Touch events are a bit like mouse events, but there are some very important differences when it comes to touch vs. mouse:
- A touch is very hard to keep steady whilst a mouse can stay at a fixed position - this means that we go from a touchStart event directly to a touchMove event. Unlike a mouse where a mouseDown event is likely to fire without being followed up by a mouseMove event.
- There is no mouseOver equivalent since a touch can be discontinuous, i.e., we can get from point A to point B without the need of drawing a continuous line between these points.
- A touch is an averaged point taken from the surface area in contact with the pointing device (your finger) translated to pixel coordinates - like finding the centre of a circle. A mouse is very precise and there is no averaging that needs to be done. What I'm trying to say is that a touch is not as accurate as a mouse.
