updated and expanded guide takes you step-by-step through JavaScript basics, then shows you how to save time and effort with jQuery—the library of prewritten JavaScript code—and the newest innovations from the jQuery UI plug-in.The important stuff you need to know:Make your pages come alive. Use jQuery to create interactive elements that respond to visitor input.Get acquainted with jQuery UI. Expand your interface with tabbed panels, dialog boxes, date pickers, and other widgets.Display good forms. Get information from visitors, help shoppers buy goods, and let members post their thoughts.Go beyond the browser with Ajax. Communicate with the web server to update your pages without reloading.Put your new skills right to work. Create a simple application step-by-step, using jQuery and jQuery UI widgets.Dive into advanced concepts. Use ThemeRoller to customize your widgets; avoid common errors that new programmers often make.

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