{"json_modified": "2016-03-28T08:42:42.394872", "uuid": "83f414a7-2ab3-4cc9-8a3d-7e36c096b0a5", "title": "DedicatedWorkerGlobalScope.onmessage", "url": "/en-US/docs/Web/API/DedicatedWorkerGlobalScope/onmessage", "tags": ["API", "onmessage", "Reference", "Property", "R\u00e9f\u00e9rence", "DedicatedWorkerGlobalScope", "Web Workers"], "translations": [], "modified": "2015-02-21T08:49:47", "label": "DedicatedWorkerGlobalScope.onmessage", "localization_tags": [], "locale": "en-US", "id": 134975, "last_edit": "2015-02-21T08:47:29", "summary": "The <strong><code>onmessage</code></strong> property 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 represents an <a href=\"/en-US/docs/Web/API/EventHandler\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>EventHandler</code></a> to be called when the <code><a href=\"/en-US/docs/Web/Events/message\" title=\"/en-US/docs/Web/Events/message\">message</a></code> event occurs and bubbles through the <a href=\"/en-US/docs/Web/API/Worker\" title=\"The Worker interface of the Web Workers API represents a background task that can be easily created and can send messages back to its creator. Creating a worker is as simple as calling the Worker()&#xA0;constructor and specifying a script to be run in the worker thread.\"><code>Worker</code></a> \u2014 i.e. when a message is sent to the worker using the <a href=\"/en-US/docs/Web/API/Worker.postMessage\" title=\"The postMessage() method of the Worker interface sends a message to the worker's inner scope. 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 structured clone algorithm, which includes cyclical references.\"><code>Worker.postMessage</code></a> method.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Summary", "title": "Summary"}, {"id": "Syntax", "title": "Syntax"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/DedicatedWorkerGlobalScope/onmessage", "review_tags": []}