IDBFactory.databases

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

const promise = indexedDB.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

This method may raise a DOMException of the following types:

Attribute Description
SecurityError The method is called from an opaque origin.
Other error Specification does not describe all possible errors.

Example

const promise = indexedDB.databases()
promise.then(databases => {
  console.log(databases)
})

Specifications

Specification Status Comment
Indexed Database API 2.0
The definition of 'databases()' in that specification.
Recommendation Initial definition.

Browser compatibility

BCD tables only load in the browser

See also