AJAX
Web application designing has by far evolved in a number of
ways since the time of its birth. To make web pages more interactive various
techniques have been devised both at the browser level and at the server level.
The introduction of XMLHttpRequest class in the Internet Explorer 5 by
Microsoft paved the way for interacting with the server using JavaScript,
asynchronously.
AJAX, a shorthand for Asynchronous Java And XML, is a technique
which uses this MLHttpRequest object of the browser features plus the Document
Object Model and DHTML and provides for making highly interactive web
applications in which the entire web page need not be changed by a user action,
only parts of the page are loaded dynamically by exchanging information with
the server. This approach has been able to enhance the interactivity and speed
of the web applications to a great extent. Interactive applications such as
Google Maps, Orkut, Instant Messengers are making extensive use of this
technique. This report presents an overview of the basic concepts of AJAX and how it is used
in making web applications.
Creating Web applications has been considered as one of the
most exciting jobs under current interaction design. But, Web interaction
designers can't help feel a little envious of their colleagues who create
desktop software. Desktop applications have a richness and responsiveness that
has seemed out of reach on the Web. The same simplicity that enabled the Web's
rapid proliferation also creates a gap between the experiences that can be
provided through web applications and the experiences users can get from a
desktop application.
You can download full AJAX seminar abstract from here.
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