BroadcastChannelThe BroadcastChannel API allows you to send messages between same-origin browsing contexts, such as between the same page loaded in multiple tabs.messagingMessagingwidely2022-03-142024-09-14https://html.spec.whatwg.org/multipage/web-messaging.html#broadcasting-to-other-browsing-contextsbroadcastchannelhttps://developer.mozilla.org/docs/Web/API/BroadcastChannelapi.BroadcastChannelapi.BroadcastChannel.BroadcastChannelapi.BroadcastChannel.closeapi.BroadcastChannel.message_eventapi.BroadcastChannel.messageerror_eventapi.BroadcastChannel.nameapi.BroadcastChannel.postMessagehttps://nowyoucanuse.com/features--broadcast-channel.html