Hi All,
Newbie here needing some syntax assistance. Here is the code:
function fnSelectOption(fieldname)
{
document.mainform. + fieldname + .value = "value";
}
It obvliously bombs where I am trying to ref the param "fieldname". I
realize it is a simple syntax issue but I cannot seem to figure it out. Any
help is greatly appreicated.
JC
-----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
-----== Over 100,000 Newsgroups - 19 Different Servers! =----- 10  1173 
<script language="jscript">
function fnSelectOption(fieldname)
{
// mainform is referenced in the forms collection and
// fieldname is referenced by name as a form element.
document.forms("mainform")(fieldname).value = "value";
}
</script>
</head>
<body>
<form name="mainform" >
<input type="text" name="text1" width="22">
<input type="button" value="Click Me" onclick="fnSelectOption('text1')";>
</form>
</body>
"DakotaCom" <jc******@rivervalleyit.com> wrote in message news:3f********@corp.newsgroups.com... Hi All,
Newbie here needing some syntax assistance. Here is the code:
function fnSelectOption(fieldname)
{
document.mainform. + fieldname + .value = "value";
}
It obvliously bombs where I am trying to ref the param "fieldname". I
realize it is a simple syntax issue but I cannot seem to figure it out. Any
help is greatly appreicated.
JC
-----= Posted via Newsfeeds.Com, Uncensored Usenet News =-----
http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
-----== Over 100,000 Newsgroups - 19 Different Servers! =-----
MikeB wrote: <script language="jscript">
No need for jscript here, just use:
<script type="text/javascript">
function fnSelectOption(fieldname)
{
// mainform is referenced in the forms collection and
// fieldname is referenced by name as a form element.
document.forms("mainform")(fieldname).value = "value";
}
This should be:
document.forms["mainform"][fieldname].value = "value";
(document.forms is not a function and you will get errors in other browsers
than IE)
JW
"MikeB" <m.byerleyATVerizonDottieNettie> wrote in message
news:R8********************@comcast.com... <script language="jscript">
function fnSelectOption(fieldname)
{
// mainform is referenced in the forms collection and
// fieldname is referenced by name as a form element.
document.forms("mainform")(fieldname).value = "value";
}
<snip>
An obvious alternative to using IE specific code and shielding it form
non-IE browsers is by specifying the language attribute as jscript would
be to use the standard javascript/ECMA Script square bracket notation
property accessor syntax. Which is also fully supported by JScript:-
document.forms['mainform'][fieldname].value = "value";
-or-
document.forms['mainform'].elements[fieldname].value = "value";
-or-
document.forms.mainform.elements[fieldname].value = "value";
<URL: http://www.jibbering.com/faq/#FAQ4_39 >
Richard.
Thanks for the reponses! This seems to work for what I need, it also seems
to be the cleanest:
document.mainform[fieldname].value = "value";
JC
"MikeB" <m.byerleyATVerizonDottieNettie> wrote in message
news:R8********************@comcast.com... <script language="jscript">
function fnSelectOption(fieldname)
{
// mainform is referenced in the forms collection and
// fieldname is referenced by name as a form element.
document.forms("mainform")(fieldname).value = "value";
}
</script>
</head>
<body>
<form name="mainform" >
<input type="text" name="text1" width="22">
<input type="button" value="Click Me" onclick="fnSelectOption('text1')";>
</form>
</body>
"DakotaCom" <jc******@rivervalleyit.com> wrote in message
news:3f********@corp.newsgroups.com... Hi All,
Newbie here needing some syntax assistance. Here is the code:
function fnSelectOption(fieldname)
{
document.mainform. + fieldname + .value = "value";
}
It obvliously bombs where I am trying to ref the param "fieldname". I
realize it is a simple syntax issue but I cannot seem to figure it out.
Any help is greatly appreicated.
JC
-----= Posted via Newsfeeds.Com, Uncensored Usenet News =-----
http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
-----== Over 100,000 Newsgroups - 19 Different Servers! =-----
-----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
-----== Over 100,000 Newsgroups - 19 Different Servers! =-----
Thanks for the reponses! This seems to work for what I need, it also seems
to be the cleanest:
document.mainform[fieldname].value = "value";
JC
"MikeB" <m.byerleyATVerizonDottieNettie> wrote in message
news:R8********************@comcast.com... <script language="jscript">
function fnSelectOption(fieldname)
{
// mainform is referenced in the forms collection and
// fieldname is referenced by name as a form element.
document.forms("mainform")(fieldname).value = "value";
}
</script>
</head>
<body>
<form name="mainform" >
<input type="text" name="text1" width="22">
<input type="button" value="Click Me" onclick="fnSelectOption('text1')";>
</form>
</body>
"DakotaCom" <jc******@rivervalleyit.com> wrote in message
news:3f********@corp.newsgroups.com... Hi All,
Newbie here needing some syntax assistance. Here is the code:
function fnSelectOption(fieldname)
{
document.mainform. + fieldname + .value = "value";
}
It obvliously bombs where I am trying to ref the param "fieldname". I
realize it is a simple syntax issue but I cannot seem to figure it out.
Any help is greatly appreicated.
JC
-----= Posted via Newsfeeds.Com, Uncensored Usenet News =-----
http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
-----== Over 100,000 Newsgroups - 19 Different Servers! =-----
-----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
-----== Over 100,000 Newsgroups - 19 Different Servers! =-----
"DakotaCom" <jc******@rivervalleyit.com> writes:
Please don't top post, or at least trim your quotes. Thanks for the reponses! This seems to work for what I need, it also seems
to be the cleanest:
document.mainform[fieldname].value = "value";
"*Seems* to work" is correct, at least for the browser you used.
It fails in, e.g., Mozilla/Netscape, because they don't make the form
a property of the document element.
Use
document.forms['mainform'] (or the equivalent: document.forms.mainform)
instead of just
document.mainform
That is the minimum you can write that works in all Javascript enabled
browsers.
Personally I prefer to use the "elements" collection, so it is
document.forms['mainform'].elements[fieldname].value = "value"
I think it is most consistent.
/L
--
Lasse Reichstein Nielsen - lr*@hotpop.com
DHTML Death Colors: <URL:http://www.infimum.dk/HTML/rasterTriangleDOM.html>
'Faith without judgement merely degrades the spirit divine.'
How come you guys always answer AFTER you've had your coffee.... ;-)
"Richard Cornford" <Ri*****@litotes.demon.co.uk> wrote in message
news:bs*******************@news.demon.co.uk... "MikeB" <m.byerleyATVerizonDottieNettie> wrote in message
news:R8********************@comcast.com... <script language="jscript">
function fnSelectOption(fieldname)
{
// mainform is referenced in the forms collection and
// fieldname is referenced by name as a form element.
document.forms("mainform")(fieldname).value = "value";
}
<snip>
An obvious alternative to using IE specific code and shielding it form
non-IE browsers is by specifying the language attribute as jscript would
be to use the standard javascript/ECMA Script square bracket notation
property accessor syntax. Which is also fully supported by JScript:-
document.forms['mainform'][fieldname].value = "value";
-or-
document.forms['mainform'].elements[fieldname].value = "value";
-or-
document.forms.mainform.elements[fieldname].value = "value";
<URL: http://www.jibbering.com/faq/#FAQ4_39 >
Richard.
Lasse Reichstein Nielsen wrote: "DakotaCom" <jc******@rivervalleyit.com> writes: Thanks for the reponses! This seems to work for what I need, it also seems
to be the cleanest:
document.mainform[fieldname].value = "value";
"*Seems* to work" is correct, at least for the browser you used.
It fails in, e.g., Mozilla/Netscape, because they don't make the form
a property of the document element.
WFM in Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7a)
Gecko/2004010908.
But I agree to the rest of your statements because of
[example using document.forms]
That is the minimum you can write that works in all Javascript enabled
browsers.
[...]
PointedEars
Thomas 'PointedEars' Lahn <Po*********@web.de> writes: WFM in Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7a)
Gecko/2004010908.
Mozilla makes the form a property of the document if it is named using
the name attribute, and not if it is named only using the id attribute.
In the example I used (as most of the code I write) I only used id.
/L
--
Lasse Reichstein Nielsen - lr*@hotpop.com
DHTML Death Colors: <URL:http://www.infimum.dk/HTML/rasterTriangleDOM.html>
'Faith without judgement merely degrades the spirit divine.'
Lasse Reichstein Nielsen wrote: Thomas 'PointedEars' Lahn <Po*********@web.de> writes: WFM in Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7a)
Gecko/2004010908.
Mozilla makes the form a property of the document if it is named using
the name attribute, and not if it is named only using the id attribute.
True. Interestingly, it makes form elements a property of the form
object even if only the ID attribute is used.
In the example I used (as most of the code I write) I only used id.
You know, my magic Crystal Ball[tm] is still on holiday :)
Besides, you know that you become incompatible with older browsers
when using only the ID attribute for naming elememts but also access
them through collections/arrays?
PointedEars This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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