在此页

• 特性
• 方法
• 规范
• 浏览器兼容性
• 相关话题

这是 实验性技术
检查 浏览器兼容性表格 要小心谨慎在生产中使用这之前。

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 .

Presentation can be defined as two possible user agents in the context: Controlling user agent and Receiving user agent .

In controlling browsing context, the Presentation interface provides a mechanism to override the browser default behavior of launching presentation to external screen. In receiving browsing context, Presentation interface provides the access to the available presentation connections.

特性

Presentation.defaultRequest

在 controlling user agent ， defaultRequest 属性 MUST return the default presentation request if any, null otherwise. In a receiving browsing context ，它 MUST return null .

Presentation.receiver

在 receiving user agent ， receiver 属性 MUST return the PresentationReceiver instance associated with the receiving browsing context and created by the receiving user agent 当 receiving browsing context 被创建。

方法

None.

规范

规范	状态	注释
Presentation API The definition of 'Presentation interface' in that specification.	候选推荐	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
Presentation	Chrome 48	Edge ≤79	Firefox 51	IE No	Opera Yes	Safari ?	WebView Android No	Chrome Android 48	Firefox Android 51	Opera Android Yes	Safari iOS ?	Samsung Internet Android 5.0
defaultRequest	Chrome 48	Edge ≤79	Firefox 51	IE No	Opera Yes	Safari ?	WebView Android No	Chrome Android 48	Firefox Android 51	Opera Android Yes	Safari iOS ?	Samsung Internet Android 5.0
receiver	Chrome 48	Edge ≤79	Firefox 51	IE No	Opera Yes	Safari ?	WebView Android No	Chrome Android 48	Firefox Android 51	Opera Android Yes	Safari iOS ?	Samsung Internet Android 5.0

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

用户必须明确启用此特征。

用户必须明确启用此特征。

元数据

• 最后修改： Jan 13, 2020

相关话题

1. Presentation
2. 特性

   1. defaultRequest
   2. receiver
3. Related pages for Presentation API

   1. Navigator.mozPresentationDeviceInfo
   2. Navigator.presentation
   3. PresentationAvailability
   4. PresentationDeviceInfoManager
   5. PresentationRequest
   6. PresentationSession
   7. PresentationSessionConnectEvent