为啥用这种方法能实现但是为什么出现index。html错误呢？
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>数组赋值</title>
<script language="javascript">
var myarr=[88,90,68]
document.write("数组第一个值是:"+myarr[0]+"<br>");
document.write("数组第二个值是:"+myarr[1]+"<br>");
document.write("数组第三个值是:"+myarr[2]+"<br>");
</script>
</head>
<body>
</body>
</html>
