title: jQuery How to count the no of rows in table by distinct column value
body: <p>How can I count the distinct table rows by table column?</p>
  
  <p>Example:</p>
  
  <pre><code>&lt;table&gt;
     &lt;thead&gt; 
        &lt;tr&gt;
          &lt;th&gt;NAME&lt;/th&gt;
          &lt;th&gt;TECHNOLOGY&lt;/th&gt;
       &lt;/tr&gt;
     &lt;/thead&gt;
     &lt;tbody&gt;  
       &lt;tr&gt;
          &lt;td&gt;john&lt;/td&gt;
          &lt;td&gt;jQuery&lt;/td&gt;
      &lt;/tr&gt;
      &lt;tr&gt;
         &lt;td&gt;mark&lt;/td&gt;
         &lt;td&gt;css&lt;/td&gt;
      &lt;/tr&gt;
      &lt;tr&gt;
         &lt;td&gt;blah&lt;/td&gt;
         &lt;td&gt;css&lt;/td&gt;
      &lt;/tr&gt;
      &lt;tr&gt;
         &lt;td&gt;abc&lt;/td&gt;
         &lt;td&gt;css&lt;/td&gt;
      &lt;/tr&gt;
      &lt;tr&gt;
         &lt;td&gt;xyz&lt;/td&gt;
         &lt;td&gt;jQuery&lt;/td&gt;
      &lt;/tr&gt;
    &lt;/tbody&gt;
  &lt;/table&gt;
  </code></pre>
  
  <p>I want Out put:</p>
  
  <pre><code>css : 3
  jQuery : 2
  </code></pre>
  
  <p>here I don't know what technology is come in that cell but, I need to get the no of rows by the technology</p>
  
  <p>Thanks in advance </p>