The hashchange event fires when a window's hash changes (see location.hash).
The WindowEventHandlers.onstorage property contains an event handler that runs when the storage event fires. This occurs when a storage area is changed (e.g. a new item is stored.)
The unload event is raised when the window is unloading its content and resources. The resources removal is processed after the unload event occurs.
The Window.onrejectionhandled property is an event handler for processing rejectionhandled events, which are raised when Promises are rejected.
The Window.onunhandledrejection property is an event handler for processing unhandledrejection events, which are raised for unhandled Promise rejections.