29. 드롭다운리스트체크(selectedIndex 사용)

holland14 2009. 8. 11. 16:03

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <script type="text/javascript">
        function CheckSelect() {
            if (document.getElementById("lstFavorite").selectedIndex == 0) {
                alert("관심사항을 선택하시오.");
                document.getElementById("lstFavorite").focus();
            }
            else {
                window.alert("당신의 관심사항 : " + document.getElementById("lstFavorite").value);
            }
        }
    </script>
</head>
<body>
    관심사항<br />
    <select id="lstFavorite">
        <option value="">- 선택 -</option>
        <option value="C#">C#</option>
        <option value="ASP.NET">ASP.NET</option>
        <option value="Sliverlight">Silverlight</option>
    </select>