Window:indexedDB 属性
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
indexedDB
是 WindowOrWorkerGlobalScope
的一个只读属性,它集成了为应用程序提供异步访问索引数据库的功能的机制。
值
一个 IDBFactory
对象。
示例
js
var db;
function openDB() {
var DBOpenRequest = window.indexedDB.open("toDoList");
DBOpenRequest.onsuccess = function (e) {
db = DBOpenRequest.result;
};
}
规范
Specification |
---|
Indexed Database API 3.0 # dom-windoworworkerglobalscope-indexeddb |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | server | |||||||||||
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indexedDB | |||||||||||||
Available in workers |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- Requires a vendor prefix or different name for use.
- Has more compatibility info.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
参见
- 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.)