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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>jQuery tablesorter 2.0 - Sorting empty cells</title>
<!-- jQuery -->
<script src="js/jquery-latest.min.js"></script>
<!-- Demo stuff -->
<link rel="stylesheet" href="css/jq.css">
<link href="css/prettify.css" rel="stylesheet">
<script src="js/prettify.js"></script>
<script src="js/docs.js"></script>
<!-- Tablesorter: required -->
<link rel="stylesheet" href="../css/theme.blue.css">
<script src="../js/jquery.tablesorter.js"></script>
<script id="js">$(function() {
// call the tablesorter plugin
$("table").tablesorter({
theme : 'blue',
// default "emptyTo"
emptyTo: 'bottom'
});
});</script>
<script>
$(function() {
$('select').change(function() {
var t = $('table'),
v = $(this).val();
t[0].config.emptyTo = v;
t.trigger("update");
});
});
</script>
</head>
<body>
<div id="banner">
<h1>table<em>sorter</em></h1>
<h2>Sorting empty cells</h2>
<h3>Flexible client-side table sorting</h3>
<a href="index.html">Back to documentation</a>
</div>
<div id="main">
<p class="tip">
<em>NOTE!</em>
</p>
<ul>
<li>Set the <code>emptyTo</code> selector below:
<ul>
<li><code>bottom</code> - sort empty table cells to the bottom.</li>
<li><code>top</code> - sort empty table cells to the top.</li>
<li><code>emptyMax</code> - sort empty table cells as having a value greater than the <em>max</em> (more positive) value (added v2.16.2)</li>
<li><code>emptyMin</code> - sort empty table cells as having a value greater than the <em>min</em> (more negative) value (added v2.16.2)</li>
<li><code>none</code> or <code>zero</code>
<ul>
<li>Sort empty table cells as if the cell has the value equal to zero</li>
<li>None/zero has a value less than A through Z (in javascript, <code>0 < 'A' && 0 < 'Z'</code>); so in an alphabetical column, empty cells will sort at the top in an ascending sort & at the bottom in a descending sort.</li>
<li>In numerical columns, empty cells will sort as if their value was zero.</li>
</ul>
</li>
</ul>
<br>
</li>
<li>Individual columns can be modified by adding the following (they all do the same thing), set in order of priority:
<ul>
<li>jQuery data <code>data-empty="top"</code>.</li>
<li>metadata <code>class="{ empty: 'top'}"</code>. This requires the metadata plugin.</li>
<li>headers option <code>headers : { 0 : { empty : 'top' } }</code>.</li>
<li>header class name <code>class="empty-top"</code>.</li>
<li>Overall <code>emptyTo</code> option.</li>
</ul>
<br>
</li>
<li><code>emptyToBottom</code> option was added in v2.1.11, then replaced by the <code>emptyTo</code> option in v2.1.16.</li>
</ul>
<h1>Demo</h1>
Set <code>emptyTo</code> option: <select>
<option>bottom</option>
<option>top</option>
<option>emptyMax</option>
<option>emptyMin</option>
<option value="zero">none/zero</option>
</select>
<div id="demo"><table class="tablesorter">
<thead>
<tr>
<th class="empty-top">*Account #</th> <!-- empty-top class has higher priority than the "emptyTo" option -->
<th>First Name</th>
<th>Last Name</th>
<th>Age</th>
<th>Total</th>
<th>Discount</th>
<th>Diff</th>
</tr>
</thead>
<tbody>
<tr>
<td>A43</td>
<td>Peter</td>
<td>Parker</td>
<td>28</td>
<td></td>
<td>20.3%</td>
<td>+3</td>
</tr>
<tr>
<td>A255</td>
<td></td>
<td>Hood</td>
<td></td>
<td>19.99</td>
<td>25.1%</td>
<td>-7</td>
</tr>
<tr>
<td></td>
<td>Clark</td>
<td></td>
<td>18</td>
<td>15.89</td>
<td>44.2%</td>
<td>-15</td>
</tr>
<tr>
<td>A1</td>
<td>Bruce</td>
<td>Almighty</td>
<td>45</td>
<td>153.19</td>
<td></td>
<td>+19</td>
</tr>
<tr>
<td>A102</td>
<td>Bruce</td>
<td>Evans</td>
<td>56</td>
<td>153.19</td>
<td>23%</td>
<td></td>
</tr>
<tr>
<td>A109</td>
<td>Larry</td>
<td>Stevens</td>
<td>56</td>
<td>153.19</td>
<td>23%</td>
<td>0</td>
</tr>
<tr>
<td>A99</td>
<td>John</td>
<td>Smithy</td>
<td>56</td>
<td>156</td>
<td>22%</td>
<td></td>
</tr>
<tr>
<td>A119</td>
<td>Mike</td>
<td>Rowe</td>
<td>55</td>
<td>-53.99</td>
<td>13%</td>
<td>0</td>
</tr>
</tbody>
</table></div>
* <span class="label label-info">Note</span> The "Account #" column has the "empty-top" class name set which over-rides the <code>emptyTo</code> option (see the order of priority note above).
<p></p>
<h1>Javascript</h1>
<div id="javascript">
<pre class="prettyprint lang-javascript"></pre>
</div>
<h1>HTML</h1>
<div id="html">
<pre class="prettyprint lang-html"></pre>
</div>
<div class="next-up">
<hr />
Next up: <a href="example-option-sort-key.html">Change the default multi-sorting key ››</a>
</div>
</div>
</body>
</html>
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