代码怎么都看不出错怎么不能运行
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Math </title>
<script type="text/javascript">
function mumu(x){
document.write(Math.ceil(x)+"<br>")
}
var pp=new Array[3.3,-0.1,-9.9,8.9];
for(i=0;i<pp.length;i++){
mumu(pp[i]);
}
</script>
</head>
<body>
</body>
</html>
