Parameters for window.confirmClose. Let the calling popup close after it received window:beforeClose; ignored when no close is pending. Fails with NOT_FOUND when the caller is not a popup.
window.confirmClose
window:beforeClose
NOT_FOUND
Parameters for
window.confirmClose. Let the calling popup close after it receivedwindow:beforeClose; ignored when no close is pending. Fails withNOT_FOUNDwhen the caller is not a popup.