writeStream.clearScreenDown([callback])

版本历史

版本	变更
v12.7.0	流的 write() 回调和返回值是公开的。
v0.7.7	新增于: v0.7.7

callback <Function> 操作完成后调用。

\callback <Function> Invoked once the operation completes.
返回:<boolean> false 如果流希望调用代码在继续写入附加数据之前等待 'drain' 事件触发;否则 true。

\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() 从当前光标向下清除此 WriteStream。

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