Calculate sum of HTML table column in JavaScript

Summing up numbers from td's of a column of an HTML table in Javascript. Td's from the first and the last rows are excluded:

HTML code:

<table>
	<tr>
		<th>United Kingdom</th>
		<th>Population</th>
	</tr>
	<tr>
		<td>England</td>
		<td>56489.800</td>
	</tr>
	<tr>
		<td>Scotland</td>
		<td>5463.300</td>
	</tr>
	<tr>
		<td>Wales</td>
		<td>3267.501</td>
	</tr>
	<tr>
		<td>Northern Ireland</td>
		<td>1903.100</td>
	</tr>
	<tr>
		<td>Total</td>
		<td></td>
	</tr>
</table>

JavaScript code:

<script>
var table = document.querySelector('table');
var lastCell = table.rows[ table.rows.length - 1 ].cells[ table.rows[ table.rows.length - 1 ].cells.length - 1 ];
var sum = 0;

for( var i = 1; i < table.rows.length - 1; i++ ){
	sum = sum + parseFloat( table.rows[ i ].cells[ 1 ].textContent );
}

lastCell.textContent = sum.toFixed( 3 );
</script>

Links

1. HTMLTableElement: rows property developer.mozilla.org/en-US/docs/Web/API/HTMLTableElement/rows
2. Number.prototype.toFixed() developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed

Browser support

Windows

Internet Explorer 9.0+

Edge 12.0+

Firefox 1.0+

Google Chrome 1.0+

Opera 12.1+

Safari 3.1+

SeaMonkey 1.0+

Linux

Firefox 1.0+

Google Chrome / Chromium

Opera 12.1+

SeaMonkey 1.0+

iOS

Safari 1.0+

Android

Samsung Internet 1.0+

Chrome 18.0+

Firefox 4.0+

Opera 12.1+

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