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BroadcastChannel - Messaging - Web documentation
interface BroadcastChannel
extends EventTarget
Unstable

Properties

readonly
name: string

Returns the channel name (as passed to the constructor).

onmessage: (() => any) | null
onmessageerror: (() => any) | null

Methods

close(): void

Closes the BroadcastChannel object, opening it up to garbage collection.

postMessage(message: any): void

Sends the given message to other BroadcastChannel objects set up for this channel. Messages can be structured objects, e.g. nested objects and arrays.

addEventListener<K extends keyof BroadcastChannelEventMap>(
type: K,
listener: () => any,
options?: boolean | AddEventListenerOptions,
): void
addEventListener(
type: string,
options?: boolean | AddEventListenerOptions,
): void
removeEventListener<K extends keyof BroadcastChannelEventMap>(
type: K,
listener: () => any,
options?: boolean | EventListenerOptions,
): void
removeEventListener(
type: string,
options?: boolean | EventListenerOptions,
): void