Ajax Infinite Scroll + Masonry

gistfile1.js

var container = document.querySelector('.container');
var msnry = new Masonry( container, {
  // options
  itemSelector: '.item',
  gutter: 10
});

var ias = $.ias({
  container: ".container",
  item: ".item",
  pagination: "#pagination",
  next: ".next a",
  delay: 1200
});

ias.on('render', function(items) {
  $(items).css({ opacity: 0 });
});

ias.on('rendered', function(items) {
  msnry.appended(items);
});

ias.extension(new IASSpinnerExtension());
ias.extension(new IASNoneLeftExtension({html: '<div class="ias-noneleft" style="text-align:center"><p><em>You reached the end!</em></p></div>'}));