Well, you could try this (probably very expensive) operation and see
if it works for you:
var max_z = 0;
$$('div').each(function(elm){
var z = elm.getStyle('z-index');
max_z = (z <= max_z) ? max_z : z;
});
If you can scope your $$ to a smaller universe, or use $
('foo').select('div') instead, you might be able to shave some cycles
off of that. Another approach would be to do this once at page load,
then each time you add a new "top" element, increment the max_z global
variable to match. You just want to keep building higher, there's no
reason to worry about decrementing when you remove the top element.
Walter
On Jul 3, 2011, at 12:58 PM, kstubs wrote:
Any tips on managing zindex for a given page where many absolute
positioned objects occur? Further, one object may expand and
require a greater zindex of the object nearby, and of course the
same is true of every object on the page.
This is not as easy as managing a bunch of known objects, these
objects don't actually know the other exist. I'm wondering if there
is an optimal way to discover what the max zindex is on the page,
and go from there.
Anyhow, any ideas would be great.
Karl..
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