دانلود کتاب Essential JavaScript for Web Professionals

* Build better Web sites with JavaScript-right now!* Fully updated for the latest JavaScript standards and browser support* Learn from real-world examples and two live practice Web sites* Browser detection, dynamic content, CSS, rollovers, logins, navigation, debugging, and more!By award-winning Web developer Dan Barrett, whose clients have included Hewlett-Packard, Electronic Arts, and Pacific Bell.Don't waste your time or money on a gigantic JavaScript book! Learn the techniques you'll really use-right now, hands on, by example, from one of the world's top Web developers. You'll master JavaScript by building actual practice sites that sell products, educate visitors, offer subscriptions, display ads-even enforce security. Best of all, the finished sites are on the Web-so you can reuse the code, and see exactly how your pages should look and work Fully updated for the latest standards and browsers, Essential JavaScript for Web Professionals, Second Edition is simply the fastest way to gain the JavaScript skills you need most.You'll master all this and much more:* Detecting browsers and platforms* Creating dynamic content* Making the most of CSS and layers* Enforcing logins* Creating rollovers* Enhancing your site's navigation* Adding error handling to your forms* Generating and managing windows and frames* Debugging your JavaScript code* Writing code that's easy to maintain