IDBFactory: databases() method
The databases
method of the IDBFactory
interface returns a list representing all the available databases, including their names and versions.
Note: This feature is available in Web Workers
Note: This method is introduced in a draft of a specifications and browser compatibility is limited.
Syntax
js
databases()
Parameters
The method does not take in any parameters.
Return value
A promise that resolves either to an error or a list of dictionaries, each with two elements, name
and version
:
name
-
The database name.
version
-
The database version.
Exceptions
SecurityError
DOMException
-
Thrown if the method is called from an opaque origin.
Examples
js
const promise = indexedDB.databases();
promise.then((databases) => {
console.log(databases);
});
Specifications
Specification |
---|
Indexed Database API 3.0 # ref-for-dom-idbfactory-databases① |
Browser compatibility
BCD tables only load in the browser
See also
- Using IndexedDB
- Starting transactions:
IDBDatabase
- Using transactions:
IDBTransaction
- Setting a range of keys:
IDBKeyRange
- Retrieving and making changes to your data:
IDBObjectStore
- Using cursors:
IDBCursor
- Reference example: To-do Notifications (View the example live).