This property is deprecated in the Navigation Timing Level 2 specification.
.navigation read-only property returns a
PerformanceNavigation object representing the type of navigation that occurs in the given browsing context, such as the number of redirections needed to fetch the resource.
This property is not available in workers.
navObject = performance.navigation;
The definition of 'Performance.navigation' in that specification.
Performanceinterface it belongs to.