1<!doctype html>
2<html lang="en">
3<head>
4 <meta charset="utf-8">
5 <title>first demo</title>
6 <style>
7 td {
8 color: blue;
9 font-weight: bold;
10 }
11 </style>
12 <script src="https://code.jquery.com/jquery-3.5.0.js"></script>
13</head>
14<body>
15
16<table>
17 <tr><td>Row 1</td></tr>
18 <tr><td>Row 2</td></tr>
19 <tr><td>Row 3</td></tr>
20</table>
21
22<script>
23$( "tr:third" ).css( "font-style", "italic" );
24</script>
25
26</body>
27</html>
28