事件:'message'
¥Event: 'message'
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.