javaScript sum table значения строки
$(function() {
$("#subtotal").html(sumColumn(4));
$("#total").html(sumColumn(5));
});
function sumColumn(index) {
var total = 0;
$("td:nth-child(" + index + ")").each(function() {
total += parseInt($(this).text(), 10) || 0;
});
return total;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<table style="border-spacing: 10px;">
<tr>
<td>ClientName</td>
<td>ItemName</td>
<td>Quantity</td>
<td>12</td>
<td>34</td>
</tr>
<tr>
<td>ClientName</td>
<td>ItemName</td>
<td>Quantity</td>
<td>56</td>
<td>78</td>
</tr>
<tr>
<td>ClientName</td>
<td>ItemName</td>
<td>Quantity</td>
<td>90</td>
<td>12</td>
</tr>
<tr>
<td colspan="3">Totals</td>
<td id="subtotal"></td>
<td id="total"></td>
</tr>
</table>
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