例子，jquery 评分代码。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Jquery 评分代码_www.jb200.com</title>
<style type="text/css">
#tbl{border-collapse:collapse;border-top:1px solid red;border-left:1px solid red;}
#tbl td{border-collapse:collapse;border-bottom:1px solid red;border-right:1px solid red;}
#main{width:100px;text-align:center;margin:0px auto;}
</style>
<script src="../js/jquery-1.5.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
var $tds;
var div;
var bClick = false;
$(function () {
$tds = $("#tbl td");
div = document.getElementById("main");
bClick = false;
$tds.mouseover(function () {
if (!bClick) {
var $currentTd = $(this);
$currentTd.css("backgroundColor", "green");
var $preTds = $currentTd.prevAll("td");
$preTds.css("backgroundColor", "green");
var $nextTds = $currentTd.nextAll("td");
$nextTds.css("backgroundColor", "white");
}
});
$tds.mouseout(function () {
if (!bClick) {
$tds.css("backgroundColor", "white");
}
//alert(div.innerHTML);
});
$tds.click(function () {
bClick = true;
var $currentTd = $(this);
$currentTd.css("backgroundColor", "green");
var $preTds = $currentTd.prevAll("td");
$preTds.css("backgroundColor", "green");
var $nextTds = $currentTd.nextAll("td");
$nextTds.css("backgroundColor", "white");
});
});
</script>
</head>
<body>
<div id="main">
<table id="tbl">
<tbody>
<tr>
<td>★</td>
<td>★</td>
<td>★</td>
<td>★</td>
<td>★</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>