PerformanceTiming
deprecatedA legacy interface kept for backwards compatibility and contains properties that offer performance timing information for various events which occur during the loading and use of the current page. You get a PerformanceTiming object describing your page using the window.performance.timing property.
@deprecated
This interface is deprecated in the Navigation Timing Level 2 specification. Please use the PerformanceNavigationTiming interface instead.
interface PerformanceTiming {
readonly connectEnd: number;
readonly connectStart: number;
readonly domainLookupEnd: number;
readonly domainLookupStart: number;
readonly domComplete: number;
readonly domContentLoadedEventEnd: number;
readonly domContentLoadedEventStart: number;
readonly domInteractive: number;
readonly domLoading: number;
readonly fetchStart: number;
readonly loadEventEnd: number;
readonly loadEventStart: number;
readonly navigationStart: number;
readonly redirectEnd: number;
readonly redirectStart: number;
readonly requestStart: number;
readonly responseEnd: number;
readonly responseStart: number;
readonly secureConnectionStart: number;
readonly unloadEventEnd: number;
readonly unloadEventStart: number;
toJSON(): any;
}var PerformanceTiming: {
prototype: PerformanceTiming;
new (): PerformanceTiming;
};