November 1, 2006
Sebastopol, CA--Revered by some for its capabilities and disdained by
limelight since its introduction in 1995. The recent flurry of enthusiasm
into prominence once more: "The big word in web development now is Ajax,"
$29.99). "No matter what server-side language the developer is using or
what they're building, at some point they're going to have to get their
reputation for being an 'ugly' or less than useful language, and, as a
consequence, Ajax developers have created libraries to make the language
look more like Ruby or Python or even Java.
"However, they've also added all sorts of odd semantics into Ajax
applications, with little documentation, and obscure references to items
such as 'function closures' and so on," continues Powers. "So then you
web page development, and new Ajax libraries and books on the new style,
and nothing bridges the two.
"This is where my book comes in," says Powers. "I've worked with and
of manipulating forms to Dynamic HTML (DHTML) applications, and now Ajax.
I've incorporated what I've learned through the years into an introduction
it to existing object structures, as well as how to build libraries and
take advantage of libraries others have written. The book also explores:
'traditional' object-oriented programming
manipulation, and interactive styling
interaction with other objects
- Applying libraries for special effects and Ajax interactions
the most misunderstood. The reason for this, Powers explains, is that
easy-to-use scripting language built into web browsers and other
applications, offering functions such as form validation, drop down menus,
color fades during data updates, and in-place page edits. The second
language, however, is a mature, full-featured, carefully constrained,
object-based language, which does require more in-depth understanding.
"Used correctly," says Powers, "it can help web applications scale with
little or no change to the application on the server. It can simplify
website development and add a level of sophistication, making a good site
appear even better to its visitors." Used incorrectly, she cautions,
unreadable, and less accessible.
fun scripting language and the powerful object-oriented programming
correctly," says Powers.
ISBN: 0-596-52746-2, 335 pages, $29.99 US, $38.99 CA
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