Getting Value Of Selected Radio Group

Jul 20, 2005

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!

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I have a radio group that, when a certain option is selected, it makes the radio group disappear and a textbox appear. It works great in Firefox, but it appears to be glitchy in IE.

<script type="text/javascript">
function showRestaurantTextBox()
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Jun 15, 2010

In validating a form, I need to make a decision based on the result of a radio button group.The radio button group is defined like this:

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<input name="payment_method" value="mastercard" type="radio" class="radio payment_method">Mastercard

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Nov 16, 2009

I have the following code:

<form action="" name="myform" method="post">
<input type="hidden" id="picimages" name="picimages" value="<?php echo $resultsetstory['bigger_id']; ?>" />
<p>
<label>
<input type="radio" id="picimages" name="picimages" value="<?php echo $resultsetstory['picture_id']; ?>" />
<?php
if($resultsetstory['title']<>""){
[Code]...

However I can't get the value of the radio group for the one that is selected.

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May 11, 2007

I'm trying retrieve the value of a radio group, which ever button is selected I need to assign a value to a var. I can't seem to get this right, I'm not even sure if I'm going about this the right way. Here's my code.

//the alert is just to see If I'm getting a value to start with.
function validateOrder()
{
for (var i=0; i<document.getElementById('Size_rg').length; i++)
{
if (document.getElementById('Size_rg')[i].checked)
{
return i;
alert(i + 'you got a value');
}}}

<input name="Size_rg" type="radio" value="10"/>
<input type="radio" name="Size_rg" value="12" />
<input type="radio" name="Size_rg" value="15" />

<input name="Submit_but" type="button" id="Submit_but" value="Submit Order" onClick="validateOder();"/>

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Apr 6, 2007

i have a list of 10 radio buttons all with the same ID=R100 i need a javascript to select (checked) say the 4th radio button AFTER the form is created.

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Aug 31, 2007

I use this function to find the value of a radio group:

function valButton(btn) {
var cnt = -1;
for (var i=btn.length-1; i -1; i--) {
if (btn[i].checked) {cnt = i; i = -1;}
}
if (cnt -1) return btn[cnt].value;
else return null;
}

I however found an incompatibility with Internet Explorer, when the
radio group name contains brackets. For example, the radio group name
is &#391234;[a]'. The Ms Script Debugger stops on btn.length, saying that
it is null or not an object. You may also want to know that it works
well in Firefox and Safari.

Does anyone knows any way I can get IE to digest this? Do you know
another way to acquire radio group value?

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Dec 14, 2010

I have created a little script that is supposed to add another item to a radio group and set the new item as selected if none of the other items is selected. It works on initial load of page, but if I press refresh, the checked value of the radio group shifts one place to the right on each reload.[code]The code has some special names and labels.. Thats just because it comes from some generated code from another application.

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Jun 11, 2007

I'm working on validating radio buttons in a form. I want to require that a button be selected from required radio button groups before accepting the submit. Not all the radio button groups are required to have a selection.

One problem I'm having is that I can't return the name of the radio button group. I want to switch case on the name of the radio button group.

I do have an id for each individual radio button, so I can confirm that the for loops are working, but my alert tells me that radiogroups[j] is an [object] and radiogroups[j].name is undefined.

And there is a problem with the logic, too. If just one of the radio button sets is checked, the form validates. Code:

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Jun 27, 2011

So I need to create the equivalent of a radio group without using the name attribute. A radio group is just makes one radio selected at a time and this is automatically done if all the names are the same but that isnt an option for me. Here is an example of a normal radio [URL]..

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[Code]...

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Jan 10, 2005

I have a form that I am validating all fields. I successfully completed the Javascript functions for that...the problem is that within this validation I need to check if a specific selection was made within a radio group (array) and if , let's say "Yes" was selected, then another radio group would not be required. Code:

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Oct 7, 2011

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May 17, 2011

I want to create dynamic radio button group with different names.

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Feb 17, 2010

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Here is part of my code:
$(function() {
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I am trying to come up with a script that will validate a radio group based upon the status of a checkbox.If box is checked radio button is required else it can stay false.here is as far as I have gotten so far. just a basic if statement but i need to incorporate the check box

Code:

function validate_form ( )
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valid = true;[code]......

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May 13, 2011

I have got a radio button group. A click event have to reset it that the first radio button is checked again.
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<input type="radio" name="msgtype" value="3" /> Frage
That doesn't work so far:
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HTML Code:
<script type="text/javascript">
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Apr 15, 2007

I have some radios like this :

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id is the id of field from database is it correct ?

How can find the selected Item by clicking on a button ?
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[Code]....

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I am new to this kind of scripting, so I have not done it before, I have tried to find solutions on the net but none have worked. I have a 'contact us' form, which includes 2 radio buttons to select how they wish to recieve their reply... the first radio is 'email' the second radio is 'phone' When the 'phone' radio is selected, i want the div including a drop downbox to appear to ask what time to recieve a call, but when the 'email' radio is selected, this div does not appear. This is the script for this section.

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