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Dart
dart:html
ExtendableMessageEvent
origin property
origin
brightness_4
description
origin
property
Null safety
String
?
origin
Implementation
String? get origin native;
Dart
dart:html
ExtendableMessageEvent
origin property
ExtendableMessageEvent class
Properties
bubbles
cancelable
composed
currentTarget
data
defaultPrevented
eventPhase
hashCode
isTrusted
lastEventId
matchingTarget
origin
path
ports
runtimeType
source
target
timeStamp
type
Methods
composedPath
noSuchMethod
preventDefault
stopImmediatePropagation
stopPropagation
toString
waitUntil
Operators
operator ==
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