• callback <Function> 当操作完成时调用。
  • 返回: <boolean> 如果流期望调用的代码在继续写入其他数据之前等待 'drain' 事件触发,则为 false,否则为 true

writeStream.clearScreenDown() 会从当前的光标向下清理此 WriteStream

  • callback <Function> Invoked once the operation completes.
  • Returns: <boolean> false if the stream wishes for the calling code to wait for the 'drain' event to be emitted before continuing to write additional data; otherwise true.

writeStream.clearScreenDown() clears this WriteStream from the current cursor down.