On Apr 17, 3:34 pm, RobG <rg...@iinet.net.au> wrote:
[...]
> OK, here is a dead basic proof of concept. Of course it is nowhere
> near production code, but I think you can see where it's going. I
> would wrap the entire thing in the module pattern, but I've just used
> basic globals at this stage. My intention is to show that efficient
> DOM manipulation is possible and that access to related data isn't
> hard.
>
> It took me about 45 minutes to write the entire thing (more than half
> of that was writing the function to generate the test data set),
> tested in Firefox 3 and IE 6 on a 3.4GHz Pentium 4, Windows XP, the
> insert runs in less than 500ms. I'll test it on the G4 iBook for
> reference later.
Safari 4 on iBook takes around 132ms, Firefox was around 1900.
[...]
> function showData(evt) {
> var evt = evt || window.event;
> var tgt = evt.target || evt.srcElement;
> var data;
> if (tgt && tgt.tagName && tgt.tagName.toLowerCase() == 'a') {
> data = dataObj[tgt.id];
// Should guard against error here
if (typeof data != 'undefined') {
>
> // Have data related to this element, do
> // something with it
> alert(
> 'Name: ' + data.name
> + '\nType: ' + data.type
> + '\nAbout: ' + data.about
> );
}
> }
> }
--
Rob
