Using jQuery, convert plain JS object to un-ordered list

object_to_ul_with_jQeury.js

function object_to_ul(o) {
  var $ul = $('<ul/>');
  for (var k in o) {
    var $li = $('<li/>').text(k);
    if (o[k] !== null && typeof(o[k]) == 'object')
      $li.append(object_to_ul(o[k]));
    $ul.append($li);
  }
  return $ul;
}