radio

<!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 btnClick() {
            var radios = document.getElementsByName("gender");
            //在JS中，for (var item in array)并不像C#中的foreach,不会遍历每个元素，而是遍历key
//            for (var item in array) {
//                if (item.isChecked) {
//                    alert(item.value);
//                 }

               for(var i=0;i<radios.length;i++){
                 var radio = radios[i];
                 alert(radio.value);
               }
            }
       
    </script>
</head>
<body>
<input type="radio" name="gender" value="男" />男
<input type="radio" name="gender" value="保密" />保密
<input type="radio" name="gender" value="女" />女
<input type="button" value="当前性别" onclick="btnClick()" />
</body>
</html>

posted @ 2012-11-23 21:15  FiberHomer  阅读(111)  评论(0)  编辑  收藏  举报