showTrack([visible])
Class: Slider.
Description:
Shows or hides the track (line) behind the slider knob.
Parameters:
| Name | Type | Description |
|---|---|---|
|
|
boolean |
If true, the track will be displayed; if false, it will be hidden. |
Returns:
When setting a value, returns this component for chaining; otherwise returns the current value.
Type: Slider | boolean