1. 属性
  2. binaryType
  3. bufferedAmount
  4. bufferedAmountLowThreshold
  5. hashCode
  6. id
  7. label
  8. maxRetransmits
  9. maxRetransmitTime
  10. negotiated
  11. on
  12. onClose
  13. onError
  14. onMessage
  15. onOpen
  16. ordered
  17. protocol
  18. readyState
  19. reliable
  20. runtimeType
  21. 方法
  22. addEventListener
  23. close
  24. dispatchEvent
  25. noSuchMethod
  26. removeEventListener
  27. send
  28. sendBlob
  29. sendByteBuffer
  30. sendString
  31. sendTypedData
  32. toString
  33. 操作符
  34. 操作符 ==
  35. 常量
  36. closeEvent
  37. errorEvent
  38. messageEvent
  39. openEvent