<form name=form1>
<input type=radio name=r1 onClick="clicked()">r1
</form><script>
function clicked()
{
alert( form1.radio.checked );
}
</script>
<input type=radio name=r1 onClick="clicked()">r1
</form><script>
function clicked()
{
alert( form1.radio.checked );
}
</script>
<html><head><title>New Page 1</title>
</head>
<script>
function check()
{
for(var counter=0;counter<=f1.elements.length-1;counter++)
{
if(!f1.elements[counter].checked)
{
f1.elements[counter].checked=true
}
else
{
f1.elements[counter].checked=false }
}
}
</script>
<body>
<form name="f1" method="POST" action="--WEBBOT-SELF--"> <p><input type="checkbox" name="c1" value="ON">
<input type="checkbox" name="c2" value="ON">
<input type="checkbox" name="c3" value="ON">
</p>
<p><input type="button" value="按钮" name="B3" onClick="check()">
</p>
<p> </p>
</form></body></html>
<input type=radio name=r1 value="1">1
<input type=radio name=r1 value="2">2
<input type=radio name=r1 value="3">3
<input type=radio name=r1 value="4">4<input type=submit value="提交">
</form><script>
function clicked()
{
var Value='';
for(var x=0;x<form1.r1.length;x++)
{
if(form1.r1[x].checked) //如果选中
Value=form1.r1[x].value;
}
alert(Value);
}
</script>
<form>
<input type=radio name=r1 value="1">1
<input type=radio name=r1 value="2">2
<input type=radio name=r1 value="3">3
<input type=radio name=r1 value="4">4
<input type=button value="check" onclick='check(this.form)'>
</form>
<script>
function check(obj)
{
var coll = obj.r1;
for(var i = 0; i < coll.length; i++)
if(coll[i].checked)
{
alert("你选中了第" + (i+1) + "个!");
return false;
}
alert("未选择!");
}
</script>
<form id="Form1" method="post" runat="server">
<INPUT id="rb" name=rb type="radio">
<INPUT onclick ="if(document.Form1.rb.checked) alert('选中了!');else alert('没选中!')" type="button" value="判断">
</form>
</body>