ExtendableMessageEventInit
fun
ExtendableMessageEventInit
(
data
:
Any
?
=
undefined
,
origin
:
String
?
=
undefined
,
lastEventId
:
String
?
=
undefined
,
source
:
UnionClientOrMessagePortOrServiceWorker
?
=
undefined
,
ports
:
Array
<
MessagePort
>
?
=
undefined
,
bubbles
:
Boolean
?
=
false
,
cancelable
:
Boolean
?
=
false
,
composed
:
Boolean
?
=
false
)
:
ExtendableMessageEventInit
(source)