IDBObjectStore: getKey()

getKey(key)

let openRequest = indexedDB.open("telemetry");
openRequest.onsuccess = (event) => {
  let db = event.target.result;
  let store = db.transaction("netlogs").objectStore("netlogs");

  let today = new Date();
  let yesterday = new Date(today);
  yesterday.setDate(today.getDate() - 1);
  let request = store.getKey(IDBKeyRange(yesterday, today));
  request.onsuccess = (event) => {
    let when = event.target.result;
    alert(` 24  ${when} `);
  };
};