gistfile1.js

$(function() {
  $("tr.search td")
    .wrapInner("<div></div>")
    .children("div")
      .hide()
      .closest("tr")
        .show();

  $("button").click(function() {
    $("tr.search div").slideToggle('fast');
  });
});

gistfile2.htm

<button>Click</button>
<table>
  <thead>
    <tr>
      <th>One</th>
      <th>Two</th>
      <th>Three</th>
    </tr>
  </thead>
  <tbody>
    <tr class="search" style="display:none;">
      <td>11111</td>
      <td>11111</td>
      <td>11111</td>
    </tr>
    <tr>
      <td>22222</td>
      <td>22222</td>
      <td>22222</td>
    </tr>
  </tbody>
</table>