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POjQuery tablesorter: custom html image tag sorter/parser
 

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  1. POjQuery tablesorter: custom html image tag sorter/parser
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    <p>I am using the <a href="http://tablesorter.com" rel="nofollow">jQuery tablesorter plugin</a>. It seems to be working fine except that it can't sort rows with image tags as their content. I want to implement something that just sorts by the src attribute of the image tag. I have tried a number of things but can't seem to get it to work.</p> <h2>Problems:</h2> <ul> <li>The plugin does not detect my image columns with the image parser, it detects it as using the <code>digit</code> parser, so I have to specify the image parser manually.</li> <li>The <code>s</code> argument being passed to the <code>format</code> function of my parser seems to be blank/null/undefined (something like that, I can't tell).</li> </ul> <h2>Code:</h2> <p>JavaScript:</p> <pre><code>$.tablesorter.addParser({ id: 'image', is: function(s) { //i think this works return /^&lt;img(.*)&gt;$/.test(s); }, format: function(s) { //neither of these work return $(s).attr('src').toLowerCase(); return s.match(/src="(.*)"/); }, type: 'text' }); $(document).ready(function() { $("table").tablesorter(); }); </code></pre> <p>HTML:</p> <pre><code>&lt;table&gt; &lt;thead&gt; &lt;tr&gt; &lt;th&gt;text column&lt;/th&gt; &lt;th class="{sorter: 'image'}"&gt;image column&lt;/th&gt; &lt;/tr&gt; &lt;/thead&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;a&lt;/td&gt; &lt;td&gt;&lt;img src="d.gif"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;b&lt;/td&gt; &lt;td&gt;&lt;img src="c.gif"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;c&lt;/td&gt; &lt;td&gt;&lt;img src="b.gif"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;d&lt;/td&gt; &lt;td&gt;&lt;img src="a.gif"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/tbody&gt; &lt;/table&gt; </code></pre>
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