事件：'timeout'

🌐 Event: 'timeout'

当底层套接字因长时间未活动而超时时发出。 这仅通知套接字处于空闲状态。请求必须手动销毁。

🌐 Emitted when the underlying socket times out from inactivity. This only notifies that the socket has been idle. The request must be destroyed manually.

另请参见：request.setTimeout()。

🌐 See also: request.setTimeout().