if (window.Notification) { var popNotice = function() { if (Notification.permission == "granted") { var notification = new Notification("信息" , { body:"你好", // icon:图片地址, } ); notification.onclick = function() { notification.close(); }; } }; if (Notification.permission == "granted") { popNotice(); } else if (Notification.permission != "denied") { Notification.requestPermission(function (permission) { popNotice(); }); } } else { alert(\'浏览器不支持Notification\');