The PerformanceNavigation.type read-only property returns an unsigned short containing a constant describing how the navigation to this page was done. Possible values are:
Value
Constant name
Meaning
0
TYPE_NAVIGATE
The page was accessed by following a link, a bookmark, a form submission, a script, or typing the URL in the address bar.
1
TYPE_RELOAD
The page was accessed by clicking the Reload button or via the Location.reload() method.
2
TYPE_BACK_FORWARD
The page was accessed by navigating into the history.