method WebSocket.addEventListener
WebSocket.addEventListener<K extends keyof WebSocketEventMap>(type: K,listener: (this: WebSocket,ev: WebSocketEventMap[K],) => any,options?: boolean | AddEventListenerOptions,): voidDeprecated
K extends keyof WebSocketEventMaptype: Klistener: (this: WebSocket,ev: WebSocketEventMap[K],) => anyoptional
options: boolean | AddEventListenerOptionsvoidWebSocket.addEventListener(type: string,listener: EventListenerOrEventListenerObject,options?: boolean | AddEventListenerOptions,): voidDeprecated
listener: EventListenerOrEventListenerObjectoptional
options: boolean | AddEventListenerOptionsvoid