ajax-request

AJAX is still a polling technology

I have read up on AJAX and pushing technologies. Is AJAX still a pulling technology that still requires Push Technology such as Java Pushlets and Tomcat Comet? In another words is it correct to say, that Data is being push from server to client. then client pulls that data using AJAX to place it on web browser? ...

[MooTools] Get the Selected Item of DropDownList for Ajax Get

I'm trying to initiate an ajax request whenever a person changes the value of a drop down list. I want to send the selected item of the drop down as a query string parameter. How do I get the selected item from the drop down list using MooTools? var theUrl = 'http://someurl.com'; window.addEvent( 'domready', function() { $('ddl').ad...

Update content of one window on event in other window with ExtJS

Some time ago I started learning of ExtJS library and now I would like to create following: There is a browser window and it is separated verticaly. On the left there is a TreePanel with directories and subdirectories (only 2 level deep). On the right side there will be an output for content of the selected subdirectory. I have done th...