<html>
<head>
<script LANGUAGE="JavaScript">
<!--
var starttime=new Date().getTime();
//-->
</script>
</head>
<body>
计算页面下载时间，执行循环<br>
<script LANGUAGE="JavaScript">
<!--
for(i=1;i<=150;i++)
if(i%15==0){
document.write(i+"<br>")
}
else{
document.write(i+" ")
}
//-->
</script>
</body>
<script LANGUAGE="JavaScript">
<!--
alert("本页面下载时间" + (new Date().getTime()-starttime) + "毫秒!");
//-->
</script>
</html>