Scope problem of <select> variable

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2 total messages Started by Koen Appeltans Tue, 11 Dec 2001 11:00

Author: Koen Appeltans
Date: Tue, 11 Dec 2001 11:00

21 lines
1625 bytes

Hello,

I'm having a problem with the following HTML/javascript code:

 <SELECT onchange="VPEchanged" id=verpleeg name=verpleeg size=1>
 <OPTION value = 0>Geen</OPTION>
<OPTION value = 1>Test</OPTION>
 </SELECT>
 <SCRIPT language="javascript">
 verpleeg.options[1].selected = true;
</SCRIPT>

he gives an error in the script : verpleeg is not defined
Why can't I use that variable anymore ?? How can I solve this problem ??

It's probably a very basic question, but I've been searching now for a while
allready, so I'd really appreciate some help!

Tnx in advance,

Koen Appeltans

Re: Scope problem of <select> variable

Author: Jim Ley
Date: Tue, 11 Dec 2001 11:22

28 lines
1997 bytes

On 11 Dec 2001 03:00:24 -0800, koenappeltans@hotmail.com (Koen
Appeltans) wrote:

>Hello,
>
>I'm having a problem with the following HTML/javascript code:
>
> <SELECT onchange="VPEchanged" id=verpleeg name=verpleeg size=1>
> <OPTION value = 0>Geen</OPTION>
><OPTION value = 1>Test</OPTION>
> </SELECT>
> <SCRIPT language="javascript">
> verpleeg.options[1].selected = true;
></SCRIPT>
>
>he gives an error in the script : verpleeg is not defined
>Why can't I use that variable anymore ??

You never been able to, well not in any definitions, it's error
correction, the select is part of a form, so you use the forms array

document.forms['formname'].elements['verpleeg']
is what you should be using rather than just verpleeg

Jim.
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