 15, Bookmarklets. Many scripts throughout the book were heavily revised to work with the current browsers and current Web standards, and to improve the explanation of issues compared to the 3rd edition. We also incorporated many of the excellent suggestions we got from the readers of the 3rd edition, to whom we are indebted. We’re especially happy with one big change; in the reference section in the back of the book; the Object Flowchart and the Object Table are now printed in glorious color, making it lots easier to see which objects work in which browsers.
