Optional
True if the last navigation in this frame was interrupted by an error, i.e. the onErrorOccurred event fired.
The ID of the frame. 0 indicates that this is the main frame; a positive value indicates the ID of a subframe.
ID of frame that wraps the frame. Set to -1 of no parent frame exists.
The ID of the process runs the renderer for this tab.
Unsupported on Firefox at this time.
The ID of the tab in which the frame is.
The URL currently associated with this frame.
True if the last navigation in this frame was interrupted by an error, i.e. the onErrorOccurred event fired.