2023
1 featuresThe messageerror event fires on a target, such as a window or worker, when an incoming message cannot be deserialized. This event can fire for many types of messages, such as cross-document messages or broadcast channel messages.
2022
1 featuresThe BroadcastChannel API allows you to send messages between same-origin browsing contexts, such as between the same page loaded in multiple tabs.
2020
1 featuresThe EventSource API creates a connection to a server and listens to a stream of events sent by the server.
2015
2 featuresChannel messaging communicates one-to-one between browsing contexts on the same origin, such as between <iframe> elements or two documents using a shared worker.
The postMessage() global method sends cross-origin messages to windows and workers, including popups and iframes. Also known as cross-document messaging.