PerformanceMeasure is an abstract interface for PerformanceEntry objects
with an entryType of "measure". Entries of this type are created by calling
performance.measure() to add a named DOMHighResTimeStamp (the measure)
between two marks to the performance timeline.
variable PerformanceMeasure
PerformanceMeasure is an abstract interface for PerformanceEntry objects
with an entryType of "measure". Entries of this type are created by calling
performance.measure() to add a named DOMHighResTimeStamp (the measure)
between two marks to the performance timeline.
readonly
prototype: PerformanceMeasure