Separate unordered List into rows

HTML

<ul>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
</ul>

CSS

ul.data-row {
    clear:both;
    float:none;
    display: block;   
}

ul li {
    float: left; 
}

JavaScript

var size = 3,
      $ul  = $("ul"),
      $lis = $ul.children().filter(':gt(' + (size - 1) + ')'),
      loop = Math.ceil($lis.length / size),
      i    = 0;

  $ul.css('float', 'left').wrap("<div style='overflow: hidden'></div>");

  for (; i < loop; i = i + 1) {
    $ul = $("<ul />").css('float', 'left').append($lis.slice(i * size, (i * size) + 3)).insertAfter($ul);
  }


$('ul').addClass("data-row");