I think I've done this in the past and can't remember EXACTLY how I had
done it but you have to loop through the options to see if they are
selected.
I found this code on the net. Maybe it'll help...
var so = document.Form.select1;
selectedOptions = new Array();
for (var i=0; i < so.length; i++){
if (so.options[i].selected)
{
selectedOptions[i] = so.options[i].value;
}
}
HTH
- Todd
-----Original Message-----
From: Howard Cheng [mailto:[EMAIL PROTECTED]
Sent: Wednesday, June 09, 2004 10:09 AM
To: [EMAIL PROTECTED]
Subject: [wdvltalk] [Javascript] Getting index of selected item
I have a multiple select box where I need to get the index of the item
that was just selected or de-selected. Anyone know of a way to do that?
selectObj.selectedIndex returns the index of the first selected item,
not the one that was just clicked. This is an IE-only application so if
perhaps there's something in the IE-specific API? I looked in the event
object, but couldn't find anything useful.
My current approach is to fill an array on page load of what items are
selected at load time. Then in the select box's onchange event, get the
list of currently selected items and compare that to what was previously
selected. If one item is in the first array, but not the second, that
means it was the one that was just clicked. This works in most cases.
However, consider the case where items 1, 2, and 3 are selected, then
the use clicks item 3 only. In this case, the previously selected array
has 3 items and the newly selected array has 1, but that one value is in
the other array, so I can't actually tell that it's been selected.
Anyone have any other ideas? TIA.
--
::::::::::::::::::::::::::::::
Howard Cheng
http://www.howcheng.com/
Wise-cracking quote goes here.
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