files/en-us/web/api/idbdatabase/objectstorenames/index.md
{{ APIRef("IndexedDB") }} {{AvailableInWorkers}}
The objectStoreNames read-only property of the
{{domxref("IDBDatabase")}} interface is a {{ domxref("DOMStringList") }} containing a
list of the names of the object stores currently in the connected database.
A {{ domxref("DOMStringList") }} containing a list of the names of the object stores currently in the connected database.
// Let us open our database
const DBOpenRequest = window.indexedDB.open("toDoList", 4);
// these two event handlers act on the database being opened successfully, or not
DBOpenRequest.onerror = (event) => {
note.appendChild(document.createElement("li")).textContent =
"Error loading database.";
};
DBOpenRequest.onsuccess = (event) => {
note.appendChild(document.createElement("li")).textContent =
"Database initialized.";
// store the result of opening the database in the db variable. This is used a lot below
db = DBOpenRequest.result;
// This line will log the names of the object stores of the connected database, which should be
// an object that looks like { ['my-store-name'] }
console.log(db.objectStoreNames);
};
{{Specifications}}
{{Compat}}