The indexedDB read-only property of the WindowOrWorkerGlobalScope mixin provides a mechanism for applications to asynchronously access the capabilities of indexed databases.
Syntax
var IDBFactory = self.indexedDB;
Value
An IDBFactory object.
Example
var db;
function openDB() {
var DBOpenRequest = window.indexedDB.open('toDoList');
DBOpenRequest.onsuccess = function(e) {
db = DBOpenRequest.result;
}
}
Specifications
| Specification | Status | Comment |
|---|---|---|
| Indexed Database API 2.0 The definition of 'indexedDB' in that specification. |
Editor's Draft | Defined in a WindowOrWorkerGlobalScope partial in the newest spec. |
| Indexed Database API The definition of 'indexedDB' in that specification. |
Recommendation | Initial definition. |
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 23webkit 24 |
(Yes) | 10 moz 16.0 (16.0) 52.0 (52.0)[1] |
10, partial | 15 | 7.1 |
| Available in workers | (Yes) | (Yes) | 37.0 (37.0) | ? | (Yes) | ? |
| Indexed Database 2.0 | 58 | ? | ? | ? | 45 | ? |
| Feature | Android Webview | Chrome for Android | Edge | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|---|
| Basic support | (Yes) | ? | (Yes) | 22.0 (22.0) 52.0 (52.0)[1] |
1.0.1 | 10 | 22 | 8 |
| Available in workers | (Yes) | ? | (Yes) | 37.0 (37.0) | (Yes) | ? | (Yes) | ? |
| Indexed Database 2.0 | 58 | 58 | ? | ? | ? | ? | 45 | ? |
[1] indexedDB now defined on WindowOrWorkerGlobalScope mixin.
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.)