Check if a radio button is checked jquery [duplicate]

Answer 1

First of all, have only one id="test"

Secondly, try this:

if ($('[name="test"]').is(':checked'))

Answer 2

if($("input:radio[name=test]").is(":checked")){
  //Code to append goes here
}

Answer 3

  $('#submit_button').click(function() {
    if (!$("input[@name='name']:checked").val()) {
       alert('Nothing is checked!');
        return false;
    }
    else {
      alert('One of the radio buttons is checked!');
    }
  });

Answer 4

try this

if($('input:radio:checked').length > 0){
// go on with script
 }else{
    // NOTHING IS CHECKED
 }

Answer 5

Something like this:

 $("input[name=test]").is(":checked");

Using the jQuery is() function should work.