[Javascript] True element coordinates on mouseevent.
Peter-Paul Koch
gassinaumasis at hotmail.com
Fri Nov 7 05:10:33 CST 2003
> > Is detecting the true element mouse coordinates (the exact coordinates
> > of the mouse pointer on the element it's currently hovering,
> > [event.]layerX/layerY (only absolutely position/Mozilla) or
> > [event.]offsetX/offsetY(IE/Safari only)) still impossible?
Nope.
function doSomething(e)
{
var posx = 0;
var posy = 0;
if (!e) var e = window.event;
if (e.pageX || e.pageY)
{
posx = e.pageX;
posy = e.pageY;
}
else if (e.clientX || e.clientY)
{
posx = e.clientX + document.body.scrollLeft;
posy = e.clientY + document.body.scrollTop;
}
// posx and posy contain the mouse position relative to the document
// Do something with this information
}
I remember
> > trying to do this a few years back, when I found out that it only worked
> > for elements with position: absolute, and that makes the function
> > completely useless and very stupid indeed.
That was in Netscape 4.
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ppk, freelance web developer
Interaction, copywriting, JavaScript, integration
http://www.quirksmode.org/
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