Interface PerformanceObserver
interface PerformanceObserver {
disconnect(): void;
observe(options?: PerformanceObserverInit): void;
takeRecords(): PerformanceEntryList;
}
disconnect(): void;
observe(options?: PerformanceObserverInit): void;
takeRecords(): PerformanceEntryList;
}
 Index
Methods
 Methods
disconnect
observe
- observe(options?: PerformanceObserverInit): void
- Parameters- Optionaloptions: PerformanceObserverInit
 - Returns void
takeRecords 
- takeRecords(): PerformanceEntryList
- Returns PerformanceEntryList
MDN Reference