在此页

• 特性
• 方法
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

安全上下文
此特征只可用于 安全上下文 (HTTPS)，在某些或所有 支持浏览器 .

NavigatorStorage mixin adds to the Navigator and WorkerNavigator interfaces the Navigator.storage property, which provides access to the StorageManager singleton used for controlling the persistence of data stores as well as obtaining information

注意： 此特征可用于 Web 工作者 .

There are many APIs which provide ways for Web content to store data on a user's computer, including Cookie , the Web Storage API ( Window.localStorage and Window.sessionStorage )，和 IndexedDB . The Storage Standard is designed to serve as a common basis for the implementation of all of those APIs and storage technologies, so that their constraints and configurations can be understood and controlled using a common set of methods and properties.

特性

storage 只读 安全上下文

返回 StorageManager singleton object which is used to access the Storage Manager. Through the returned object, you can control persistence of data stores as well as get estimates of how much space is left for your site or appliation to store data.

方法

NavigatorStorage mixin has no methods.

规范

规范	状态	注释
存储	实时标准	初始定义。

浏览器兼容性

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. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
NavigatorStorage	Chrome ?	Edge ?	Firefox 57 57 Disabled ). To change preferences in Firefox, visit	IE ?	Opera ?	Safari ?	WebView Android ?	Chrome Android ?	Firefox Android 51	Opera Android ?	Safari iOS ?	Samsung Internet Android ?
storage	Chrome ?	Edge ?	Firefox 57 57 Disabled ). To change preferences in Firefox, visit	IE ?	Opera ?	Safari ?	WebView Android ?	Chrome Android ?	Firefox Android 51	Opera Android ?	Safari iOS ?	Samsung Internet Android ?

图例

完整支持

完整支持

兼容性未知 ?

兼容性未知

用户必须明确启用此特征。

用户必须明确启用此特征。

另请参阅

• Navigator
• navigator.storage
• WorkerNavigator
• StorageManager

元数据

• 最后修改： Jun 12, 2019

相关话题

1. 存储 API
2. NavigatorStorage
3. 特性

   1. storage
4. 存储相关页面在该规范中的 NaN 定义。

   1. Navigator.storage
   2. StorageEstimate
   3. StorageManager
   4. WorkerNavigator.storage