readline.clearScreenDown(stream[, 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

stream <stream.Writable>
callback <Function> 操作完成后调用。
返回: <boolean> 如果 stream 希望调用代码在继续写入额外的数据之前等待 'drain' 事件被触发，则为 false；否则为 true。

readline.clearScreenDown() 方法从光标的当前位置向下清除给定的 TTY 流。

History

Version	Changes
v12.7.0	The stream's write() callback and return value are exposed.
v0.7.7	Added in: v0.7.7

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

The readline.clearScreenDown() method clears the given TTY stream from the current position of the cursor down.