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    This article is in need of a technical review.

    The deleteObjectStore() method of the IDBDatabase interface destroys the object store with the given name in the connected database, along with any indexes that reference it.

    As with createObjectStore, this method can be called only within a versionchange transaction. So for WebKit browsers you must call the IDBVersionChangeRequest.setVersion method first before you can remove any object store or index.






    This method may raise a DOMException with a DOMError of one of the following types:

    Exception Description
    InvalidStateError The method was not called from a versionchange transaction callback. For WebKit browsers, you must call IDBVersionChangeRequest.setVersion first. Also occurs if a request is made on a source object that has been deleted or removed.
    NotFoundError You are trying to delete an object store that does not exist. Names are case sensitive.


    In this example we open a database then, in the onupdateneeded event handler, create a new object store using createObjectStore. At the end of the block we then delete that object store again using deleteObjectStore().

      // Let us open our database
      var DBOpenRequest ="toDoList", 4);
      // This event handles the event whereby a new version of the database needs to be created
      // Either one has not been created before, or a new version number has been submitted via the
      // line above
      //it is only implemented in recent browsers
      DBOpenRequest.onupgradeneeded = function(event) {
        var db =;
        db.onerror = function(event) {
          note.innerHTML += '<li>Error loading database.</li>';
        // Create an objectStore for this database
        var objectStore = db.createObjectStore("toDoList", { keyPath: "taskTitle" });
        // define what data items the objectStore will contain
        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>Object store created.</li>';
        // Delete the object store again!


    The name of the data store to delete.


    Specification Status Comment
    Indexed Database API
    The definition of 'deleteObjectStore()' in that specification.
    Candidate Recommendation  

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
    Basic support 23webkit
    10 moz
    16.0 (16.0)
    10, partial 15 7.1
    Feature Android Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
    Basic support 4.4 22.0 (22.0) 1.0.1 10 22 Not supported

    See also

    Document Tags and Contributors

    Contributors to this page: fscholz, chrisdavidmills
    Last updated by: fscholz,