Interface IDBFactory

    In the following code snippet, we make a request to open a database, and include handlers for the success and error cases. For a full working example, see our To-do Notifications app (view example live.)

    MDN Reference

    interface IDBFactory {
        cmp(first: any, second: any): number;
        databases(): Promise<IDBDatabaseInfo[]>;
        deleteDatabase(name: string): IDBOpenDBRequest;
        open(name: string, version?: number): IDBOpenDBRequest;
    }

    Methods

    • Compares two values as keys. Returns -1 if key1 precedes key2, 1 if key2 precedes key1, and 0 if the keys are equal.

      Throws a "DataError" DOMException if either input is not a valid key.

      MDN Reference

      Parameters

      • first: any
      • second: any

      Returns number

    • Attempts to delete the named database. If the database already exists and there are open connections that don't close in response to a versionchange event, the request will be blocked until all they close. If the request is successful request's result will be null.

      MDN Reference

      Parameters

      • name: string

      Returns IDBOpenDBRequest

    • Attempts to open a connection to the named database with the current version, or 1 if it does not already exist. If the request is successful request's result will be the connection.

      MDN Reference

      Parameters

      • name: string
      • Optionalversion: number

      Returns IDBOpenDBRequest