performanceMark top-level property
dynamic
get
performanceMark
PerformanceMark is an abstract interface for PerformanceEntry objects with an entryType of "mark". Entries of this type are created by calling performance.mark() to add a named DOMHighResTimeStamp (the mark) to the browser's performance timeline.
Implementation
_i2.dynamic get performanceMark => _i4.getProperty(
_self,
'PerformanceMark',
);