class PerformanceMark extends PerformanceEntry
Exposes marks created via the Performance.mark() method.
P
performanceMark.detail
History
Added in: v16.0.0
v16.0.0
This property getter must be called with the
PerformanceMark object as the receiver.v19.0.0
Type:
anyAdditional detail specified when creating with Performance.mark() method.