hx.select('#body').on('pointerdown', function(event){
  // do something on mousedown/touchstart
});
hx.select('#body').on('pointerup', function(event){
  // do something on mouseup/touchend/touchcancel
});
hx.select('#body').on('pointermove', function(event){
  // do something on mousemove/touchmove
});
hx.select('#body').on('pointerleave', function(event){
  // do something on mouseleave/touchleave
});
hx.select('#body').on('pointerenter', function(event){
  // do something on mouseenter/touchenter
});