{"json_modified": "2016-03-28T08:30:39.534970", "uuid": "a2f9d063-2b42-4784-8337-81ebe2bb0f64", "title": "IDBOpenDBRequest.onblocked", "url": "/en-US/docs/Web/API/IDBOpenDBRequest/onblocked", "tags": ["API", "storage", "IndexedDB", "Reference", "Property", "Database", "IDBOpenDBRequest", "onblocked", "indexeddb", "Storage"], "translations": [], "modified": "2016-03-11T09:46:37", "label": "IDBOpenDBRequest.onblocked", "localization_tags": [], "locale": "en-US", "id": 84387, "last_edit": "2016-03-11T09:46:33", "summary": "The <strong><code>IDBOpenDBRequest.onblocked </code></strong>event handler is the event handler for the <code><a href=\"/en-US/docs/Web/Events/blocked\" title=\"/en-US/docs/Web/Events/blocked\">blocked</a></code> event. This event is triggered when the <code><a href=\"/en-US/docs/Web/Events/upgradeneeded\" title=\"/en-US/docs/Web/Events/upgradeneeded\">upgradeneeded</a></code> should be triggered because of a version change but the database is still in use (that is, not closed) somewhere, even after the <code>versionchange</code> event was sent.", "sections": [{"id": "Quick_Links", "title": null}, {"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/IDBOpenDBRequest/onblocked", "review_tags": []}