7. Jumping into Ajax
Ajax is a tool for creating rich, interactive Web applications—and with jQuery, you can easily implement it in your Web pages.
With Ajax, you can communicate with the server behind the scenes, with no page refresh—a cool feature because it makes Web-based applications seem just like desktop applications. That is, instead of the flash and flicker of pages being refreshed in your browser when the browser wants to get new data from the server, the browser quietly connects to the server and downloads the data it needs without a page refresh. And thanks to dynamic HTML, the browser can update page elements with the newly downloaded data also without a page refresh.
About Ajax
Thanks to Ajax, flickering pages in browsers are ...
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