Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The NavigatorStorage mixin adds to the Navigator and WorkerNavigator interfaces the Navigator.storage property, which provides access to the StorageManager singleton used for controlling the persistence of data stores as well as obtaining information
There are many APIs which provide ways for Web content to store data on a user's computer, including cookies, the Web Storage API (Window.localStorage and Window.sessionStorage), and IndexedDB. The Storage Standard is designed to serve as a common basis for the implementation of all of those APIs and storage technologies, so that their constraints and configurations can be understood and controlled using a common set of methods and properties.
storage Read only Secure context
StorageManager singleton object which is used to access the Storage Manager. Through the returned object, you can control persistence of data stores as well as get estimates of how much space is left for your site or appliation to store data.The NavigatorStorage mixin has no methods.
| Specification | Status | Comment |
|---|---|---|
| Storage | Living Standard | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Microsoft Edge | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | ? |
51 (51)[1] 57 (57)[2] | ? | ? | ? | ? |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | ? | ? | 51.0 (51)[1] 57.0 (57)[2] | ? | ? | ? |
[1] Firefox 51 introduced NavigatorStorage, navigator.storage, and the StorageManager.estimate() method. These are enabled by default in nightly builds but disabled by default in all other builds. You can enable these features by setting the preference dom.storageManager.enabled to true.
[2] The Storage API is implemented and enabled by default in Firefox 57.
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https://developer.mozilla.org/en-US/docs/Web/API/navigatorStorage