日历事件提醒js

function showNotification(title, options) {
  if (!("Notification" in window)) {
    alert("此浏览器不支持桌面通知");
    return;
  }

  if (Notification.permission === "granted") {
    new Notification(title, options);
  } else if (Notification.permission!== "denied") {
    Notification.requestPermission().then(permission => {
      if (permission === "granted") {
        new Notification(title, options);
      }
    });
  }
}

// 设置提醒时间和内容
let reminderTime = new Date("2023-10-10T10:00:00");
let now = new Date();

let timeDiff = reminderTime - now;

if (timeDiff > 0) {
  setTimeout(() => {
    showNotification("日历事件提醒", { body: "这是您的提醒内容" });
  }, timeDiff);
} else {
  console.log("提醒时间已过");
}