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• 方法概述
• 方法
• 相关话题

草案
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重要 : The synchronous version of the IndexedDB API was originally intended for use only with Web 工作者 , and was eventually removed from the spec because its need was questionable. It may however be reintroduced in the future if there is enough demand from web developers.

IDBFactorySync 接口在 IndexedDB API provide a synchronous means of accessing the capabilities of indexed databases.

方法概述

IDBDatabaseSync open (in DOMString name, in DOMString description, in optional boolean modifyDatabase) raises ( IDBDatabaseException );

方法

open()

Opens and returns a 连接到数据库 . Blocks the calling thread until the connection object is ready to return. If there is already a database with the specified name, it uses that one; otherwise, it creates the database using the specified name and description.

IDBDatabaseSync open (
  in DOMString name,
  in DOMString description
) raises (IDBDatabaseException);
					

参数

名称

The name for the database.

description

The description for the database.

返回

IDBDatabaseSync

An object to access the open database.

异常

This method can raise an IDBDatabaseException with the following codes:

NON_TRANSIENT_ERR

若 名称 parameter is not valid. A valid name is any string including the empty string.

UNKNOWN_ERR

If an error occurs while the database is being opened.

元数据

• 最后修改： 2019 年 3 月 23 日

相关话题

1. IndexedDB API
2. IDBFactorySync
3. 事件

   1. upgradeneeded
   2. complete
   3. abort
   4. success
   5. error
   6. blocked
   7. versionchange
   8. close
4. IndexedDB 相关页面

   1. IDBCursor
   2. IDBCursorSync
   3. IDBCursorWithValue
   4. IDBDatabase
   5. IDBDatabaseException
   6. IDBDatabaseSync
   7. IDBEnvironment
   8. IDBEnvironmentSync
   9. IDBFactory
   10. IDBIndex
   11. IDBIndexSync
   12. IDBKeyRange
   13. IDBObjectStore
   14. IDBObjectStoreSync
   15. IDBOpenDBRequest
   16. IDBRequest
   17. IDBTransaction
   18. IDBTransactionSync
   19. IDBVersionChangeEvent
   20. IDBVersionChangeRequest