abstract member name: string
abstract member onmessage: (MessageEvent<obj> -> unit) option with get, set
abstract member onmessageerror: (MessageEvent<obj> -> unit) option with get, set
abstract member addEventListener (type: string, listener: EventListenerOrEventListenerObject, ?options: U2<bool,AddEventListenerOptions>) : unit
abstract member addEventListener<'E> (type: typekeyof<BroadcastChannelEventMap,'E>, listener: 'E -> obj, ?options: U2<bool,AddEventListenerOptions>) : unit
abstract member close () : unit
abstract member postMessage (message: obj) : unit
abstract member removeEventListener (type: string, listener: EventListenerOrEventListenerObject, ?options: U2<bool,EventListenerOptions>) : unit
abstract member removeEventListener<'E> (type: typekeyof<BroadcastChannelEventMap,'E>, listener: 'E -> obj, ?options: U2<bool,EventListenerOptions>) : unit