<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>a</title><script type="text/javascript">
function quit(){
alert("这意思？");
}
window.onUnload = quit();
</script>
</head>
<body></body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>a</title><script type="text/javascript">
function quit(){
alert("这意思？");
}
window.onUnload = quit();
</script>
</head>
<body></body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>a</title><script type="text/javascript">
function quit(){
window.location='http://www.163.com';
}
window.onUnload = quit();
</script>
</head>
<body></body>
</html>可以阿 有什么问题