1. Dart
2. dart:html
3. MessageChannel
4. MessageChannel factory constructor

##### MessageChannel class

1. Constructors
2. MessageChannel
3. Properties
4. hashCode
5. port1
6. port2
7. runtimeType
8. Methods
9. noSuchMethod
10. toString
11. Operators
12. operator ==

description

# MessageChannel constructor Null safety

MessageChannel()

## Implementation

    factory MessageChannel() {
      return MessageChannel._create_1();
    }