{"json_modified": "2016-03-28T08:49:05.210449", "uuid": "caf084cb-706e-4e07-8783-307d58d6aa9e", "title": "transitionstart", "url": "/en-US/docs/Web/Events/transitionstart", "tags": ["DOM", "NeedsExample", "Reference", "Event", "events", "Events"], "translations": [], "modified": "2016-03-03T06:02:43", "label": "transitionstart", "localization_tags": [], "locale": "en-US", "id": 171809, "last_edit": "2016-03-03T06:02:39", "summary": "The <code>transitionstart</code> event is fired when a <a href=\"/en-US/docs/CSS/Using_CSS_transitions\">CSS transition</a> has started.", "sections": [{"id": "General_info", "title": "General info"}, {"id": "Properties", "title": "Properties"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/Events/transitionstart", "review_tags": ["technical"]}