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Important: The synchronous version of the IndexedDB API was originally intended for use only with Web Workers, and was eventually removed from the spec because its need was questionable. It may however be reintroduced in the future if there is enough demand from web developers.

The IDBFactorySync interface of the IndexedDB API provide a synchronous means of accessing the capabilities of indexed databases.

Method overview

IDBDatabaseSync open (in DOMString name, in DOMString description, in optional boolean modifyDatabase) raises (IDBDatabaseException);



Opens and returns a connection to a database. Blocks the calling thread until the connection object is ready to return. If there is already a database with the specified name, it uses that one; otherwise, it creates the database using the specified name and description.

IDBDatabaseSync open (
  in DOMString name, 
  in DOMString description
) raises (IDBDatabaseException);
The name for the database.
The description for the database.
An object to access the open database.

This method can raise an IDBDatabaseException with the following codes:

If the name parameter is not valid. A valid name is any string including the empty string.
If an error occurs while the database is being opened.

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