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  $(function () {
      $("#sortable tbody").sortable();
      $("#sortable tbody").disableSelection();
  });

<table class="back" id="sortable">
    <tr>
        <th> <span>No.</span>

        </th>
        <th> <span>Country</span>

        </th>
    </tr>
    <tbody>
        <tr>
            <td> <span>1</span>

            </td>
            <td> <span>Jpan</span>

            </td>
        </tr>
        <tr>
            <td> <span>2</span>

            </td>
            <td> <span>America</span>

            </td>
        </tr>
        <tr>
            <td> <span>3</span>

            </td>
            <td> <span>England</span>

            </td>
        </tr>
    </tbody>
</table>

.back {
    background-color:#EEEEEE;
}