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<!DOCTYPE html>
<html>
<head>
<script src="https://cdn.rawgit.com/lodash/lodash/3.0.1/lodash.min.js"></script>
<script src="https://code.jquery.com/jquery-1.11.3.js"></script>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
  <table>
    <tr class="header">
      <td>
        <input type="checkbox" class="px check-all1">
      </td>
      <td>
        <input type="checkbox" class="px check-all2">
      </td>
      <td>
        <input type="checkbox" class="px check-all3">
      </td>
    </tr>
    <tr>
      <td>
        <input type="checkbox" class="px check1">
      </td>
      <td>
        <input type="checkbox" class="px check2">
      </td>
      <td>
        <input type="checkbox" class="px check3">
      </td>
    </tr>
    <tr>
      <td>
        <input type="checkbox" class="px check1">
      </td>
      <td>
        <input type="checkbox" class="px check2">
      </td>
      <td>
        <input type="checkbox" class="px check3">
      </td>
    </tr>
    <tr>
      <td>
        <input type="checkbox" class="px check1">
      </td>
      <td>
        <input type="checkbox" class="px check2">
      </td>
      <td>
        <input type="checkbox" class="px check3">
      </td>
    </tr>
    <tr>
      <td>
        <input type="checkbox" class="px check1">
      </td>
      <td>
        <input type="checkbox" class="px check2">
      </td>
      <td>
        <input type="checkbox" class="px check3">
      </td>
    </tr>
  </table>
</body>
</html>
 
$('table').on('change', 'tr.header input', function(){
  var state = $(this).prop('checked');
  var column = $(this).closest('td').index();
  $(this).closest('table').find('tr').each(function(){
    $(this).find('td').eq(column).find('input').prop('checked', state);
  });
});
Output 300px

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