how to uncheck radio button in jquery code example

Example 1: get value of checked radio button jquery

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

Example 2: check radio button is checked jquery

$(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!');
    }
  });
});

Example 3: unset radio button jquery by name

$("input:radio[name='thename']").each(function(i) {
       this.checked = false;
});

Example 4: uncheck all radio button jquery

$('.classname').prop('checked', false);

Example 5: radio button unchecked html jquery

$(this).prop('checked', false);
// Note that the pre-jQuery 1.6 idiom was
// $(this).attr('checked', false);