By Edmond Woychowsky
The effortless, Example-Based consultant to Ajax for Every net Developer
Using Ajax, you could construct net functions with the sophistication and usefulness of conventional desktop
applications and you'll 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
one step at a time, he introduces suggestions for construction more and more wealthy purposes. don't be concerned if
you're now not knowledgeable on Ajax's underlying applied sciences; Woychowsky bargains refreshers on them, from
standards all through, starting from Firefox to Ruby and MySQL.
You'll not just the right way to write "functional" code, but in addition grasp layout styles for writing rocksolid,
high-performance Ajax purposes. you are going to additionally the way to use frameworks reminiscent of Ruby on
Rails to get the task performed fast.
Learn how Ajax works, the way it developed, and what it is reliable for
Understand the stream 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
Starting Node. js is your step by step consultant to studying all of the elements of making maintainable Node. js functions. one can find how Node. js is targeted on developing high-performing, highly-scalable web content, and the way effortless it truly is to start. Many front-end devs on a regular basis paintings with HTML, CSS, Hypertext Preprocessor, even WordPress, yet have not but obtained begun with Node.
- Web, Graphics & Perl TK: Best of the Perl Journal
Most likely, this is a "plan for future expansion" thing. Think about it; this makes a great deal of sense because if you go without it, boom, the web browser would just roll over and die whenever somebody with sausage fingers mistyped a tag. The World Wide Web wouldn't be a pretty sight without this feature. Interestingly, the same feature is also available for attributes, which explains how the home-grown data binding works. A number of times in the past, I took advantage of this in regard to attributes.
Yes, in XML, attributes must always have values, so give it one. disabled="disabled" might look goofy, but it works. 2. Well Formed At first glance, it might appear that all that is required to convert HTML into XHTML is to slap a DTD before the HTML tag, close some tags, and clean up some attributes. Voilà, instant XHTML! Well, maybe, sometimes, occasionally, except on Tuesdays or at night during a full moon. You see, unfortunately, there is still a potential source of problems. I stumbled on this problem approximately 5 minutes after creating my first XHTML page, and I immediately felt betrayed.
In a nutshell, "well formed" means that there is a right place for everything. Feet are a good example of this: Imagine if Igor used two left feet; the monster wouldn't be well formed and wouldn't be able to dance, 34 35 either. Listing 2-5. >