<head>
<title>让你的网页源代码不可见</title>
<script>
function clear(){
Source=document.body.firstChild.data;
document.open();
document.close();
document.title="没有源码";
document.body.innerHTML=Source;
}</script>
</head>
<body onload=clear()>
<!--
<marquee>很不错吧？让你的网页看不到源代码？</marquee>
-->
</body>
</html>