if (window.Notification) {
  var button = document.getElementById("button"),
    text = document.getElementById("text");

  var popNotice = function() {
    if (Notification.permission == "granted") {
      var notification = new Notification("Hi，帅哥：", {
        body: "可以加你为好友吗？",
        icon: "https://www.cdsy.xyz/d/file/computer/programme/html_div_css/2025-11-29/a518844952aeaf1f471c4558e7cad43a.jpg"
      });
    }
  };

  button.onclick = function() {
    if (Notification.permission == "granted") {
      popNotice();
    } else if (Notification.permission != "denied") {
      Notification.requestPermission(function(permission) {
        popNotice();
      });
    }
  };
} else {
  alert("浏览器不支持Notification");
}