BroadcastChannel:close() 方法
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
接口的 close()
方法终止与底层频道的连接,从而允许对对象进行垃圾回收。这是必须执行的步骤,因为浏览器没有其他方法可以知道不再需要此频道。
语法
js
close()
示例
js
// 连接到指定频道
const bc = new BroadcastChannel("test_channel");
// 其他操作(如:postMessage、……)
// 当完成后,断开与频道的连接
bc.close();
规范
Specification |
---|
HTML # dom-broadcastchannel-close-dev |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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close |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- User must explicitly enable this feature.
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.
参见
- 所属接口:
BroadcastChannel