colors.html
<!DOCTYPE html>
<html>
<head>
<title>表格隔行换色</title>
<meta name="keywords" content="keyword1,keyword2,keyword3">
<meta name="description" content="this is my page">
<meta name="content-type" content="text/html; charset=UTF-8">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script type="text/javascript">
window.onload = function() {
//获取表格
var tblEle = document.getElementById("tbl");
//获取表格中tbody里的行数(长度)
var len = tblEle.tBodies[0].rows.length;
//alert(len);
//对tbody里面的行进行遍历
for(var i=0;i<len;i++) {
if(i%2==0) {
//对偶数行设置背景颜色
tblEle.tBodies[0].rows[i].style.backgroundColor="pink";
} else {
//对奇数行设置背景颜色
tblEle.tBodies[0].rows[i].style.backgroundColor="gold";
}
}
}
</script>
</head>
<body>
<table id="tbl" border="1px" width="500px" height="50px" align="center">
<thead>
<tr>
<th>编号</th>
<th>姓名</th>
<th>年龄</th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>张三</td>
<td>22</td>
</tr>
<tr>
<td>2</td>
<td>李四</td>
<td>25</td>
</tr>
<tr>
<td>3</td>
<td>王五</td>
<td>26</td>
</tr>
<tr>
<td>4</td>
<td>赵六</td>
<td>28</td>
</tr>
<tr>
<td>5</td>
<td>田七</td>
<td>34</td>
</tr>
<tr>
<td>6</td>
<td>大力哥</td>
<td>23</td>
</tr>
</tbody>
</table>
</body>
</html>