We would like to know how to add row to Table.
<!DOCTYPE html>
<html>
<body>
<table id="table">
<tr id="firstRow">
<td>One</td>
<td>Two</td>
</tr><!-- ww w .j a v a 2 s . c om-->
</table>
<script type='text/javascript'>
var html = "<tr><td>Three</td><td>Four</td></tr>";
var table = document.getElementById("table");
var range = document.createRange();
range.selectNodeContents(table);
var frag = range.createContextualFragment(html);
table.appendChild(frag);
</script>
</body>
</html>
The code above is rendered as follows: