This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The requestPersistentQuota() property of the StorageQuota interface 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.
StorageQuota.requestPersistentQuota().then(function(storageInfo) { ... }) None.
A reference to a StorageInfo object.
| Specification | Status | Comment |
|---|---|---|
| Quota Management API The definition of 'requestPersistentQuota()' in that specification. | Editor's Draft | Initial definition. |
| 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/requestPersistentQuota