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StorageQuota

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The storageQuota property of the Navigator interface of the Quota Management API provides means to query and request storage usage and quota information. You can get a reference to this interface using Navigator.storageQuota.

Properties

StorageQuota.supportedTypes Read only
Returns a list of the available storage types.

Methods

StorageQuota.queryInfo
Returns a StorageInfo object containting the current data usage and available quota information for the application.
StorageQuota.requestPersistentQuota
Requests persistent storage for the requesting application and returns a Promise to an instance of StorageInfo. There is no guarantee that the requested space will be granted by the user agent.

Specifications

Specification Status Comment
Quota Management API
The definition of 'storageQuota' in that specification.		 Obsolete Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 14 ? ? ? ? ?
queryInfo 14 ? ? ? ? ?
requestPersistentQuota 14 ? ? ? ? ?
supportedTypes 14 ? ? ? ? ?
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support ? ? ? ? ? ? ?
queryInfo ? ? ? ? ? ? ?
requestPersistentQuota ? ? ? ? ? ? ?
supportedTypes ? ? ? ? ? ? ?

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https://developer.mozilla.org/en-US/docs/Web/API/StorageQuota