method Server.prototype.once
#Server.prototype.once(event: string,listener: (...args: any[]) => void,): this
#Server.prototype.once(event: "close",listener: () => void,): this
#Server.prototype.once(event: "error",listener: (err: Error) => void,): this
#Server.prototype.once(event: "listening",listener: () => void,): this
#Server.prototype.once(event: "drop",listener: (data?: DropArgument) => void,): this
Parameters #
#event: "drop"
#listener: (data?: DropArgument) => void
Return Type #
this