indexedDB
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。.
语法
var IDBFactory = self.indexedDB;
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
BCD tables only load in the browser
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.)