History of PerformanceNavigationTiming.toJSON() Revision history for: English (US) Mar 2, 2016, 12:18:34 PM rolfedh Previous Dec 31, 2015, 6:31:42 AM AFBarstow Dec 31, 2015, 6:30:22 AM AFBarstow New reference for PerformanceNavigationTiming.toJSON() method (defined in Navigation Timing L2 ED)