[Deff]

<script src="http://code.jquery.com/jquery-latest.js"></script>

<table id="product_table">
                    <tr class='click'>
                        <th class='name'>
                            Name
                        </th>
                        <th class="count">
                            Count
                        </th>
                        <th class='price'>
                            Price
                        </th>
                        <th class='dis_price'>
                            Discount price
                        </th>
                        <th class='discount'>
                            Discount
                        </th>
                    </tr>
                </table>

<script>
var arrTh=[]
$("#product_table .click th").each(function() {
        arrTh.push($(this).attr('class')+"="+$.trim($(this).text()));
    });
alert(arrTh.join(',\n'))
</script>