Window:indexedDB 属性
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
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.)