{"json_modified": "2016-03-28T08:30:43.032771", "uuid": "39ff745e-0ec8-485d-a6ad-1c65b83b3556", "title": "IDBVersionChangeEvent.oldVersion", "url": "/en-US/docs/Web/API/IDBVersionChangeEvent/oldVersion", "tags": ["oldVersion", "API", "storage", "IndexedDB", "Reference", "Property", "Database", "indexeddb", "Storage", "IDBVersionChangeEvent"], "translations": [], "modified": "2016-03-11T08:42:41", "label": "IDBVersionChangeEvent.oldVersion", "localization_tags": [], "locale": "en-US", "id": 84453, "last_edit": "2016-03-11T08:42:38", "summary": "In the following code snippet, we make a request to open a database, and include handlers for the success and error cases. These events are fired via the custom <code>IDBVersionChangeEvent</code> interface. For a full working example, see our <a class=\"external\" href=\"https://github.com/mdn/to-do-notifications/tree/gh-pages\">To-do Notifications</a> app (<a class=\"external\" href=\"https://mdn.github.io/to-do-notifications/\">view example live</a>.)", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Example", "title": "Example"}, {"id": "Value", "title": "Value"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/IDBVersionChangeEvent/oldVersion", "review_tags": []}