五角星评分效果

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<!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>JavaScript星级评分</title>
        <style type="text/css">
            * {
                margin: 0;
                padding: 0;
            }
             
            .wrapper {
                height: 20px;
                padding: 5px;
                width: 130px;
                margin: 100px auto 10px;
            }
             
            tr,
            td {
                font-size: 66px;
                color: #000000;
                background: #ffffff;
            }
        </style>
        <script type="text/javascript">
            function ArrayIndexOf(arr, element) {
                for(var i = 0; i < arr.length; i++) {
                    if(arr[i] == element) {
                        return i;
                    }
                }
                return -1;
            }
 
            function GetTds() {
                var tbl = document.getElementById("tblMain");
                var tds = tbl.getElementsByTagName("td");
                return tds;
            }
 
            function InitEvent() {
                var tds = GetTds();
                for(var i = 0; i < tds.length; i++) {
                    var td = tds[i];
                    td.onmouseover = TdOnclick;
                    td.style.cursor = "pointer";
 
                }
            }
 
            function TdOnclick() {
                var tds = GetTds();
                var index = ArrayIndexOf(tds, this);
                for(var i = 0; i <= index; i++) {
                    var td = tds[i];
                    td.innerHTML = "★";
                }
                for(var j = index + 1; j < tds.length; j++) {
                    var td = tds[j];
                    td.innerHTML = "☆";
                }
            }
        </script>
    </head>
 
    <body onload="InitEvent()" class="wrapper">
        <table id="tblMain">
            <tr>
                <td>☆</td>
                <td>☆</td>
                <td>☆</td>
                <td>☆</td>
                <td>☆</td>
            </tr>
        </table>
    </body>
 
</html>

　　

posted @   最骚的就是你  阅读(198)  评论(0)  编辑  收藏  举报
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