IDBObjectStore

// 
const DBOpenRequest = window.indexedDB.open("toDoList", 4);

DBOpenRequest.onsuccess = (event) => {
  note.innerHTML += "<li></li>";

  //  db 
  db = DBOpenRequest.result;
};

// 
//  window.indexedDB.open 
// 
// 
DBOpenRequest.onupgradeneeded = (event) => {
  const db = event.target.result;

  db.onerror = (event) => {
    note.innerHTML +=
      "<li></li>";
  };

  //  objectStore 

  const objectStore = db.createObjectStore("toDoList", {
    keyPath: "taskTitle",
  });

  // objectStore 

  objectStore.createIndex("hours", "hours", { unique: false });
  objectStore.createIndex("minutes", "minutes", { unique: false });
  objectStore.createIndex("day", "day", { unique: false });
  objectStore.createIndex("month", "month", { unique: false });
  objectStore.createIndex("year", "year", { unique: false });

  objectStore.createIndex("notified", "notified", { unique: false });

  note.innerHTML += "<li></li>";
};

// 
const newItem = [
  {
    taskTitle: "Walk dog",
    hours: 19,
    minutes: 30,
    day: 24,
    month: "December",
    year: 2013,
    notified: "no",
  },
];

// 
const transaction = db.transaction(["toDoList"], "readwrite");

// 
transaction.oncomplete = (event) => {
  note.innerHTML += "<li></li>";
};

transaction.onerror = (event) => {
  note.innerHTML +=
    "<li></li>";
};

// 
const objectStore = transaction.objectStore("toDoList");
//  newItem 
const objectStoreRequest = objectStore.add(newItem[0]);

objectStoreRequest.onsuccess = (event) => {
  note.innerHTML += "<li></li>";
};