if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) || (navigator.userAgent.match(/iPad/i))) {
  var myScroll;
  function loaded() {
    setTimeout(function () {
      myScroll = new iScroll('wrap', { zoom: true });
    }, 100);
  }
  window.addEventListener('load', loaded, false);
}