{"json_modified": "2016-10-20T13:18:44.125590", "uuid": "42b7c22a-c416-429e-b553-4b0805bf0e87", "title": "BroadcastChannel.postMessage()", "url": "/en-US/docs/Web/API/BroadcastChannel/postMessage", "tags": ["API", "Reference", "Broadcast Channel API", "HTML API", "BroadcastChannel", "Experimental", "Method"], "translations": [], "modified": "2016-10-20T13:18:44", "label": "BroadcastChannel.postMessage()", "localization_tags": [], "locale": "en-US", "id": 134709, "last_edit": "2016-10-20T13:18:38", "summary": "The <strong><code>BroadcastChannel.postMessage()</code></strong> sends a message, which can be of any kind of <a href=\"/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" title=\"The Object constructor creates an object wrapper.\"><code>Object</code></a>, to each listener in any <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/browser_context\" title=\"The definition of that term (browser context) has not been written yet; please consider contributing it!\">browser context</a> with the same <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/origin\" title=\"origin: The origin of some web content is defined by the scheme (protocol), host (domain), and port of the URL used to access it. Two objects have the same origin only when the scheme, host, and port match.\">origin</a>. The message is transmitted as a <code><a href=\"/en-US/docs/Web/Events/message\" title=\"/en-US/docs/Web/Events/message\">message</a></code> event targeted at each <code>BroadcastChannel</code> bound to the channel.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/BroadcastChannel/postMessage", "review_tags": []}