事件：'drop'

🌐 Event: 'drop'

'drop' 事件在达到最大长度时触发，此时数据将不会被写入。被丢弃的数据会作为第一个参数传递给事件处理程序。

🌐 The 'drop' event is emitted when the maximal length is reached and that data will not be written. The data that was dropped is passed as the first argument to the event handler.