NavigatorStorage mixin adds to the
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.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.
storageRead only Secure context
- Returns the
StorageManagersingleton 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.
NavigatorStorage mixin has no methods.
|Storage||Living Standard||Initial definition.|
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Microsoft Edge||Opera||Safari|
|Basic support||?||51 (51)
|Feature||Android||Chrome for Android||Firefox Mobile (Gecko)||IE Mobile||Opera Mobile||Safari Mobile|
|Basic support||?||?||51.0 (51)
 Firefox 51 introduced
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
 The Storage API is implemented and enabled by default in Firefox 57.