<html><head><title>獲取單選框的值</title><script language="javascript" type="text/javascript">
function test(){
function test()
var commend = theForm.commend.value;
for(var i=0;i<theForm.commend.length;i++){
if(theForm.commend[i].checked==true){ commend = theForm.commend[i].value; break;
} } alert("單選框的值爲:"+commend);
}</script></head><body><form name="form" onsubmit="test()"> <input type="radio" name="commend" value="1">正確 <input type="radio" name="commend" value="0">錯誤 <input type="submit" ></form></body></html>如果是已知的單選框的順序，那就可以直接用radio[i].value來獲取它的值，而不用循環了。