NavigationHistoryEntry: index property
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
  The index read-only property of the
  NavigationHistoryEntry interface returns the index of the history entry in the history entries list (that is, the list returned by Navigation.entries()), or -1 if the entry does not appear in the list.
Value
A number representing the index of the entry in the history entries list, or -1 if this item does not appear in the list.
Examples
js
const current = navigation.currentEntry;
console.log(current.index);
Specifications
| Specification | 
|---|
| Unknown specification  # dom-navigationhistoryentry-index  | 
Browser compatibility
BCD tables only load in the browser