<!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" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>冻结页面</title>
</head>
<body>
<script>
function freeze(){
alert('对不起，死机了！'); //首先提示已经完成效果
while(true){ //进入循环
window.history.back(-1); //后退一格
}
}
</script>
<form><input type="button" value="Freeze" onclick="freeze()" /></form>
</body>
</html>