In the Open Web apps JavaScript API, an App object is a JavaScript object that represents an app that is or could be installed in the user's app repository.
In the Open Web apps JavaScript API, an App object is a JavaScript object that represents an app that is or could be installed in the user's app repository.
The Battery Status API, more often referred to as the Battery API, provides information about the system's battery charge level and lets you be notified by events that are sent when the battery level or charging status change. This can be used to adjust your app's resource usage to reduce battery drain when the battery is low, or to save changes before the battery runs out in order to prevent data loss.