Getting value of selected Radio group

[Peter]

Hi all,

Sorry if this is an obvious/common question, but I'm trying to get the
value of a radio button using JavaScript.

Where I can easily get the value of a text field:

document.myform.myfield.value

how do I get the value of the *selected* radio button? E.g. given:

<input type="radio" name="mygroup" value="1">
<input type="radio" name="mygroup" value="2">

using:

document.myform.mygroup.value

doesn't work as there are two (in this case) radio buttons with the same
name!

Thanks in advance!

Peter.

[N Clements]

Try using something like the following in your javascript function:
var val = 0;

for( i = 0; i < document.myform.mygroup.length; i++ )
{
if( document.myform.mygroup[i].checked == true )
val = document.myform.mygroup[i].value;
}
alert( "val = " + val );

Hope that helps.

N. Clements
Brainbench MVP for _Javascript
www.brainbench.com
no****@spam.spam.spam.242.mailshell.com
Remove 2nd through 4th spam to reply.

Peter <no****@nospam.com> wrote in news:bio94b$1k9$1
@hercules.btinternet.com:

Hi all,

Sorry if this is an obvious/common question, but I'm trying to get the
value of a radio button using JavaScript.

Where I can easily get the value of a text field:

document.myform.myfield.value

how do I get the value of the *selected* radio button? E.g. given:

<input type="radio" name="mygroup" value="1">
<input type="radio" name="mygroup" value="2">

using:

document.myform.mygroup.value

doesn't work as there are two (in this case) radio buttons with the same name!

Thanks in advance!

Peter.

[Peter]

N Clements wrote:

Try using something like the following in your javascript function:
var val = 0;

for( i = 0; i < document.myform.mygroup.length; i++ )
{
if( document.myform.mygroup[i].checked == true )
val = document.myform.mygroup[i].value;
}
alert( "val = " + val );

Hope that helps.

Thanks loads - thats great!!
:)

[Steve van Dongen]

On Sat, 30 Aug 2003 17:38:36 +0000 (UTC), Peter <no****@nospam.com>
wrote:

N Clements wrote:

Try using something like the following in your javascript function:
var val = 0;

for( i = 0; i < document.myform.mygroup.length; i++ )
{
if( document.myform.mygroup[i].checked == true ) { val = document.myform.mygroup[i].value; break; // stop searching as soon as one is found
} }
alert( "val = " + val );

Hope that helps.

Thanks loads - thats great!!
:)

Just add the break statement like above to reduce the amount of work
being done.

Regards,
Steve