Dart SDK
dart:html
MediaKeyEvent
systemCode
property
systemCode
MediaKeyEvent
Properties
defaultUrl
errorCode
initData
keySystem
message
sessionId
systemCode
matchingTarget
bubbles
cancelable
clipboardData
currentTarget
defaultPrevented
eventPhase
path
target
timeStamp
type
Methods
preventDefault
stopImmediatePropagation
stopPropagation
int
systemCode
read-only
(Not documented.)