Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
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 Deprecated
-
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 Deprecated
-
An unsigned short
representing the number of REDIRECTs done before reaching the page.
The Performance
interface doesn't inherit any methods.
-
PerformanceNavigation.toJSON()
Deprecated
-
A serializer returning a JSON object representing the PerformanceNavigation
object.
This feature is no longer on track to become a standard, as the Navigation Timing specification has marked it as deprecated. Use the PerformanceNavigationTiming
interface instead.