PerformanceNavigation

The legacy PerformanceNavigation interface represents information about how the navigation to the current document was done.

An object of this type can be obtained by calling the Performance.navigation read-only attribute.

The PerformanceNavigation interface doesn't inherit any properties.

PerformanceNavigation.type Read only

An unsigned short which indicates how the navigation to this page was done. Possible values are:

TYPE_NAVIGATE (0)

The page was accessed by following a link, a bookmark, a form submission, or a script, or by typing the URL in the address bar.

TYPE_RELOAD (1)

The page was accessed by clicking the Reload button or via the Location.reload() method.

TYPE_BACK_FORWARD (2)

The page was accessed by navigating into the history.

TYPE_RESERVED (255)

Any other way.

PerformanceNavigation.redirectCount Read only

An unsigned short representing the number of REDIRECTs done before reaching the page.

The Performance interface doesn't inherit any methods.

PerformanceNavigation.toJSON()

Is a jsonizer returning a json object representing the PerformanceNavigation object.

• The Performance that allows access to an object of this type.
• PerformanceNavigationTiming (part of Navigation Timing Level 2)