포인팅 장치가 마우스라고 가정하지 않고 터치 스크린 등 확장
스크롤 차단을 피할 수 있게 만들어졌다
압력, 접촉 기하학, 기울기 등 다른 형식의 입력에 대한 새로운 속성
Pointer events - Web APIs | MDN
Much of today's web content assumes the user's pointing device will be a mouse. However, since many devices support other types of pointing input devices, such as pen/stylus and touch surfaces, extensions to the existing pointing device event models are needed. Pointer events address that need.
https://developer.mozilla.org/en-US/docs/Web/API/Pointer_events
