加上集合序号!例如:
<script>
function aa(){
alert(document.form1.radiobutton[0].value)}
</script>
<body>
<form name=form1>
<input type="radio" name="radiobutton" value="qqq" onclick="aa()">
<input type="radio" name="radiobutton" value="www" onclick="aa()">
</form>
<script>
function aa(){
alert(document.form1.radiobutton[0].value)}
</script>
<body>
<form name=form1>
<input type="radio" name="radiobutton" value="qqq" onclick="aa()">
<input type="radio" name="radiobutton" value="www" onclick="aa()">
</form>
function aa(){
alert(document.form1.radiobutton[1].value)}
</script>
<body>
<form name=form1>
<input type="radio" name="radiobutton" value="qqq" onclick="aa()">
<input type="radio" name="radiobutton" value="www" onclick="aa()">
</form>
function fun1(the){
alert(the.value);
}
<form>
<input type="radio" name="radiobutton" value="11" onclick="fun1(this)">
<input type="radio" name="radiobutton" value="11" onclick="fun1(this)">
</form>