急!谁能给个获得己选定CheckBox的VALUE值的函数<html>
<head>
<title>checkbox</title> <script type="text/javascript">
function getselectedcheckbox(valuestr){
//获得己选定CheckBox的VALUE值的函数 }
</script>
</head>
<body >
<h2>Example </h2>
<input type="checkbox" name="check" value="100" checked="true">复选1
<input type="checkbox" name="check" value="101" >复选2
<input type="checkbox" name="check" value="102" >复选3
<input type="checkbox" name="check" value="103" checked="true">复选4
<input type="checkbox" name="check" value="104" >复选5
</body>
</html>
<head>
<title>checkbox</title> <script type="text/javascript">
function getselectedcheckbox(valuestr){
//获得己选定CheckBox的VALUE值的函数 }
</script>
</head>
<body >
<h2>Example </h2>
<input type="checkbox" name="check" value="100" checked="true">复选1
<input type="checkbox" name="check" value="101" >复选2
<input type="checkbox" name="check" value="102" >复选3
<input type="checkbox" name="check" value="103" checked="true">复选4
<input type="checkbox" name="check" value="104" >复选5
</body>
</html>
<html>
<head>
<title>checkbox</title> <script type="text/javascript">
function getselectedcheckbox(){
var checkArr = document.getElementsByName("check");
var s = "";
for(var i=0;i<checkArr.length;i++) {
if(checkArr[i].checked) {
s += checkArr[i].value + ",";
}
}
alert("您选定的内容是:" + s);}
</script>
</head>
<body >
<h2>Example </h2>
<input type="checkbox" name="check" value="100" checked="true">复选1
<input type="checkbox" name="check" value="101" >复选2
<input type="checkbox" name="check" value="102" >复选3
<input type="checkbox" name="check" value="103" checked="true">复选4
<input type="checkbox" name="check" value="104" >复选5
<input type="button" id="b1" value="获取值" onclick="getselectedcheckbox()"></body>
</html>
var par;
var che=document.getElementsByName("ck");
for(var i=0; i<che.length;i++){
if(che[i].checked){
alert(che[i].value);
}
}
}