1. Dart
2. dart:html
3. Client
4. postMessage method

##### Client class

1. Properties
2. frameType
3. id
4. type
5. url
6. hashCode
7. runtimeType
8. Methods
9. postMessage
10. noSuchMethod
11. toString
12. Operators
13. operator ==

# postMessage method

void postMessage (Object message, [ List<Object> transfer ])

## Implementation

    void postMessage(Object message, [List<Object> transfer]) native;