By Steve Holzner

ISBN-10: 0471785970

ISBN-13: 9780471785972

Ajax is brief for “Asynchronous JavaScript+CSS+DOM+XMLHttpRequest.”
Even when you weren’t intimidated prior to, that tidbit is maybe sufficient to make you achieve for the Excedrin. simply succeed in for Ajax For Dummies as an alternative. With monitor pictures, real code and reasons, and dwell sites the place you will discover Ajax functions doing their factor, it is going to have you ever utilizing Ajax to create internet purposes that glance an act like machine functions very quickly. With Ajax, you could accelerate and freshen up your internet functions. consumers at your on-line shop can fill their carts with out looking ahead to a number of web page refreshes. Searchers in your websites can get rapid effects at the comparable page.
This advisor takes you on a travel of the way Ajax is used at the present time, whole with examples of Ajax purposes in motion, comparable to an Ajax-enabled Yahoo! seek or an Ajax-based chat program. Then it provides fundamentals on utilizing JavaScript. After that you just dive in and get details on:* Writing a few Ajax, interactive mouseovers utilizing Ajax, passing facts to the server with GET or put up, and extra* Connecting to Google for a stay seek* utilizing loose 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 recommendations, reminiscent of utilizing Ajax for drag-and-drop operations, pop-up menus, downloading photos behind the curtain, and extra* utilizing SACK (simple AJAX code kit), deciphering XML with Sarissa, and growing visible results with Rico* dealing with XML int Ajax functions* operating with cascading type sheets (CCS) in Ajax, together with developing the kinds, showing a menu, styling textual content, dealing with colours and backgrounds, and extra* operating with Ajax and PHP
Complete with a better half website, unfastened Ajax frameworks, and pattern code you should use, Ajax for Dummies is your pleasant advisor to making actually simple internet sites!
Note: CD-ROM/DVD and different supplementary fabrics aren't incorporated as a part of publication dossier.

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Extra info for Ajax For Dummies

Sample text

This

has the ID “targetDiv”, and you can use that ID to reach it. You can reach this

by using the document object, which represents the Web page, in JavaScript code. The document object has a very handy method named getElementById, and if you pass the ID of the

to this method, it will pass back to you a JavaScript object corresponding to the

. That’s how it works in JavaScript — you can get a JavaScript object corresponding to a Web page or any element in the page. After you get an object corresponding to the

, you can use that object’s built-in methods and properties to work with it.

Lastmodified: Date the page was last modified. title: Title of the current page. hostname: Name of the Internet service provider (ISP) host. appName: Name of the browser, which you can use to determine what browser the visitor is using. You now have the tools to write that welcome message. You use the document. write method and embed your JavaScript in HTML. write(“You’re using JavaScript”);

A First Script

In this case, you are passing the text You’re using JavaScript to the document object’s write method.

In Chapter 3, I explain how all these components work together in more detail. This also points out what you’ll need to develop Web pages with Ajax. You’ll add JavaScript code to your Web page to fetch data from the server (I cover JavaScript in Chapter 2), and you’ll need to store data and possibly write server-side code to interact with the browser behind the scenes. In other words, you’re going to need access to an online server where you can store the data that you will fetch using Ajax. Besides just storing data on the server, you might want to put code on the server that your JavaScript can interact with.

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Ajax For Dummies by Steve Holzner


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