touchUpInside

gistfile1.js

  isTouchInside = function(e){
    var event = e.originalEvent;
    touch_inside = false;
    if (! event.touches[0] ) return touch_inside;
    touchX = event.touches[0].pageX;
    touchY = event.touches[0].pageY;
    if(
      touchX > element_coords.left  && 
      touchX < element_coords.right && 
      touchY > element_coords.top   && 
      touchY < element_coords.bottom
    ){
      touch_inside = true;
    }
    return touch_inside;
  };