BroadcastChannel() - Web API 接口参考 编辑

BroadcastChannel() 构建函数用于创建一个 BroadcastChannel 对象，并与对应的频道相关联。

Note: 此特性在 Web Worker 中可用。

语法

 channel = new BroadcastChannel(channel);

值

channel

频道名称，类型为 DOMString；在相同的 源 下，一个名称只对应一个频道，所有 浏览器上下文 共用。 

示例

// create a new channel listening to the "internal_notification" channel.

var bc = new BroadcastChannel('internal_notification');
bc.postMessage('New listening connected!');

规范

规范	示例	备注
HTML Living Standard BroadcastChannel()	Living Standard	Initial definition.

浏览器兼容性

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另见

• 所属接口：BroadcastChannel