[JS] e.touches[0] 에서 Uncaught TypeError: Cannot read property '0' of undefined 에러

e.touches[0].clientX 를 e.touches && e.touches[0].clientX 로 변경

e.touches[0].clientX || e.clientX;

↓

(e.touches && e.touches[0].clientX) || e.clientX;

 

 

stackoverflow.com/questions/38527202/mouse-and-touch-events-not-working-as-expected

Mouse and Touch events not working as expected