`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