jquery – 如何将送货地址复制到帐单邮寄地址

我想知道我是否可以将送货地址复制到帐单地址.当用户点击与送货地址相同时复选框.送货地址值将复制到开票输入字段.我完成了大部分部分,但我不确定如何将选择菜单(状态)值复制到帐单地址.我非常感谢任何帮助.

我的代码

$(document).ready(function(){

jQuery的

$('#same').click(function(){
    if($('#same').attr('checked')){
        $('#bfName').val($('#fName').val());
        $('#blName').val($('#lName').val());
        $('#baddress1').val($('#address1').val());
        $('#baddress2').val($('#address2').val());
        $('#bcity').val($('#city').val());
        alert(($('#state option:selected').val())); //not sure what to do here
        $('#bzip').val($('#zip').val());

};

});

HTML

<td><select name="state">            //shipping states......only partial codes.
    <option value="">None
    <option value="AL">Alabama
    <option value="AK">Alaska
    <option value="AZ">Arizona
    <option value="AR">Arkansas
    <option value="CA">California
    <option value="CO">Colorado
    <option value="CT">Connecticut
        </select></td>


   <td><select name="bstate">    //billing state................only partial codes.
    <option value="">None
    <option value="AL">Alabama
    <option value="AK">Alaska
    <option value="AZ">Arizona
    <option value="AR">Arkansas
    <option value="CA">California
    <option value="CO">Colorado
    <option value="CT">Connecticut
        </select></td>

非常感谢！

试一试.

var state = $('#state option:selected').val();
$('#bstate option[value=' + state + ']').attr('selected','selected');