<td><span id="total_price[]">12</span></td>
Problemi aşağıdaki şekilde çözdüm.
$('span[id^="total_price"]').each(function(total_index) {
var count = 0;
var price = 0;
$('input[id^="product_count"]').each(function(count_index) {
if(count_index == total_index){
count = parseInt($(this).val()*1);
}
});
$('span[id^="price"]').each(function(price_index) {
if(price_index == total_index){
price = parseInt($(this).html()*1);
}
});
$(this).html(count*price.toFixed(3) + "$");
});