- startX
- Starting horizontal scroll offset in pixels. Positive numbers will scroll the content to the left.
- startY
- Starting vertical scroll offset in pixels. Positive numbers will scroll the content up.
- dx
- Horizontal distance to travel. Positive numbers will scroll the content to the left.
- dy
- Vertical distance to travel. Positive numbers will scroll the content up.
Start scrolling by providing a starting point and the distance to travel. The scroll will use the default value of 250 milliseconds for the duration.