Closes the pop-up window referenced by the popup property when it's safe to do so
popup
Indicates when it's safe to access sthe properties of the pop-up window from within the opening or parent Relativity Form
false if pop-up window is already closed or if accessing the properties of the pop-up window would cause exceptions, true otherwise
false
true
Represents the Window object returned from a window.open function call
window.open
Closes the pop-up window referenced by the
popupproperty when it's safe to do so