!$("input:radio[value='7'][name='employee-type']").prop('checked')

$("input[name='nameOfYourRadioButton']").attr("checked", false);

$('input:radio[name="IntroducerType"]').removeAttr('checked');

$('input:radio[name="IntroducerType"]').prop('checked', false);

$('#element').click(function() {

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

});

​

$('#radio-button-id').click(function() {

  if($('#radio-button-id').is(':checked')) 

  { 

    //input where you put a value

    $('#program').val("radio-button-text");

  }                      

});

$(".nameOfTheClass").prop('checked', true);

​

$(document).ready(function(){

  $('#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!');

    }

  });

});

$(function() {

    var $radios = $('input:radio[name=gender]');

    if($radios.is(':checked') === false) {

        $radios.filter('[value=Male]').prop('checked', true);

    }

});

​

$('input:radio[name="postage"]').change(function(){

​

        if ($(this).val() == 'Yes') {

            //true

        }

        else {

            //false

        }

    });

$('form input[type=radio]:checked').val();

$('input:radio[name=Status]').val(['@viewbag.data']);

​