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• 句法
• 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。

onmessage 特性为 MediaKeySession is an event handler, fired whenever a MediaKeyMessageEvent occurs, denoting a message is generated by the content decryption module.

This interface inherits from the ExtendableEvent 接口。

  <div id="interfaceDiagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 8.571428571428571%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-20 0 700 60" preserveAspectRatio="xMinYMin meet"><a xlink:href="../API/EventTarget.html" target="_top"><rect x="1" y="1" width="110" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="56" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">EventTarget</text></a><polyline points="111,25  121,20  121,30  111,25" stroke="#D4DDE4" fill="none"/><line x1="121" y1="25" x2="151" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/MediaKeySession" target="_top"><rect x="151" y="1" width="150" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text  x="226" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">MediaKeySession</text></a></svg></div>
					

  a:hover text { fill: #0095DD; pointer-events: all;}
					

句法

MediaKeySession.onmessage = function(MediaKeyMessageEvent) { ... }
					

规范

规范	状态	注释
加密媒体扩展 The definition of 'onmessage' in that specification.	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
onmessage	Chrome 55	Edge ≤79	Firefox Yes	IE ?	Opera 42	Safari ?	WebView Android 43	Chrome Android 55	Firefox Android Yes	Opera Android 42	Safari iOS ?	Samsung Internet Android 6.0

图例

完整支持

完整支持

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。

元数据

• 最后修改： Dec 23, 2019

相关话题

1. Encrypted Media Extensions API
2. MediaKeySession
3. 特性

   1. closed
   2. expiration
   3. keyStatuses
   4. sessionId
4. 方法

   1. close()
   2. generateRequest()
   3. load()
   4. remove()
   5. update()
5. 继承：

   1. EventTarget
6. Related pages for Encrypted Media Extensions

   1. HMTLMediaElement.onencrypted
   2. HTMLMediaElement.mediaKeys
   3. HTMLMediaElement.setMediaKeys()
   4. MediaKeySessionEvent
   5. MediaKeyStatusMap
   6. MediaKeySystemAccess
   7. MediaKeySystemConfiguration
   8. MediaKeys
   9. Navigator.requestMediaKeySystemAccess()