BroadcastChannel()
Baseline 2022
Newly available
Since March 2022, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
BroadcastChannel()
构造函数用于创建一个 BroadcastChannel
对象,并与底层的通道相关联。
备注: 此特性在 Web Worker 中可用。
语法
js
new BroadcastChannel(channelName)
参数
示例
js
// 创建一个监听“internal_notification”通道的新通道。
const bc = new BroadcastChannel("internal_notification");
bc.postMessage("New listening connected!");
规范
Specification |
---|
HTML Standard # dom-broadcastchannel-dev |
浏览器兼容性
BCD tables only load in the browser
参见
- 所属接口:
BroadcastChannel