Parameters for window.isFullscreen. Report whether a window is fullscreen.
window.isFullscreen
Optional
Target window: main or a popup id; omitted or empty, the calling window. There is no fallback to the main window: a caller that is not one of the plugin's windows fails with NOT_FOUND, and a DUI/CUI panel with PANEL_MODE_UNSUPPORTED.
main
NOT_FOUND
PANEL_MODE_UNSUPPORTED
Parameters for
window.isFullscreen. Report whether a window is fullscreen.