readline.clearScreenDown(stream[, callback])
-
stream
<stream.Writable> -
callback
<Function> 操作完成后调用。¥
callback
<Function> Invoked once the operation completes. -
返回:<boolean>
false
(如果stream
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
ifstream
wishes for the calling code to wait for the'drain'
event to be emitted before continuing to write additional data; otherwisetrue
.
readline.clearScreenDown()
方法从光标的当前位置向下清除给定的 TTY 流。
¥The readline.clearScreenDown()
method clears the given TTY stream from
the current position of the cursor down.