Selectionne les éléments pairs (index à partir de 0).
Version: disponible depuis la version 1.0 de JQuery
Valeur de retour: tableau d'éléments
$("tr:even").css("background-color", "#bbbbff");
<html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("tr:even").css("background-color", "#bbbbff");
});
</script>
<style>
table {
background:#eeeeee;
}
</style>
</head>
<body>
<table border="1">
<tr><td>Row with Index #0</td></tr>
<tr><td>Row with Index #1</td></tr>
<tr><td>Row with Index #2</td></tr>
<tr><td>Row with Index #3</td></tr>
</table>
</body>
</html>