By Thomas A. Powell
The Definitive advisor to Ajax internet software Development
Evolve from the click-and-wait programming trend to the newest net 2.0 paradigm utilizing this entire consultant to Ajax. Written by way of internet improvement professional Thomas Powell, the e-book lays out each function of Ajax along distinctive causes and real-world code examples.
- discover the entire quirks and info within the XMLHttpRequest object
- deal with disparate info codecs, together with XML, JSON, CSV, YAML, and more
- take care of networking concerns, together with timeouts, retries, reaction ordering, and a number of server and content material errors
- safe Ajax functions utilizing authentication, obfuscation, and encryption
- enforce universal Ajax UI styles akin to vehicle recommend, click-to-edit, and drag-and-drop
- resolve troubling Ajax structure difficulties, together with again button, historical past, and bookmarking issues
- research Ajax's position in net 2.0 and net services
- discover push variety conversation utilizing Comet and Flash
- detect the way forward for offline internet software entry and operation
Read or Download Ajax: The Complete Reference PDF
Similar web-design books
This ebook is for those who be aware of that it might be a great inspiration to benefit the language, yet should not a hundred% convinced why. you've gotten heard the hype, yet have not obvious adequate substance to determine what XML is, and what it might probably do. you'll already be in some way excited about net improvement, and doubtless even comprehend the fundamentals of HTML, even though neither of those skills is admittedly valuable for this booklet.
XHTML grants to extend the ability and flexibility of the internet and pave the best way for XML. yet how do you set XHTML to paintings? Or adapt your current HTML purposes to this new general? This publication offers the solutions. With crystal-clear motives and compelling case reviews, XML maven Simon St. Laurent walks you thru the bits and bobs of XHTML and exhibits you step by step find out how to reap the benefits of this new net average.
Up-to-date and higher than ever, this extra targeted revision offers finished assurance of XML to a person with a easy figuring out of HTML and net servers that includes all-new examples, this ebook comprises every little thing readers want to know to include XML of their website plans, designs, and implementations keeps professional Elliotte Rusty Harold's recognized song checklist for providing the simplest XML suggestions to be had comprises assurance of the latest XML 1.
Additional info for Ajax: The Complete Reference
A" . $average . "a" . gif'; $fp = fopen($filename, 'rb'); header("Content-Type: image/gif"); header("Content-Length: " . innerHTML = "Server available. "; 37 38 Part I: Core Ideas // dump the response image and end the script fpassthru($fp); exit; } When the image arrives, the result is read from the cookie in the script’s response callback function. While this sounds easy enough, reading the cookie properly does require a bit of string manipulation as shown in the next code fragment. length); } return null; } var results = readCookie("PollResults"); With the response in hand and unpacked from the cookie, it is put in the page using basic DOM methods.
Length); } return null; } var results = readCookie("PollResults"); With the response in hand and unpacked from the cookie, it is put in the page using basic DOM methods. innerHTML = "Thank you for voting. You rated this a " + rating + ". There are " + total + " total votes. The average is " + average + ". html and the network transmission is shown here to illustrate exactly how data was passed. Chapter 2: P r e - A j a x J a v a S c r i p t C o m m u n i c a t i o n s Te c h n i q u e s 39 PART I While the image cookie technique would seem to solve the need for two-way data transmission, do note that this technique has a major weakness: if cookies are turned off, it is going to fail.
In this scenario you will present the user with a set of choices to indicate their feelings about a particular product, idea, page, or whatever you are interested in finding their opinion on. The user interface for the rating system might range from a simple set of radio buttons to more complex user interface widgets such as a slider 15 16 Part I: Core Ideas or even some form of animated rollovers such as the ubiquitous star ratings found on many websites. Whatever the visual presentation and form of the communication used in the rating system, the underlying approach will be quite similar.
Ajax: The Complete Reference by Thomas A. Powell