Answers for "on click checkbox jquery get checked value"

jquery checkbox checked value

if ($('#check_id').is(":checked"))
{
  // it is checked
}

how to get checked value of checkbox in jquery

$("#check").change(function () {
            if (this.checked) {
                //I am checked
                name_val = $('#name').val();
                $('#player').val(name_val);
            } else {
                //I'm not checked
                $('#player').val('');
            }
        });