{"json_modified": "2016-08-31T08:55:57.480205", "uuid": "d5f48b77-d09f-4626-a8e5-df37e1fe8e04", "title": "MediaStream.onaddtrack", "url": "/en-US/docs/Web/API/MediaStream/onaddtrack", "tags": ["Event Handler", "API", "Reference", "Property", "Media Streams API", "MediaStream"], "translations": [], "modified": "2016-08-31T08:55:57", "label": "MediaStream.onaddtrack", "localization_tags": [], "locale": "en-US", "id": 193223, "last_edit": "2016-08-31T08:55:51", "summary": "The <strong><code>MediaStream.onaddtrack</code></strong> property is an <a href=\"/en-US/docs/Web/API/EventHandler\" title=\"A possible way to get notified of Events of a particular type (such as click) for a given object is to specify an&#xA0;event handler using:\"><code>EventHandler</code></a> which specifies a function to be called when the <code><a href=\"/en-US/docs/Web/Events/addtrack\" title=\"/en-US/docs/Web/Events/addtrack\">addtrack</a></code> event occurs on a <a href=\"/en-US/docs/Web/API/MediaStream\" title=\"The MediaStream interface represents a stream of media content. A stream consists of several tracks such as&#xA0;video or audio tracks.\"><code>MediaStream</code></a> instance. This happens when a new track of any kind is added to the media stream.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Value", "title": "Value"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/MediaStream/onaddtrack", "review_tags": []}