BroadcastChannel.postMessage() sends a message, which can be of any kind of 对象 , to each listener in any 浏览上下文 with the same origin . The message is transmitted as a message event targeted at each BroadcastChannel bound to the channel.

注意: 此特征可用于 Web 工作者 .

句法

var str = channel.postMessage(object);
					

规范

规范 状态 注释
HTML 实时标准
The definition of 'BroadcastChannel.postmessage()' in that specification.
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
postMessage Chrome 54 Edge ≤79 Firefox 38 IE No Opera 41 Safari No WebView Android 54 Chrome Android 54 Firefox Android ? Opera Android 41 Safari iOS No Samsung Internet Android 6.0

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

另请参阅

元数据

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