Adding Ajax by Shelley Powers

By Shelley Powers

Including Ajax is perfect for the intermediate to complicated net builders between you who're anxious and stressed approximately Ajax, pondering that it'll strength you to begin over along with your craft. This fresh consultant will calm these fears via supplying a completely new method of the subject. instead of introduce Ajax as a totally new means of doing issues, this e-book exhibits you the way to combine Ajax with current websites, and does so by way of construction to Ajax instead of development from an Ajax starting place. through studying this ebook, you'll learn the way Ajax helps you to create "rich" internet functions, yet extra importantly, you will see how the practices you keep on with feed correct into Ajax - and that, in general, you already paintings with the applied sciences concerned. including bits and items frequently makes even more experience than tearing down and rebuilding, and you may learn how to combine Ajax together with your traditional strategy. on the finish of including Ajax, there is mirrored image on no matter if beginning over could be a enjoyable thought, yet via then you definitely might be even more pleased with it.

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Extra resources for Adding Ajax

Sample text

The Web Application | 33 Example 2-3.

"; break; case "LEMON" : $result = "

Lemon Drop

Mix 1 ounce lemon vodka
" . "with 1 ounce lemon juice and 1 teaspoon sugar. Shake with ice, " . > Again, simple and functional. Figure 2-1 shows the application after processing a Drink request. It’s guaranteed to work in pretty much any browser or environment— a property of the application we don’t want to lose when we add Ajax functionality. Figure 2-1. A basic application response, showing that our PHP script behaves as expected 34 | Chapter 2: The Ajax Bits One restriction with the use of the application is that the form elements have to use the same names.

Com/eric/ thoughts/2004/09/15/emreallyem-undoing-htmlcss. After validating and cleaning up existing sites and applications, the next step in the process of adding Ajax is defining a plan for the type of changes you want to make to your site, including which frameworks to use and which target browsers and other user agents you need to support. To do all of this, you need to have a good understanding of your client base: your web page readers and your web application users. Understanding Your Client Base The amount of Ajax functionality that you introduce to your site depends on more than just how much you’re willing to add and maintain.

The file name for this page is given in the action attribute for the form. php" id="myform" method="get">

The page that processes the form results is formatted to appear the same as the original client page, thus maintaining continuity between the two.

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