Dart API Reference
dart:html
Window
postMessage
postMessage
method
Sends a cross-origin message.
@DomName('Window.postMessage')
@DocsEditable()
void
postMessage
(
message
,
String
targetOrigin
,
[
List
<
MessagePort
>
transfer
]
)
Sends a cross-origin message.
Other resources
window.postMessage
from MDN.
Cross-document messaging
from WHATWG.