This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
Sets up a callback function to be called whenever an app is installed or removed from the repository.
id = navigator.mozApps.mgmt.watchUpdates( onupdate )
- A callback function that is called whenever an app is installed or removed. It is called with two parameters:
updateType: either "
add" or "
changedApps: an array of app objects that have been installed or removed.
long that can be used to clear this watch using