Jquery方法
<head>
<title></title>
<script src="jquery-1.4.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$('.table1 tr:even').css("backgroundColor", "yellow");
});
</script>
</head>
<body>
<table class="table1">
<tr>
<td>
喜洋洋
</td>
</tr>
<tr>
<td>
喜洋洋
</td>
</tr>
<tr>
<td>
喜洋洋
</td>
</tr>
<tr>
<td>
喜洋洋
</td>
</tr>
<tr>
<td>
喜洋洋
</td>
</tr>
</table>
</body>
Js操作
<script type="text/javascript">
function ChangeColor() {
var table = document.getElementById("table1");
var trs = table.getElementsByTagName("tr");
for (var i = 0; i < trs.length; i++) {
if (i % 2 == 0) {
trs[i].style.backgroundColor = "yellow";
}
}
}
</script>
