PresentationRequest

这是 实验性技术
检查 浏览器兼容性表格 在生产中使用这之前。

Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers .

A PresentationRequest object is used to initiate or reconnect to a presentation made by a controlling browsing context PresentationRequest object MUST be implemented in a controlling browsing context provided by a controlling user agent .

PresentationRequest is constructed, the given urls MUST be used as the list of presentation request URLs which are each a possible presentation URL PresentationRequest 实例。

构造函数

PresentationRequest()
创建 PresentationRequest .

特性

None

事件处理程序

PresentationRequest.onconnectionavailable
Fires on a successful call to PresentationRequest.start() or PresentationRequest.join() . This method provides a object with a reference to the created or joined object.

方法

PresentationRequest.start()
返回 Promise that resolves with a PresentationConnection after the user agent prompts the user to select a display and grant permission to use that display.
PresentationRequest.reconnect()
When the reconnect (presentationId) method is called on a PresentationRequest presentationRequest user agent MUST run the following steps to reconnect to a presentation .
PresentationRequest.getAvailability()
When the getAvailability () method is called, the user agent MUST run the steps as the link.

规范

规范 状态 Comment
Presentation API
The definition of 'PresentationRequest interface' in that specification.
候选推荐 初始定义。

浏览器兼容性

更新 GitHub 上的兼容性数据
Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
PresentationRequest
Chrome 48 Edge ≤79 Firefox 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
IE No Opera 35 Safari ? WebView Android No Chrome Android 48 Firefox Android 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
Opera Android 35 Safari iOS ? Samsung Internet Android 5.0
PresentationRequest() 构造函数
Chrome 48 Edge ≤79 Firefox 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
IE No Opera 35 Safari ? WebView Android No Chrome Android 48 Firefox Android 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
Opera Android 35 Safari iOS ? Samsung Internet Android 5.0
getAvailability
Chrome 48 Edge ≤79 Firefox 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
IE No Opera 35 Safari ? WebView Android No Chrome Android 48 Firefox Android 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
Opera Android 35 Safari iOS ? Samsung Internet Android 5.0
onconnectionavailable
Chrome 48 Edge ≤79 Firefox 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
IE No Opera 35 Safari ? WebView Android No Chrome Android 48 Firefox Android 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
Opera Android 35 Safari iOS ? Samsung Internet Android 5.0
reconnect
Chrome 48 Edge ≤79 Firefox 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
IE No Opera 35 Safari ? WebView Android No Chrome Android 48 Firefox Android 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
Opera Android 35 Safari iOS ? Samsung Internet Android 5.0
Secure context required
Chrome 61 Edge ≤79 Firefox ? IE No Opera 48 Safari ? WebView Android No Chrome Android 61 Firefox Android ? Opera Android 45 Safari iOS ? Samsung Internet Android 8.0
start
Chrome 48 Edge ≤79 Firefox 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
IE No Opera 35 Safari ? WebView Android No Chrome Android 48 Firefox Android 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
Opera Android 35 Safari iOS ? Samsung Internet Android 5.0
startWithDevice
Chrome 48 Edge ≤79 Firefox 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
IE No Opera 35 Safari ? WebView Android No Chrome Android 48 Firefox Android 51
Disabled
51
Disabled
Disabled From version 51: this feature is behind the dom.presentation.controller.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config.
Opera Android 35 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。