Web platform features explorer - BroadcastChannel

Web platform features explorer

The BroadcastChannel API allows you to send messages between same-origin browsing contexts, such as between the same page loaded in multiple tabs.

Status

Baseline Widely Available (since 2024-09-14)

MDN documentation

Broadcast Channel API

Specifications

HTML (#broadcasting-to-other-browsing-contexts), from HTML Workstream (WHATWG).

Browser support (view on caniuse.com)

Chrome 54 Released on 2016-10-12
Chrome Android 54 Released on 2016-10-19
Edge 79 Released on 2020-01-15
Firefox 38 Released on 2015-05-12
Firefox for Android 38 Released on 2015-05-12
Safari 15.4 Released on 2022-03-14
Safari on iOS 15.4 Released on 2022-03-14

Usage (according to Chrome Platform Status)

~11.148% of page loads. More data at chromestatus.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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