Presenting more than 250 tasks for using JavaScript to enhance Web pages and add interactivity Each task requires no more than ten steps and is presented on a two-page spread, making it easy to read and finish a task while working at the computer Readers can accomplish more than with any other step-by-step book on the market Enables readers to quickly begin adding menu trees and pop-up windows, validating user input on forms, and contributing many other interactive elements to their Web sites