This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.
getDeviceStorages method is used to access individual storage areas available on the device. This method return an
DeviceStorage objects, one per physical storage area. Each storage area will have a name, retrievable using the
.storageName attribute (see below).
Note: To be able to use a storage area, the application must declare it in its application manifest. For example, if the application wants to access the
sdcard storage area, it must have the "
device-storage:sdcard" permission in its manifest.
var areas = navigator.getDeviceStorages(storageName);
- The name of the targeted storage area. Firefox OS supports the following areas:
apps: This storage area is used to store the user data needed by apps. As it is critical data, accessing this storage area requires some extra privileges and is available for certified applications only.
music: This is the storage area where music and sounds are stored.
pictures: This is the storage area where pictures are stored.
sdcard: This is the storage area that gives access to the device's SDCards.
videos: This is the storage area where videos are stored.
var sdcards = navigator.getDeviceStorages("sdcard"); console.log("There are " + sdcards.length + " SDCards available.");
Not part of any specification.