Web Reference for WebSocket.addEventListener

method WebSocket.addEventListener



WebSocket.addEventListener<K extends keyof WebSocketEventMap>(type: K,
listener: (this: WebSocket,
ev: WebSocketEventMap[K],
) => any,
options?: boolean | AddEventListenerOptions,
): void

Type Parameters



K extends keyof WebSocketEventMap

Parameters



type: K



listener: (this: WebSocket,
ev: WebSocketEventMap[K],
) => any

optional



options: boolean | AddEventListenerOptions

Return Type

void



WebSocket.addEventListener(type: string,
listener: EventListenerOrEventListenerObject,
options?: boolean | AddEventListenerOptions,
): void

Parameters



type: string



listener: EventListenerOrEventListenerObject

optional



options: boolean | AddEventListenerOptions

Return Type

void