[求助]我的这段代码有错误吗?
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>新建网页 1</title>
<!--
function phone(name,phonene,site){
this.name=name;
this.phonene=phonene;
this.site=site;
this.rate=0.3;
}
function calcfee(usedtime){
return(usedtime*this.rate);
}
//-->
</head>
<body bgcolor=yellow>
<script language=javascript>
<!--
var elapsed=eval(prompt("请输入本月电话使用时间:",""));
var myphone = new phone("张长富","010123456789","北京市海淀区");
myphone.calc=calcfee;
var fee=myphone.calc(elapsed);
document.writeln("<b>"+myphone.name+"<br>"+myphone.phonene+"<br>"+myphnoe.site+"<br>"+"本月的使用费用:"+fee)
//-->
</script>
</body>
</html>