The version property of the IDBVersionChangeEvent interface returns The new version of the database in a versionchange transaction.
Warning: While this property is still implemented in older browsers, the latest specification replaces it with the oldVersion and newVersion attributes. See the compatibility table to know what browsers support them.
Syntax
readonly    attribute unsigned long long? version;
Value
Specifications
| Specification | Status | Comment | 
|---|---|---|
| Indexed Database API The definition of 'IDBVersionChangeEvent' in that specification. | Candidate Recommendation | 
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) | 
|---|---|---|---|---|---|
| version | 12 webkit | From 4.0 (2.0) to | Not supported | Not supported | Not supported | 
| oldVersion | 23webkit 24 | 10, partial | 15 | 7.1 | |
| newVersion | 23webkit 24 | 10, partial | 15 | 7.1 | 
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile | 
|---|---|---|---|---|---|---|
| Basic support | 4.4 | 22.0 (22.0) | 1.0.1 | 10 | 22 | Not supported | 
See also
- Using IndexedDB
- Starting transactions: IDBDatabase
- Using transactions: IDBTransaction
- Setting a range of keys: IDBKeyRange
- Retrieving and making changes to your data: IDBObjectStore
- Using cursors: IDBCursor
- Reference example: To-do Notifications (view example live.)
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                       Contributors to this page: 
        chrisdavidmills, 
        fscholz
                    
                    
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