这是代码,求指教
<script type="text/javascript">
function UpdateComm(f){
var div=document.getElementById('answer');
var num=document.getElementById('num');
var question=document.getElementById('question');
var A=document.getElementById('A');
var B=document.getElementById('B');
var C=document.getElementById('C');
var D=document.getElementById('D');
var prompt=document.getElementById('prompt');
if(f==0||f>0||f<30||f==30){
num.innerHTML=+f;
alert('<s:property value="as.multisels['+f+'].question"/>');
//question.innerHTML='<s:property value="as.multisels['+f+'].question"/>';
//A.innerHTML='${as.multisels[4].choiceA}';
//B.innerHTML='${as.multisels[4].choiceB}';
//C.innerHTML='${as.multisels[4].choiceC}';
//D.innerHTML='${as.multisels[4].choiceD}';
//prompt.innerHTML='单选题,请选择一项正确答案';
}
}
</script>