在此页

• 构造函数
• 特性
• 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 .

PresentationConnectionAvailableEvent 接口在 Presentation API is fired on a PresentationRequest when a connection associated with the object is created.

A controlling user agent fires a trusted event 命名 connectionavailable 在 PresentationRequest when a connection associated with the object is created. It is fired at the PresentationRequest instance, using the PresentationConnectionAvailableEvent interface, with the connection attribute set to the PresentationConnection object that was created. The event is fired for each connection that is created for the controller , either by the controller 调用 start() or reconnect() , or by the controlling user agent creating a connection on the controller's behalf via defaultRequest .

构造函数

PresentationConnectionAvailableEvent()

Creates a new PresentationConnectionAvailableEvent.

特性

PresentationConnectionAvailableEvent.connection 只读

Returns a references to the PresentationConnection object that fired the event.

规范

规范	状态	注释
Presentation API The definition of 'PresentationConnectionAvailableEvent 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
PresentationConnectionAvailableEvent	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
PresentationConnectionAvailableEvent() 构造函数	Chrome 48	Edge ≤79	Firefox 51	IE No	Opera ?	Safari ?	WebView Android No	Chrome Android 48	Firefox Android 51	Opera Android ?	Safari iOS ?	Samsung Internet Android 5.0
connection	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. 接口

   1. Presentation
   2. PresentationAvailability
   3. PresentationDeviceInfoManager
   4. PresentationRequest
   5. PresentationSession
   6. PresentationSessionConnectEvent
2. 特性

   1. Navigator.presentation
   2. Navigator.mozPresentationDeviceInfo