Download Ajax: Creating Web Pages with Asynchronous JavaScript by Edmond Woychowsky PDF

By Edmond Woychowsky

The effortless, Example-Based consultant to Ajax for Every net Developer

 

Using Ajax, you could construct internet purposes with the sophistication and value of conventional desktop

applications and you may do it utilizing criteria and open resource software program. Now, for the 1st time,

there's a simple, example-driven consultant to Ajax for each internet and open resource developer, regardless of

experience.

 

Edmond Woychowsky starts off with uncomplicated concepts concerning in simple terms HTML and simple JavaScript. Then,

one step at a time, he introduces recommendations for construction more and more wealthy purposes. don't be concerned if

you're no longer knowledgeable on Ajax's underlying applied sciences; Woychowsky deals refreshers on them, from

JavaScript to the XMLHttpRequest item. you will additionally locate a number of open resource applied sciences and open

standards all through, starting from Firefox to Ruby and MySQL.

 

You'll not just tips on how to write "functional" code, but additionally grasp layout styles for writing rocksolid,

high-performance Ajax purposes. you will additionally use frameworks comparable to Ruby on

Rails to get the task performed fast.

 

  • Learn how Ajax works, the way it advanced, and what it really is solid for
  • Understand the movement of processing in Ajax applications
  • Build Ajax purposes with XML and the XMLHttpRequest object
  • Integrate back-end code, from personal home page to C#
  • Use XSLT and XPath, together with XPath Axis
  • Develop client-side Ajax libraries to aid code reuse
  • Streamline improvement with Ruby on Rails and the Ruby programming language
  • Use the cross-browser HTML DOM to replace elements of a page
  • Discover the easiest Ajax internet assets, together with Ajax-capable JavaScript libraries

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Extra resources for Ajax: Creating Web Pages with Asynchronous JavaScript

Sample text

And like HTML tags, start tags begin with < while end tags begin with ; if the forward slash was omitted, the document would not be a well-formed XML document. In addition, to all elements being either closed or self-closing, the tags must always match up in order. This means that the XML document in Listing 2-5 is well formed but the XML document in Listing 2-6 is not well formed.

Variations on a Theme At first glance, the JavaScript in the previous example appears to be very similar to that shown in Listing 2-7; however, nothing could be further from the truth. The first of these differences is due to two calls being made to a web service and the use of XSLT to generate the HTML to be displayed in the browser. Let's look at this in a little more detail. First, the only thing that the initialize function does is call another function, doPOST, passing a TRue. org/getXML to get XML/XSLT from the web service.

Unfortunately, although the hand-crafted approach works for furniture and monsters, it relies heavily on the skill level of Igoreh, the developer. In future chapters, it is my intention to elaborate on the various techniques that were briefly touched upon in this chapter. Also, even though Ajax is currently considered a technique that takes longer to develop than the "traditional" methods of web development, I'll show some ideas on how to reduce this time. After all, what self-respecting mad scientist cobbles together each and every monster by hand?

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