<script
type="text/javascript">
function indexOf(tdds,element)
{
for (var
i = 0; i < tdds.length;
i++)
{
if (tdds[i] ==
element)
{
return
i;
}
}
}
function
InitEvent()
{
var tds
=
document.getElementsByTagName("td");
for (var i in
tds)
{
var td =
tds[i];
td.onmouseover=function()
{
var index = indexOf(tds,
this);
for (var j = 0; j <= index; j++)
{
tds[j].innerText =
"★";
}
for (var k = index + 1; k < tds.length; k++)
{
tds[k].innerText =
"☆";
}
}
}
}
</script>
</head>
<body
onload="InitEvent();">
<table>
<tr><td>☆</td><td>☆</td><td>☆</td><td>☆</td><td>☆</td></tr>
</table>
</body>
JavaScript复习--评分控件（类似于淘宝给好差平的星星）,布布扣,bubuko.com
JavaScript复习--评分控件（类似于淘宝给好差平的星星）
原文：http://www.cnblogs.com/fanshaomin/p/3601341.html