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Non-standard
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.
This API is available on Firefox OS for privileged or certified applications only.
Summary
The DeviceStorageChangeEvent provides information about any change made to a file inside a given storage area. It extends the Event interface.
The change event is triggered each time a file is created, modified, or deleted from the device storage system.
Properties
DeviceStorageChangeEvent.pathRead only- A string giving the full path of the file affected by the change.
DeviceStorageChangeEvent.reasonRead only- A string giving the reason of the change. Possible values are
created,modified, ordeleted.
Example
var sdcard = navigator.getDeviceStorage('sdcard');
sdcard.addEventListener("change", function (event) {
var reason = event.reason;
var path = event.path;
console.log('The file "' + path + '" has been ' + reason);
});Specification
Not part of any specification.