Definition
User Timing defines PerformanceMeasure
[Exposed=(Window,Worker)]
interface PerformanceMeasure : PerformanceEntry {
  readonly attribute any detail;
};PerformanceMeasure interfaceUser Timing defines PerformanceMeasure
[Exposed=(Window,Worker)]
interface PerformanceMeasure : PerformanceEntry {
  readonly attribute any detail;
};PerformanceMeasure