how to manipulate the selection data

[john woo]

Hi

if sel represents a select object, then

var length = sel.length;
var aValue = sel.option[i];
var aIndex = sel.selectedIndex;

I'm wondering what's idea to manipulate this sel, like

var backup = clone(sel);

remove(sel.option[i]);
insert(sel.option[i], value,text);

--
Thanks lots.
John
Toronto

[Danny]

You have to be much more specific on what you need, roughly I'd guess
you're populating a Select options from another as source, which is easy
to do, but you have to specify what you need.
Danny
--
Using Opera's revolutionary e-mail client: http://www.opera.com/mail/

[john woo]

Thanks.

it's like

insert another item in the selection-list, remove an item from the
selection-list, make a clone/copy for that selection-object in order to
recover the changed select object.

for ex: if

select name="sel" SIZE ="5" style="width:200px;" >
<option value="0"> &lt;ALL&gt
<option value="1" >a
<option value="2" >b
<option value="3" >c
<option value="6" >f
</select>

then I'd like to insert 2 more, as

<option value="4" >d
<option value="5" >e

or want to remove the 2rd item, so it doesn't have

<option value="2" >b

or at the begining have a clone object, then after changing sel, it can
be recovered.

--
John

[john woo]

Can any one share an example?

--
Thanks
John