BroadcastChannel()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2022.
备注: 此特性在 Web Worker 中可用。
BroadcastChannel()
构造函数用于创建一个 BroadcastChannel
对象,并与底层的通道相关联。
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("新的监听连接!");
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