message: docs(scrollbar): add fadeInTime & fadeOutTime option
diff: @@ -192,7 +192,21 @@ new BScroll('.bs-wrapper', {
  - **Type**: `number`
  - **Default**: `300`
  - the scroll time after the scrollbar track is clicked,.
  + the scroll time after the scrollbar track is clicked.
  +
  +### fadeInTime <Badge text="2.4.0" />
  +
  + - **Type**: `number`
  + - **Default**: `250`
  +
  + The duration of the animation when the scrollbar fades in.
  +
  +### fadeOutTime <Badge text="2.4.0" />
  +
  + - **Type**: `number`
  + - **Default**: `500`
  +
  + The duration of the animation when the scrollbar fades out.
  :::tip
  When `scrollbar` is configured as `true`, the plugin uses the default plugin option.
  