{"json_modified": "2016-03-28T08:42:45.776840", "uuid": "487b17b1-c61e-41c8-a31b-5fd90afd06b8", "title": "DedicatedWorkerGlobalScope.postMessage()", "url": "/en-US/docs/Web/API/DedicatedWorkerGlobalScope/postMessage", "tags": ["API", "Reference", "DedicatedWorkerGlobalScope", "R\u00e9f\u00e9rence", "postMessage", "Web Workers", "Method"], "translations": [], "modified": "2015-02-21T08:49:38", "label": "DedicatedWorkerGlobalScope.postMessage()", "localization_tags": [], "locale": "en-US", "id": 135069, "last_edit": "2015-02-21T08:49:26", "summary": "The <code><strong>postMessage()</strong></code> method of the <a href=\"/en-US/docs/Web/API/DedicatedWorkerGlobalScope\" title=\"The DedicatedWorkerGlobalScope object (the Worker global scope) is accessible through the self keyword. Some additional global functions, namespaces objects, and constructors, not typically associated with the worker global scope, but available on it, are listed in the JavaScript Reference. See also: Functions available to workers.\"><code>DedicatedWorkerGlobalScope</code></a> interface sends a message to the main thread that spawned it. This accepts a single parameter, which is the data to send to the worker. The data may be any value or JavaScript object handled by the <a href=\"/en-US/docs/Web/Guide/DOM/The_structured_clone_algorithm\" title=\"https://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#transferable\">structured clone</a> algorithm, which includes cyclical references.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Returns", "title": "Returns"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/DedicatedWorkerGlobalScope/postMessage", "review_tags": []}