Readonly eventReadonly navigationReadonly timeReadonly timingOptional options: boolean | AddEventListenerOptionsOptional options: boolean | AddEventListenerOptionsDispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise.
Optional type: stringOptional markOptions: PerformanceMarkOptionsOptional startOrMeasureOptions: string | PerformanceMeasureOptionsOptional endMark: stringOptional options: boolean | EventListenerOptionsOptional options: boolean | EventListenerOptions
Provides access to performance-related information for the current page. It's part of the High Resolution Time API, but is enhanced by the Performance Timeline API, the Navigation Timing API, the User Timing API, and the Resource Timing API.
MDN Reference