Merhabalar
$('.sec').find('input').val('');
Satırı ile selectboxda değişikliğinde value değerlerini sıfırlamak istiyorum ama sıfırlamıyor; neden olabilir?
Yardım ederseniz sevinirim. Teşekkürler.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xml:lang="en" xmlns="http://www.w3.org/1999/xhtml" lang="en">
    <head>

        <script type="text/javascript" src="//code.jquery.com/jquery-1.4.2.js"></script>
        <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.js"></script>
        
        <script type="text/javascript">
            //<![CDATA[

                $(function() {
                    $('#selector').change(function(){
                        $('.section').hide();
                        $('#' + $(this).val()).show();
                        $('.sec').find('input').val('');
                    });
                });
            //]]><
        </script>

    </head>
    <body>
        <select id="selector">
         <option value="5001-t">5001</option>
         <option value="5002-t">5002</option>
         <option value="5003-t">5003</option>
        </select>

        <form>
                
                <div id ="5001-t" style="display:inline" class="section">5001:<input type="number" class="sec" name="5001" id="5001" value="0" min="0"></div>
                <div id ="5002-t" style="display:none" class="section">5002:<input type="number" class="sec" name="5002" id="5002" value="0" min="0"></div>
                <div id ="5003-t" style="display:none" class="section">5003:<input type="number" class="sec" name="5003" id="5003" value="0" min="0"></div>
                
        </form>
    
    </body>
</html>