i am creating a shopping cart in php jquery , the cart has dropdown options for weight and quantity , i need a solution that change in these dropdowns should change the total price of the product... I did it but the code changes al the columns , i need to change only the price column. any solutions?
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Sum Total for Column in jQuery </title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
$('table thead th').each(function(i) {
calculateColumn(i);
});
});
function calculateColumn(index) {
var total = 0;
$('table tr').each(function() {
var value = parseInt($('td', this).eq(index).text());
if (!isNaN(value)) {
total += value;
}
});
$('table tfoot td').eq(index).text('Total: ' + total);
}
</script>
</head>
<body>
<table id="sum_table" width="300" border="1">
<thead>
<tr>
<th>Apple</th>
<th>Orange</th>
<th>Total</th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>2</td>
<td>3</td>
</tr>
<tr>
<td>1</td>
<td>2</td>
<td>3</td>
</tr>
<tr>
<td>1</td>
<td>2</td>
<td>3</td>
</tr>
</tbody>
<tfoot>
<tr>
<td></td>
<td></td>
<td>Total:</td>
</tr>
</tfoot>
</table>
</body>
</html>