slice()
by helpinspireme
HTML
<table>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
<tr>
<td>Value</td>
</tr>
</table>
JavaScript
var rows = $("table > tbody > tr");
if (rows.length > 10) {
rows.filter(":lt(5)").css("background-color", "blue")
.end()
.slice(-5).css("background-color", "red");
}