如题，js获取浏览器关闭状态，可实现判断选择是否关闭。
<html>
<head>
<title>
</title>
</head>
<body>
这是一个页面,点击浏览器关闭触发事件
</body>
<script>
var name = "张三";
window.onbeforeunload = onbeforeunload_handler;
window.onunload = onunload_handler;
function onbeforeunload_handler() {
var warning = "确认退出?";
return warning;
} function onunload_handler() {
var warning = "谢谢光临";
alert(warning);
}
</script>
</html>