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.supportedTypesRead only- Returns a list of the available storage types.
Methods
StorageQuota.queryInfo- Returns a
StorageInfoobject containting the current data usage and available quota information for the application. StorageQuota.requestPersistentQuota- Requests persistent storage for the requesting application and returns a
Promiseto an instance ofStorageInfo. 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 compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
StorageQuota | Chrome Full support 14 | Edge Full support ≤79 | Firefox ? | IE ? | Opera ? | Safari ? | WebView Android Full support 37 | Chrome Android Full support 18 | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 1.0 |
queryInfo | Chrome Full support 14 | Edge Full support ≤79 | Firefox ? | IE ? | Opera ? | Safari ? | WebView Android Full support 37 | Chrome Android Full support 18 | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 1.0 |
requestPersistentQuota | Chrome Full support 14 | Edge Full support ≤79 | Firefox ? | IE ? | Opera ? | Safari ? | WebView Android Full support 37 | Chrome Android Full support 18 | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 1.0 |
supportedTypes | Chrome Full support 14 | Edge Full support ≤79 | Firefox ? | IE ? | Opera ? | Safari ? | WebView Android Full support 37 | Chrome Android Full support 18 | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 1.0 |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.