Oz Katz' (thanks!) single-reflow #Backbone #collection render()

backbone-single-reflow.js

render: function() {
  this.$el.empty();
  var container = document.createDocumentFragment();
  // render each subview, appending to our root element
  _.each(this._views, function(subview) {
    container.appendChild(subview.render().el)
  });
  this.$el.append(container);
}