事件:'message'

\Event: 'message'

• value <any> 传输值

  \value <any> The transmitted value

为任何传入消息触发 'message' 事件,其中包含 port.postMessage() 的克隆输入。

\The 'message' event is emitted for any incoming message, containing the cloned input of port.postMessage().

此事件的监听器接收传给 postMessage() 的 value 参数的副本,没有其他参数。

\Listeners on this event receive a clone of the value parameter as passed to postMessage() and no further arguments.