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onclose event

Fires when a WebSocket connection is closed.


Event Property object.onclose = handler;
addEventListener Method object.addEventListener("close", handler, useCapture)


Event handler parameters

handler [in]

Type: Function

Event handler to call when the WebSocket is closed..


When a WebSocket is closed, the onclose event will return three attributes:

  • wasClean - boolean - When true, the connection closed normally and as expected.
  • code - unsigned long - Status code from the server. For more info on the codes, see RFC 6455 section 7.4.1.
  • reason - text - reason provided by the server.

See also




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