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StorageQuota

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The storageQuota property of the Navigator interface of the 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.		 Editor's Draft Initial definition.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 55.0 ? ? 42 ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 55.0 ? ? ? 42 ? 55.0

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