# Performance class

Inheritance
  - Object
  - EventTarget
  - Performance
Annotations
  - @SupportedBrowser(SupportedBrowser.CHROME)
  - @SupportedBrowser(SupportedBrowser.FIREFOX)
  - @SupportedBrowser(SupportedBrowser.IE)
  - @Native("Performance")

## Properties

memory → MemoryInfo
  final
navigation → PerformanceNavigation
  final
timeOrigin → num
  final
timing → PerformanceTiming
  final
hashCode → int
  The hash code for this object. [...]
  read-only, inherited
on → Events
  This is an ease-of-use accessor for event streams which should only be used when an explicit accessor is not available.
  read-only, inherited
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited

## Methods

clearMarks(String markName) → void
clearMeasures(String measureName) → void
clearResourceTimings() → void
getEntries() → List<PerformanceEntry>
getEntriesByName(String name, String entryType) → List<PerformanceEntry>
getEntriesByType(String entryType) → List<PerformanceEntry>
mark(String markName) → void
measure(String measureName, String startMark, String endMark) → void
now() → double
setResourceTimingBufferSize(int maxSize) → void
addEventListener(String type, EventListener listener, [ bool useCapture ]) → void
  inherited
dispatchEvent(Event event) → bool
  inherited
noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited
removeEventListener(String type, EventListener listener, [ bool useCapture ]) → void
  inherited
toString() → String
  Returns a string representation of this object.
  inherited

## Operators

operator ==(dynamic other) → bool
  The equality operator. [...]
  inherited

## Static Properties

supported → bool
  Checks if this type is supported on the current platform.
  read-only