jQuery form - select

<select name='search_code' id='sub_item'>
      <option value="">전체</option>
</select>


name 접근 : var x = $("select[name=search_code]").val(); //select 생략 가능

id 접근 : var x = $("#sub_item > option:selected").val();

아~  완전 걸음마를 하는구나~