If you specify the attribute with true on a
ContainerWidget
or
MeshWidget
including
`, ``, ``, ``, ``, ``, ` (a scrollable container),
the **error message box** (poped up by violating rules in `constraint`
attribute), combobox popup, datebox popup, inside the container
component will also move by scrolling[^1]. Those popups will disappear
when you scroll them out of the visible area.
**Usage example**
```xml
```
- Try to trigger an error box of the Textbox and scroll down.
If you specify `true` on a
[ContainerWidget](http://www.zkoss.org/javadoc/7.0.3/jsdoc/zul/ContainerWidget.html)
or
[MeshWidget](http://www.zkoss.org/javadoc/7.0.3/jsdoc/zul/mesh/MeshWidget.html),
the **popup** inside the container component will also move by
scrolling.
**Usage example**
```xml
```
- Click the label, trigger a popup, and scroll down.
```xml
```
- Right click the label, trigger a popup, and scroll down.
# `data-scrollable="false"`
When a user swipes on the content of Listbox, Grid, Tree in a tablet
device, the friendly scrollbar will appear. To disable the friendly
scrollbar, please use the following setting[^2].
`tablet only`
```xml
```
# references/
* For more information, please refer to https://www.zkoss.org/javadoc/latest/jsdoc/classes/zul.ContainerWidget.html
* For more information, please refer to [ZK Component Reference Tablet Devices: Listbox](/zk_component_ref/tablet_devices/ui_enhancements/listbox#Friendly_Scrolling_Support),
[ZK Component Reference Tablet Devices: Grid](/zk_component_ref/tablet_devices/ui_enhancements/grid#Friendly_Scrolling_Support),
[ZK Component Reference Tablet Devices: Tree](/zk_component_ref/tablet_devices/ui_enhancements/tree#Friendly_Scrolling_Support).