function loaded() {
  document.addEventListener('touchmove', function(e){ e.preventDefault(); });
  myScroll = new iScroll('scroller');
}
document.addEventListener('DOMContentLoaded', loaded);`

<div id="wrapper">
<div id="scroller">
    <ul>
        <li>...</li>
    </ul>
</div>

#wrapper {
  position:relative;
  z-index:1;
  width:/* your desired width, auto and 100% are fine */;
  height:/* element height */;
  overflow:/* hidden|auto|scroll */;
}