日期:2014-05-16 浏览次数:20407 次
<html>
<head>
<title>js+dom获得单选选项</title>
<script language="javascript" type="text/javascript">
    function hd(){
        var obj = document.getElementsByName("One");
        for(var i = 0;i < obj.length; i ++){
            if(obj[i].checked){
                alert(obj[i].value);
            }
        }
        
    }
    
</script>
</head>
<body>
<label>A<input type="radio" value="A" name="One" id="One"/></label>
<label>B<input type="radio" value="B" name="One" id="One"/></label>
<label>C<input type="radio" value="C" name="One" id="One"/></label>
<label>D<input type="radio" value="D" name="One" id="One"/></label>
<input type="button" value="获得" onclick="hd()"/>
</body>
</html>