ReadonlyentryThe entry read-only property of the NavigationActivation interface contains a NavigationHistoryEntry object representing the history entry for the inbound ("to") document in the navigation. This is equivalent to the Navigation.currentEntry property at the moment the inbound document was activated.
ReadonlyfromThe from read-only property of the NavigationActivation interface contains a NavigationHistoryEntry object representing the history entry for the outgoing ("from") document in the navigation.
ReadonlynavigationThe navigationType read-only property of the NavigationActivation interface contains a string indicating the type of navigation.
The
NavigationActivationinterface of the Navigation API represents a recent cross-document navigation. It contains the navigation type and outgoing and inbound document history entries.MDN Reference