Using JQuery to check if no radio button in a group has been checked

Question

I\'m sitting with a problem, I need to check with JQuery if no radio button within a radio button group has been checked, so that I can give the users an javascript error if

Answer 1

I am using this much simple

HTML

<label class="radio"><input id="job1" type="radio" name="job" value="1" checked>New Job</label>
<label class="radio"><input id="job2" type="radio" name="job" value="2">Updating Job</label>


<button type="button" class="btn btn-primary" onclick="save();">Save</button>

SCRIPT

 $('#save').on('click', function(e) {
    if (job1.checked)
        {
              alert("New Job"); 
        }
if (job2.checked)
        {
            alert("Updating Job");
        }

}

Answer 2

if (!$("input[name='html_elements']:checked").val()) {
   alert('Nothing is checked!');
}
else {
  alert('One of the radio buttons is checked!');
}

Answer 3

I'm using

$("input:radio[name='html_radio']").is(":checked")

And will return FALSE if all the items in the radiogroup are unchecked and TRUE if an item is checked.

Answer 4

You could do something like this:

var radio_buttons = $("input[name='html_elements']");
if( radio_buttons.filter(':checked').length == 0){
  // None checked
} else {
  // If you need to use the result you can do so without
  // another (costly) jQuery selector call:
  var val = radio_buttons.val();
}

Answer 5

if ($("input[name='html_elements']:checked").size()==0) {
   alert('Nothing is checked!');
}
else {
  alert('One of the radio buttons is checked!');
}

Answer 6

var len = $('#your_form_id input:radio:checked').length;
      if (!len) {
        alert("None checked");
      };
      alert("checked: "+ len);