Baseline Widely available *
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The StorageManager
interface of the Storage API provides an interface for managing persistence permissions and estimating available storage. You can get a reference to this interface using either navigator.storage
or WorkerNavigator.storage
.
StorageManager.estimate()
Returns a Promise
that resolves to an object containing usage and quota numbers for your origin.
StorageManager.getDirectory()
Used to obtain a reference to a FileSystemDirectoryHandle
object allowing access to a directory and its contents, stored in the origin private file system. Returns a Promise
that fulfills with a FileSystemDirectoryHandle
object.
StorageManager.persist()
Returns a Promise
that resolves to true
if the user agent is able to persist your site's storage.
StorageManager.persisted()
Returns a Promise
that resolves to true
if persistence has already been granted for your site's storage.
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