<html>
<head>
<style>
.a{background-color:grey;}
</style>
<script>
function tt() {
var tab = $("mytt");
var rows = tab.rows;
for(var i=0;i<rows.length;i++) {
if(i%2==0) {
rows[i].className="a";
}
}
}
function $(id) {
return document.getElementById(id);
}
window.onload=tt;
</script>
</head>
<body>
<table id="mytt" border="1">
<tr>
<td>aa</td>
<td>bb</td>
<td>cc</td>
</tr>
<tr>
<td>11</td>
<td>22</td>
<td>33</td>
</tr>
<tr>
<td>dd</td>
<td>ee</td>
<td>ff</td>
</tr>
<tr>
<td>44</td>
<td>55</td>
<td>66</td>
</tr>
</table>
</body>
</html>
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"当智者还在犹豫不决之时，平凡之人将会决定世界的命运！"
http://www.sybdqn.com/
"当智者还在犹豫不决之时，平凡之人将会决定世界的命运！"
http://www.sybdqn.com/
