CloseEventinterface CloseEvent extends Event {readonly code: number;readonly reason: string;readonly wasClean: boolean;}var CloseEvent: {readonly prototype: CloseEvent; new (type: string, eventInitDict?: CloseEventInit): CloseEvent; };§Extends§Event[src]§Properties§readonly code: number[src]Returns the WebSocket connection close code provided by the server. §readonly reason: string[src]Returns the WebSocket connection close reason provided by the server. §readonly wasClean: boolean[src]Returns true if the connection closed cleanly; false otherwise.