jquery .each function to check another selector and delete duplicates

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I have a jquery datatable that contains name and count data.

                <tr>
                    <th>Name</th>
                    <th class="count">Count</th>
                </tr>
              </thead>
            <tbody>
        </HeaderTemplate>
        <ItemTemplate>
            <tr>               
              <td class= "name"><%# Eval("Name") %></td>
              <td class= "count"><%# Eval("count") %></td>             
            </tr>

The issue i am facing is trying to retrieve data that matches a certain criteria based on 2 selectors. For instance, how would i write a jquery function to retrieve names that are "john" and have a count of 4? I am able to retrieve positions where all names that are john as follows:

 $('td').each(function () {        
         var aPos = oTable.fnGetPosition(this);
         var aData = oTable.fnGetData(aPos[0]);
         var retrievedEntry = aData[aPos[1]];

         if (retrieved开发者_开发问答Entry == "john") {
             alert($(this).html() + "found at position " + aPos);
         }
 });

I tried alert($(this).find(".count").filter(":contains("1")")); as a test but keep getting null values.

Also once the data is retrieved, how would i delete all the duplicates and jus leave one record? Your help is much appreciated.

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You can get the cells that contain "john", and then filter that result to only contain the ones that have "4" in the next element:

$('td.name:contains(john)').filter(function(){ return $(this).next().text() == '4'; })

Note: The :contains selector makes a partial match, so it would also match for example "johnny". If that is a problem, you would put that check in the filter also:

$('td.name').filter(function(){ return $(this).text() == 'john' && $(this).next().text() == '4'; })

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1) You are using double-quotes inside and outside of the selector. Consider: ':contains("1")'

2) You need to specify selectors one-by-one without spaces

'.count:contains("1")'