Deno supports User Timing Level 3 which is not widely supported yet in other runtimes.
Check out the Performance API documentation on MDN for further information about how to use the API.
Methods
mark(markName: string, options?: PerformanceMarkOptions): PerformanceMark
Stores a timestamp with the associated name (a "mark").
measure(measureName: string, options?: PerformanceMeasureOptions): PerformanceMeasure
Stores the DOMHighResTimeStamp
duration between two marks along with the
associated name (a "measure").
getEntries(): PerformanceEntryList
getEntriesByName(name: string, type?: string): PerformanceEntryList
getEntriesByType(type: string): PerformanceEntryList
mark(markName: string, options?: PerformanceMarkOptions): PerformanceMark
Stores a timestamp with the associated name (a "mark").
measure(measureName: string, options?: PerformanceMeasureOptions): PerformanceMeasure
Stores the DOMHighResTimeStamp
duration between two marks along with the
associated name (a "measure").
measure(): PerformanceMeasure
measureName: string,
startMark?: string,
endMark?: string,
Stores the DOMHighResTimeStamp
duration between two marks along with the
associated name (a "measure").
type
{ readonly prototype: Performance; new (): never; }