HTML5 Notification（桌面提醒）功能使用实例

window.webkitNotifications

requestPermission 请求桌面通知
checkPermission 检查桌面通知许可（PERMISSION_ALLOWED = 0, PERMISSION_NOT_ALLOWED = 1, PERMISSION_DENIED = 2）
createNotification 创建桌面通知

if(window.webkitNotifications){
if(window.webkitNotifications.checkPermission()==0){
setInterval(function(){
var popup = window.webkitNotifications.createNotification("avator.jpg","如花温馨提醒：","长时间面对电脑眼睛会瞎的，休息一下~！");
popup.show();
},1000 * 60 * 20);</p> <p> }else{
window.webkitNotifications.requestPermission();
}
}else{
alert('浏览器不支持桌面通知～！');
}