# SocketTask.onClose(function callback)
with Promise style call: Not supported
Mini Program plugin: Support
to monitor WebSocket Connection Closure Event
# parameter
# function callback
WebSocket Callback function for connection closure event
# parameter
# Object res
| attribute | type | Introductions |
|---|---|---|
| code | number | A numeric value represents the status number for which the connection was closed and indicates why the connection is closed. |
| reason | string | A human-readable string representing the reason the connection was closed. |