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Posted by Ben C on 08/03/07 17:17
On 2007-08-03, lester psigal <lesterpsigal@yahoo.de> wrote:
> hi,
> more and more web sites are coming up with new features like those
> frameless ( with frameless i mean those windows totally without browser
> frame, not those generated by javascript/css ), transparent popup
> windows with (dynamic) web content, e.g. ask.com.
> sometimes they are generated by (top-text) services like intellitext
> (vibrant technologies) or kontera.
> how do those popups technology work (code-technically)?
They are probably not actual windows in the way that a traditional popup
is, but absolutely-positioned divs with opacity set on them that are
toggled from visibility: hidden to visibility: visible by JS/DOM. Their
contents can be updated dynamically just like any other part of the
document from JS using the DOM.
You can style them how you like, including not giving them borders.
> does it belong to web 2.0 and where can i find www resources about such
> technology?
Web 2.0 is just a buzzword but yes this kind of thing is associated with
it. If you want to try out things like this, read about the DOM and
JavaScript. If you want the page to be able to refresh parts of its
contents with data from the server without reloading completely, use the
XMLHttpRequest object.
Whether the result counts as Web 2.0 is done on a scoring system where
you get points for using XMLHttpRequest, having a blog, excessive use of
lowercase, opacity effects, cool limegreen colour scheme, dashed
borders, etc. :)
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