為什么沒有輸出
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Array對象 </title>
<script type="text/javascript">
? ?function sortNum(a,b) {
? ? ?return b-a;
? ?}
var myarr = new Array("80","16","50","6","100","1");
document.write(myarr.sort(sortNum);
</script>
</head>
<body>
</body>
</html>
2018-08-22
輸出那行最后少了個(gè)括號(hào)