Source code for: http://baylorrae.com/prevent-dom-reflow/

fix.js

var $stuff = $('#stuff'),
    temp_items = document.createDocumentFragment(),
    temp_item = null;

$.each(('this is an array of things that will get added to $stuff').split(' '), function(i, item) {
  temp_item = $('<li />', {
    text: item
  })[0];

  temp_items.appendChild(temp_item);
});

$stuff.append(temp_items);

going_further.js

var $stuff = $('#stuff'),
    temp_items = document.createDocumentFragment(),
    temp_item = null,

    items = ('this is an array of things that will get added to $stuff').split(' ');

for( var i = 0, len = items.length; i < len; i++ )  {
  temp_item = $('<li />', {
    text: items[i]
  })[0];

  temp_items.appendChild(temp_item);
}

$stuff.append(temp_items);

problem.js

var $stuff = $('#stuff');

$.each(('this is an array of things that will get added to $stuff').split(' '), function(i, item) {
  $('<li />', {
    text: item
  }).appendTo($stuff);
});