How to Know Which Radio Button Is Selected Via Jquery

$('#myForm input').on('change', function() {
  alert($('input[name=radioName]:checked', '#myForm').val());
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form id="myForm">
  <fieldset>
    <legend>Choose radioName</legend>
    <label><input type="radio" name="radioName" value="1" /> 1</label> <br />
    <label><input type="radio" name="radioName" value="2" /> 2</label> <br />
    <label><input type="radio" name="radioName" value="3" /> 3</label> <br />
  </fieldset>
</form>

How to check a radio button with jQuery?

For versions of jQuery equal or above (>=) 1.6, use:

$("#radio_1").prop("checked", true);

For versions prior to (<) 1.6, use:

$("#radio_1").attr('checked', 'checked');

Tip: You may also want to call click() or change() on the radio button afterwards. See comments for more info.

How to know which radio button is selected in jquery?

var selectedValue = $("input[name=form]:checked").val();

How to check radio button is checked using JQuery?

Given a group of radio buttons:

<input type="radio" id="radio1" name="radioGroup" value="1">
<input type="radio" id="radio2" name="radioGroup" value="2">

You can test whether a specific one is checked using jQuery as follows:

if ($("#radio1").prop("checked")) {
   // do something
}

// OR
if ($("#radio1").is(":checked")) {
   // do something
}

// OR if you don't have ids set you can go by group name and value
// (basically you need a selector that lets you specify the particular input)
if ($("input[name='radioGroup'][value='1']").prop("checked"))

You can get the value of the currently checked one in the group as follows:

$("input[name='radioGroup']:checked").val()

How to get value of selected radio button?

var rates = document.getElementById('rates').value;

The rates element is a div, so it won't have a value. This is probably where the undefined is coming from.

The checked property will tell you whether the element is selected:

if (document.getElementById('r1').checked) {
  rate_value = document.getElementById('r1').value;
}

Or

$("input[type='radio'][name='rate']:checked").val();

Find out whether radio button is checked with JQuery?

$('#element').click(function() {
   if($('#radio_button').is(':checked')) { alert("it's checked"); }
});

jQuery Check if a Radio Button is Selected or not

Try this:

// Table: Add class row selected
$('.table tbody :radio').change(function() {
    $('.table tbody :radio:checked').closest('tr').addClass('selected-row');
    $('.table tbody :radio:not(:checked)').closest('tr').removeClass('selected-row');
});

How can I check which of the two radio button is checked in javascript/jquery?

use attribute selector along with :checked selector and .val() to get the value of the checked input element with name AS88

$('input[name="AS88"]:checked').val()

Demo: Fiddle

Determine if radio buttons are checked using jQuery

Your problem is because $(this) is referring to the textbox and not the rowID.

To fix do this:

$("#rowID input[type=text]").blur(function () {

    var checkedRadios = $('#rowID').find('input:radio:checked');

    if (checkedRadios.length > 0) {
        alert("yes");
    } else {
        alert("no");
    }

});

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