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.
readonly attribute unsigned long long? version; | Specification | Status | Comment |
|---|---|---|
| Indexed Database API The definition of 'IDBVersionChangeEvent' in that specification. | Candidate Recommendation |
| 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 |
IDBDatabase
IDBTransaction
IDBKeyRange
IDBObjectStore
IDBCursor
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https://developer.mozilla.org/en-US/docs/Web/API/IDBVersionChangeEvent/version