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