Instance methods

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.

Specifications

Browser compatibility