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Ajax For Dummies® by Steve Holzner

By Steve Holzner

Ajax is brief for “Asynchronous JavaScript+CSS+DOM+XMLHttpRequest.”

Even should you weren’t intimidated sooner than, that tidbit is perhaps sufficient to make you succeed in for the Excedrin. simply succeed in for Ajax For Dummies as an alternative. With monitor pictures, genuine code and factors, and dwell websites the place you will see that Ajax purposes doing their factor, it's going to have you ever utilizing Ajax to create internet purposes that glance an act like machine purposes very quickly. With Ajax, you could accelerate and freshen up your net functions. consumers at your on-line shop can fill their carts with out expecting a number of web page refreshes. Searchers in your websites can get quick effects at the related page.

This consultant takes you on a travel of the way Ajax is used at the present time, entire with examples of Ajax functions in motion, corresponding to an Ajax-enabled Yahoo! seek or an Ajax-based chat program. Then it provides fundamentals on utilizing JavaScript. After that you simply dive in and get details on:

  • Writing a few Ajax, interactive mouseovers utilizing Ajax, passing info to the server with GET or submit, and more
  • Connecting to Google for a stay search
  • Using unfastened Ajax frameworks so that you don’t need to commence from scratch, together with Ajax Gold (written in particular for this book), AJAXLib, and grabbing XML with libXmlRequest
  • All types of Ajax ideas, similar to utilizing Ajax for drag-and-drop operations, pop-up menus, downloading photographs behind the curtain, and more
  • Using SACK (simple AJAX code kit), interpreting XML with Sarissa, and growing visible results with Rico
  • Handling XML int Ajax Applications
  • Working with cascading sort sheets (CCS) in Ajax, together with establishing the kinds, showing a menu, styling textual content, dealing with colours and backgrounds, and more
  • Working with Ajax and PHP

Complete with a significant other website, loose Ajax frameworks, and pattern code you should use, Ajax for Dummies is your pleasant advisor to making really elementary net sites!

Note: CD-ROM/DVD and different supplementary fabrics should not incorporated as a part of e-book file.

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The name Ajax is short for Asynchronous JavaScript and XML, and it’s made up of several components: ߜ Browser-based presentation using HTML and Cascading Style Sheets (CSS) ߜ Data stored in XML format and fetched from the server ߜ Behind-the-scenes data fetches using XMLHttpRequest objects in the browser ߜ JavaScript to make everything happen JavaScript is the scripting language that nearly all browsers support, which will let you fetch data behind the scenes, and XML is the popular language that lets you store data in an easy format.

Getting the quotation marks right You always have to enclose the values that you assign to a property in quotation marks. Note the single quotation marks here! bgcolor=”pink”” When JavaScript comes to the second double quotation mark (at the beginning of “pink”), it thinks the inline script is done and it doesn’t know how to proceed. To avoid that, you can enclose the text you assign to a property in single quotation marks. bgcolor=’pink’; Dividing and Conquering: JavaScript Functions When you use Ajax techniques, you often want to place text in a Web page at a specific location after fetching that text from the server.

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